Pith Number

pith:56YFCNKO

pith:2011:56YFCNKOCYFKDB7PFNQ37C64ZX

not attested not anchored not stored refs pending

Martin's maximum revisited

Matteo Viale

arxiv:1110.1181 v2 · 2011-10-06 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{56YFCNKOCYFKDB7PFNQ37C64ZX}

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	2026-05-18T04:02:39.375214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efb051354e160aa187ef2b61bf8bdccdcdb2d770fb720726fec68ab24b708d85

Aliases

arxiv: 1110.1181 · arxiv_version: 1110.1181v2 · doi: 10.48550/arxiv.1110.1181 · pith_short_12: 56YFCNKOCYFK · pith_short_16: 56YFCNKOCYFKDB7P · pith_short_8: 56YFCNKO

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/56YFCNKOCYFKDB7PFNQ37C64ZX \
  | 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: efb051354e160aa187ef2b61bf8bdccdcdb2d770fb720726fec68ab24b708d85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7df4d3a302dac5dbebca22cfaa377d0201014815212ce401b5a4754cde8c3f0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2011-10-06T08:36:00Z",
    "title_canon_sha256": "b351ee28ed41ed767a6838624299321555a67e67b7bf8d94b85e1cb6dfc5a80e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.1181",
    "kind": "arxiv",
    "version": 2
  }
}