Pith Number

pith:TRL6ZVDW

pith:2014:TRL6ZVDWTSDRIMVAK5563W23HE

not attested not anchored not stored refs pending

3-regular matchstick graphs with given girth

Giuseppe Mazzuoccolo, Sascha Kurz

arxiv:1401.4360 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{TRL6ZVDWTSDRIMVAK5563W23HE}

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	2026-05-18T03:01:55.218446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c57ecd4769c871432a0577beddb5b3938856453d28c7bb9a8894ff56ad29b52

Aliases

arxiv: 1401.4360 · arxiv_version: 1401.4360v1 · doi: 10.48550/arxiv.1401.4360 · pith_short_12: TRL6ZVDWTSDR · pith_short_16: TRL6ZVDWTSDRIMVA · pith_short_8: TRL6ZVDW

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/TRL6ZVDWTSDRIMVAK5563W23HE \
  | 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: 9c57ecd4769c871432a0577beddb5b3938856453d28c7bb9a8894ff56ad29b52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e23c73a102f01b4e0dbd093cce01a0a95dfed7bed667fc264c573474bce046d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-01-17T14:30:11Z",
    "title_canon_sha256": "9c27b2b4f5aee9c436250d41514ddf3b30bd7544546ff65c301312f721050cae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4360",
    "kind": "arxiv",
    "version": 1
  }
}