Pith Number

pith:5R6HCPEN

pith:2012:5R6HCPENF72MK654P6RMVO2A7J

not attested not anchored not stored refs pending

Quantum Fine-Grained Entropy

Dong-Sheng Wang

arxiv:1205.1235 v1 · 2012-05-06 · quant-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:56:11.722046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec7c713c8d2ff4c57bbc7fa2cabb40fa48c8741338011f383a3e17fda3a5ad76

Aliases

arxiv: 1205.1235 · arxiv_version: 1205.1235v1 · doi: 10.48550/arxiv.1205.1235 · pith_short_12: 5R6HCPENF72M · pith_short_16: 5R6HCPENF72MK654 · pith_short_8: 5R6HCPEN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5R6HCPENF72MK654P6RMVO2A7J \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ec7c713c8d2ff4c57bbc7fa2cabb40fa48c8741338011f383a3e17fda3a5ad76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a6a01db0870ed97d092238e879f2c621edf2790f2d32861f5a511cb42509932",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-05-06T18:37:24Z",
    "title_canon_sha256": "76e59535e50a3d4bb85bf5086e81c6b80b6e81517dda2e04dc922d186ffee170"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1235",
    "kind": "arxiv",
    "version": 1
  }
}