Pith Number

pith:7TQ5YWCC

pith:2017:7TQ5YWCCAKN2RFQMVQZR2MG2FY

not attested not anchored not stored refs pending

Nerves, minors, and piercing numbers

Andreas F. Holmsen, Minki Kim, Seunghun Lee

arxiv:1706.05181 v3 · 2017-06-16 · 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{7TQ5YWCCAKN2RFQMVQZR2MG2FY}

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	2026-05-17T23:41:37.402745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fce1dc5842029ba8960cac331d30da2e29b3aa8d93cec3eb03fceb264c1e9bb9

Aliases

arxiv: 1706.05181 · arxiv_version: 1706.05181v3 · doi: 10.48550/arxiv.1706.05181 · pith_short_12: 7TQ5YWCCAKN2 · pith_short_16: 7TQ5YWCCAKN2RFQM · pith_short_8: 7TQ5YWCC

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/7TQ5YWCCAKN2RFQMVQZR2MG2FY \
  | 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: fce1dc5842029ba8960cac331d30da2e29b3aa8d93cec3eb03fceb264c1e9bb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23f73e7e4e458f35990408080e3ccafaddc3da779cff2acdc52501d94ab381ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-06-16T08:35:54Z",
    "title_canon_sha256": "50c274e94ca63ac847aa165bb41f57eea550561d3fd9d89e7e82f06341c79393"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05181",
    "kind": "arxiv",
    "version": 3
  }
}