Pith Number

pith:TM67Z63L

pith:2014:TM67Z63LCYLAHVJNWW7WTJVJ3C

not attested not anchored not stored refs pending

Regular matchstick graphs

Rom Pinchasi, Sascha Kurz

arxiv:1401.4372 v1 · 2014-01-17 · 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{TM67Z63LCYLAHVJNWW7WTJVJ3C}

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	2026-05-17T23:49:44.649252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b3dfcfb6b161603d52db5bf69a6a9d8afd65a34b1c91c86f029327d74836f78

Aliases

arxiv: 1401.4372 · arxiv_version: 1401.4372v1 · doi: 10.48550/arxiv.1401.4372 · pith_short_12: TM67Z63LCYLA · pith_short_16: TM67Z63LCYLAHVJN · pith_short_8: TM67Z63L

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/TM67Z63LCYLAHVJNWW7WTJVJ3C \
  | 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: 9b3dfcfb6b161603d52db5bf69a6a9d8afd65a34b1c91c86f029327d74836f78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b04a3a1107611e130652220a67079cab60acb49448e47e91245714bfd6b9623a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-01-17T14:49:16Z",
    "title_canon_sha256": "01ba6cac168e48007d99fbd7c74078b4253844b65f29dd0087290a750fe9964d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4372",
    "kind": "arxiv",
    "version": 1
  }
}