Dataset Viewer
The dataset viewer is not available for this split.
Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code: StreamingRowsError
Exception: CastError
Message: Couldn't cast
workflow: string
version: string
steps: list<item: struct<step: int64, action: string, endpoint: string, purpose: string, algorithm: string, (... 90 chars omitted)
child 0, item: struct<step: int64, action: string, endpoint: string, purpose: string, algorithm: string, canonicali (... 78 chars omitted)
child 0, step: int64
child 1, action: string
child 2, endpoint: string
child 3, purpose: string
child 4, algorithm: string
child 5, canonicalization: string
child 6, prefix: string
child 7, normalization: string
child 8, hash_algorithm: string
_note: string
seal_id: string
signature: string
issued_at: timestamp[s]
subject: struct<input_hash: string, output_hash: string, output_length: int64>
child 0, input_hash: string
child 1, output_hash: string
child 2, output_length: int64
generator: struct<vendor: string, model: string>
child 0, vendor: string
child 1, model: string
issuer: struct<id: string, pubkey_alg: string, pubkey: string>
child 0, id: string
child 1, pubkey_alg: string
child 2, pubkey: string
to
{'seal_id': Value('string'), 'issued_at': Value('timestamp[s]'), 'issuer': {'id': Value('string'), 'pubkey_alg': Value('string'), 'pubkey': Value('string')}, 'generator': {'vendor': Value('string'), 'model': Value('string')}, 'subject': {'input_hash': Value('string'), 'output_hash': Value('string'), 'output_length': Value('int64')}, 'signature': Value('string'), '_note': Value('string')}
because column names don't match
Traceback: Traceback (most recent call last):
File "/src/services/worker/src/worker/utils.py", line 99, in get_rows_or_raise
return get_rows(
^^^^^^^^^
File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
return func(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^
File "/src/services/worker/src/worker/utils.py", line 77, in get_rows
rows_plus_one = list(itertools.islice(ds, rows_max_number + 1))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2690, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2227, in __iter__
for key, pa_table in self._iter_arrow():
^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2251, in _iter_arrow
for key, pa_table in self.ex_iterable._iter_arrow():
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 494, in _iter_arrow
for key, pa_table in iterator:
^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 384, in _iter_arrow
for key, pa_table in self.generate_tables_fn(**gen_kwags):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/packaged_modules/json/json.py", line 299, in _generate_tables
self._cast_table(pa_table, json_field_paths=json_field_paths),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/packaged_modules/json/json.py", line 128, in _cast_table
pa_table = table_cast(pa_table, self.info.features.arrow_schema)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/table.py", line 2321, in table_cast
return cast_table_to_schema(table, schema)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/table.py", line 2249, in cast_table_to_schema
raise CastError(
datasets.table.CastError: Couldn't cast
workflow: string
version: string
steps: list<item: struct<step: int64, action: string, endpoint: string, purpose: string, algorithm: string, (... 90 chars omitted)
child 0, item: struct<step: int64, action: string, endpoint: string, purpose: string, algorithm: string, canonicali (... 78 chars omitted)
child 0, step: int64
child 1, action: string
child 2, endpoint: string
child 3, purpose: string
child 4, algorithm: string
child 5, canonicalization: string
child 6, prefix: string
child 7, normalization: string
child 8, hash_algorithm: string
_note: string
seal_id: string
signature: string
issued_at: timestamp[s]
subject: struct<input_hash: string, output_hash: string, output_length: int64>
child 0, input_hash: string
child 1, output_hash: string
child 2, output_length: int64
generator: struct<vendor: string, model: string>
child 0, vendor: string
child 1, model: string
issuer: struct<id: string, pubkey_alg: string, pubkey: string>
child 0, id: string
child 1, pubkey_alg: string
child 2, pubkey: string
to
{'seal_id': Value('string'), 'issued_at': Value('timestamp[s]'), 'issuer': {'id': Value('string'), 'pubkey_alg': Value('string'), 'pubkey': Value('string')}, 'generator': {'vendor': Value('string'), 'model': Value('string')}, 'subject': {'input_hash': Value('string'), 'output_hash': Value('string'), 'output_length': Value('int64')}, 'signature': Value('string'), '_note': Value('string')}
because column names don't matchNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
Crovia Seal — Example Artifacts
This dataset contains synthetic example artifacts demonstrating the Crovia Seal cryptographic receipt format.
What is Crovia Seal
Crovia Seal is a protocol for issuing cryptographic receipts for AI-generated content. A sealed output includes:
- A canonical hash of the AI output text (SHA-256, NFC-normalized)
- A canonical hash of the input prompt
- Generator metadata (vendor, model)
- An Ed25519 signature from the Crovia trust root
- A timestamp
The seal is issued at the moment of generation and cannot be retroactively modified.
Seal format (example)
{
"seal_id": "sl_<example-id>",
"issued_at": "2026-01-01T00:00:00Z",
"issuer": {
"id": "urn:crovia:issuer:crovia-trust",
"pubkey_alg": "Ed25519",
"pubkey": "<example-pubkey>"
},
"generator": {
"vendor": "openai",
"model": "chatgpt-web"
},
"subject": {
"input_hash": "sha256:<example-hash>",
"output_hash": "sha256:<example-hash>",
"output_length": 0
},
"signature": "Ed25519:<example-signature>"
}
All values above are illustrative. Live seals can be verified at https://croviatrust.com/check.html.
Verification
curl https://seal.croviatrust.com/v1/seal/<seal_id>
The public trust root is available at:
https://seal.croviatrust.com/trust-root.json
Notes
- All examples in this dataset are synthetic
- No real user data or conversation content is included
- The public key format shown is illustrative; the canonical trust root is at
https://seal.croviatrust.com/trust-root.json
- Downloads last month
- 6