Pith Number

pith:N5PQ2WAE

pith:2012:N5PQ2WAELPPWAEX5PDADJQGX4Q

not attested not anchored not stored refs pending

Database Semantics

Robert E. Kent

arxiv:1209.3054 v1 · 2012-09-13 · cs.DB · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N5PQ2WAELPPWAEX5PDADJQGX4Q}

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	2026-05-18T03:45:32.898109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f5f0d58045bdf6012fd78c034c0d7e41ab42602093df08b21e6fd714d0506fc

Aliases

arxiv: 1209.3054 · arxiv_version: 1209.3054v1 · doi: 10.48550/arxiv.1209.3054 · pith_short_12: N5PQ2WAELPPW · pith_short_16: N5PQ2WAELPPWAEX5 · pith_short_8: N5PQ2WAE

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/N5PQ2WAELPPWAEX5PDADJQGX4Q \
  | 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: 6f5f0d58045bdf6012fd78c034c0d7e41ab42602093df08b21e6fd714d0506fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85aae6d483ec660aecb920f3e771c44b2efdfdc36d4e1d51e6bb4672e4c5c815",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-09-13T22:30:34Z",
    "title_canon_sha256": "ae2b6abca1b99a86cde3eff42a3dd97dcf6267e192da3437e917164a50edd6fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3054",
    "kind": "arxiv",
    "version": 1
  }
}