Pith Number

pith:V22SIFAR

pith:2015:V22SIFARNNHJCEALT2WAZUW7D6

not attested not anchored not stored refs pending

Maximal matchings in polyspiro and benzenoid chains

Taylor Short, Tomislav Do\v{s}li\'c

arxiv:1511.00590 v1 · 2015-11-02 · 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{V22SIFARNNHJCEALT2WAZUW7D6}

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	2026-05-18T01:28:11.892193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aeb52414116b4e91100b9eac0cd2df1fb173a0e048ca76d3a92b76d2ea750d92

Aliases

arxiv: 1511.00590 · arxiv_version: 1511.00590v1 · doi: 10.48550/arxiv.1511.00590 · pith_short_12: V22SIFARNNHJ · pith_short_16: V22SIFARNNHJCEAL · pith_short_8: V22SIFAR

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/V22SIFARNNHJCEALT2WAZUW7D6 \
  | 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: aeb52414116b4e91100b9eac0cd2df1fb173a0e048ca76d3a92b76d2ea750d92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cf1ee2d4f79c7692764348c7ef5a52c531de4251dd27025090f3eb9c266b31e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-11-02T17:14:13Z",
    "title_canon_sha256": "02d2028fd4adeb23dbd4759327095b81f2ee760de0037c703e13e2929af6f60a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00590",
    "kind": "arxiv",
    "version": 1
  }
}