Pith Number

pith:2T42JBRM

pith:2012:2T42JBRM3BOSLMRI7VNWTLAQIV

not attested not anchored not stored refs pending

An XML-Format for Conjectures in Geometry (Work-in-Progress)

Pedro Quaresma

arxiv:1207.2511 v1 · 2012-07-10 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2T42JBRM3BOSLMRI7VNWTLAQIV}

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	2026-05-18T03:51:15.229594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4f9a4862cd85d25b228fd5b69ac10456c18caca49efdd8d9ec01be9de41d6db

Aliases

arxiv: 1207.2511 · arxiv_version: 1207.2511v1 · doi: 10.48550/arxiv.1207.2511 · pith_short_12: 2T42JBRM3BOS · pith_short_16: 2T42JBRM3BOSLMRI · pith_short_8: 2T42JBRM

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/2T42JBRM3BOSLMRI7VNWTLAQIV \
  | 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: d4f9a4862cd85d25b228fd5b69ac10456c18caca49efdd8d9ec01be9de41d6db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3664bb15bb06749846c447242e0262ba724b223c3407f7ec5b9e562d48c4c5fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2012-07-10T23:30:56Z",
    "title_canon_sha256": "8fdb7451f5748727e32998a3b2effdde1cde3c88c7a4001528f711ef669bf465"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2511",
    "kind": "arxiv",
    "version": 1
  }
}