DSSE 1M auditability proof (artifact-only)

DSSE_1M_HASHES.txt

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+772d5fcc6922a5da62b778c8471fd53d1c135fb32d4cb2f018fb8667238ca28e  data/public/synthetic/synth_1M.ndjson
+00e9f127877ece47efd816334d3ca38924b48b09ea5c08cfdd2670f53ab87f68  data/public/synthetic/synth_1M_plus_evidence.ndjson
+902aeb1a2d7cde28a442f192cf7e5e919f5ae016ebf6e5fac83c6a2e3f7d69a0  data/snapshots/synthetic/snapshot_synth_1M_base.json
+9d63024422d9de7a8158bd5049bc9562b576f52776ec2a9a4494b6c525a8f066  data/snapshots/synthetic/snapshot_synth_1M_plus_evidence.json
+53a871a1cbf7bd16d71a099805df645340239c625a74b155161e329560cda178  data/drift/synthetic/synth_1M_drift.ndjson

README.md

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----
-license: apache-2.0
----
+# DSSE — 1M Record Auditability Proof
+
+This dataset contains a minimal, verifiable evidence pack demonstrating:
+
+- Streaming analysis of 1,000,000 structured records
+- Bounded-memory snapshot generation (DSSE)
+- Evidence-driven trust change expressed as `trust_drift.v1`
+- Cryptographic hashes anchoring all artifacts
+
+## What this is
+This is **not** a benchmark.
+This is **not** a model.
+This is an **audit artifact**.
+
+It shows that large-scale training inputs can be:
+- processed in streaming mode
+- summarized into stable snapshots
+- compared across periods
+- and evaluated with signed trust drift
+
+## What is included
+- `DSSE_1M_HASHES.txt` — SHA256 anchors for all artifacts
+- `synth_1M_drift.ndjson` — signed trust drift record
+
+## What is intentionally not included
+- Raw datasets
+- Proprietary processing logic
+- Model internals
+
+This proof is meant for independent inspection and discussion.
+
+No claims are made.
+Only artifacts are provided.

synth_1M_drift.ndjson

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+{"schema": "trust_drift.v1", "dataset_id": "SYNTH-1M", "model_id": "crovia-core", "from": "2025-01", "to": "2025-02", "trust_before": 0.8, "trust_after": 1.0, "delta": 0.2, "signals": {"card_length": 102, "missing_fields_fraction": 0.0, "legal_ambiguity_level": -1.0, "receipts_fraction": 0.0}, "inputs": ["snapshot_synth_1M_base.json:902aeb1a2d7cde28a442f192cf7e5e919f5ae016ebf6e5fac83c6a2e3f7d69a0", "snapshot_synth_1M_plus_evidence.json:9d63024422d9de7a8158bd5049bc9562b576f52776ec2a9a4494b6c525a8f066"], "engine": {"method": "snapshot_metrics_v1", "dsse": "future (semantic compression)"}, "meta": {"created_at": "2025-12-16T18:26:09.462309Z"}, "signature": "933a95400f894090c80f7d9ae54f7dad2a1ab51aca20f15fc12ba745b9e17efa"}