Pith Number

pith:O5EE6FEW

pith:2013:O5EE6FEW53OOGM47JO3YZS7SOY

not attested not anchored not stored refs pending

Acquaintance Time of a Graph

Gilad Tsur, Igor Shinkar, Itai Benjamini

arxiv:1302.2787 v4 · 2013-02-12 · cs.CC · cs.DS · cs.SI · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5EE6FEW53OOGM47JO3YZS7SOY}

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	2026-05-18T02:56:32.813353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77484f1496eedce3339f4bb78ccbf27613bffcc0dade6c7270db679d6c9888a4

Aliases

arxiv: 1302.2787 · arxiv_version: 1302.2787v4 · doi: 10.48550/arxiv.1302.2787 · pith_short_12: O5EE6FEW53OO · pith_short_16: O5EE6FEW53OOGM47 · pith_short_8: O5EE6FEW

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/O5EE6FEW53OOGM47JO3YZS7SOY \
  | 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: 77484f1496eedce3339f4bb78ccbf27613bffcc0dade6c7270db679d6c9888a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61d103cfb4975a7d6d7bfac41efc80e8b5a42ce592a56b9fb2cbb6933af4f25d",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.SI",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-02-12T13:34:52Z",
    "title_canon_sha256": "67b7953cef005b04662e51f4c89ad580155c51a68f10da651a00df4553abc70c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2787",
    "kind": "arxiv",
    "version": 4
  }
}