Pith Number

pith:55XHMS3E

pith:2025:55XHMS3EVQZGGVNHDXY3JXDEUZ

not attested not anchored not stored refs pending

Baseline: Operation-Based Evolution and Versioning of Data

Jonathan Edwards, Tomas Petricek

arxiv:2512.09762 v2 · 2025-12-10 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55XHMS3EVQZGGVNHDXY3JXDEUZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-06-19T16:11:18.280524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef6e764b64ac326355a71df1b4dc64a64afcd511429862663ba2ceb763f0e763

Aliases

arxiv: 2512.09762 · arxiv_version: 2512.09762v2 · doi: 10.48550/arxiv.2512.09762 · pith_short_12: 55XHMS3EVQZG · pith_short_16: 55XHMS3EVQZGGVNH · pith_short_8: 55XHMS3E

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/55XHMS3EVQZGGVNHDXY3JXDEUZ \
  | 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: ef6e764b64ac326355a71df1b4dc64a64afcd511429862663ba2ceb763f0e763

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c9fb2726afe9b1f0a4e108bc9063a0301c668ed626458e0698ba54fbac4bcf2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2025-12-10T15:45:17Z",
    "title_canon_sha256": "55d6b1f841ef42cd7caae75791c331e4a08b817accba728d4a087ae0e87af2ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.09762",
    "kind": "arxiv",
    "version": 2
  }
}