Pith Number

pith:S7BY7COE

pith:2026:S7BY7COE26TYPCPTYQFCQUXX4C

not attested not anchored not stored refs pending

Validation of graph databases against PG-Schema

Dominik Tomaszuk, Filip Murlak, Jacek Ciszewski, Jakub K{\l}os, Maxime Jakubowski

arxiv:2606.06127 v1 · 2026-06-04 · 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{S7BY7COE26TYPCPTYQFCQUXX4C}

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	2026-06-05T01:15:34.358919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97c38f89c4d7a78789f3c40a2852f7e094fd9e875bb030194001252611b56963

Aliases

arxiv: 2606.06127 · arxiv_version: 2606.06127v1 · doi: 10.48550/arxiv.2606.06127 · pith_short_12: S7BY7COE26TY · pith_short_16: S7BY7COE26TYPCPT · pith_short_8: S7BY7COE

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/S7BY7COE26TYPCPTYQFCQUXX4C \
  | 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: 97c38f89c4d7a78789f3c40a2852f7e094fd9e875bb030194001252611b56963

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44f69a0dbd013b7ed1638cf939fc6568d13d96cc587b535fe58cb872ee50dc29",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-06-04T13:15:12Z",
    "title_canon_sha256": "7c4ddab48d896986991897e9cbb962ac5e3c3bca7ec93de73c2386feb043c50d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.06127",
    "kind": "arxiv",
    "version": 1
  }
}