Pith Number

pith:T4U3ORT3

pith:2020:T4U3ORT3HCCESWIJABZP44MEFS

not attested not anchored not stored refs pending

Mathematical Formulae in Wikimedia Projects 2020

Andr\'e Greiner-Petter, Bela Gipp, Moritz Schubotz, Norman Meuschke, Olaf Teschke

arxiv:2003.09417 v2 · 2020-03-20 · cs.DL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T4U3ORT3HCCESWIJABZP44MEFS}

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	2026-07-05T01:01:03.098550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f29b7467b38844959090072fe71842c99f87fdd1587de380b6033771ad4a13e

Aliases

arxiv: 2003.09417 · arxiv_version: 2003.09417v2 · doi: 10.48550/arxiv.2003.09417 · pith_short_12: T4U3ORT3HCCE · pith_short_16: T4U3ORT3HCCESWIJ · pith_short_8: T4U3ORT3

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/T4U3ORT3HCCESWIJABZP44MEFS \
  | 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: 9f29b7467b38844959090072fe71842c99f87fdd1587de380b6033771ad4a13e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04f5f6cbbf76ae19dd62a4984a33622c9d4ef3cf41f503875f5076ceb14aeeaa",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2020-03-20T17:56:26Z",
    "title_canon_sha256": "b2d02f19d582f0fc72e93873809e426a38ed50fd4b72eccdd150167f8b8f665e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.09417",
    "kind": "arxiv",
    "version": 2
  }
}