Pith Number

pith:K63S7Y7F

pith:2012:K63S7Y7FHLONN7XBF5EFUPDV4R

not attested not anchored not stored refs pending

Proving properties of the edge elimination polynomial using equivalent graph polynomials

Martin Trinks

arxiv:1205.2205 v1 · 2012-05-10 · 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{K63S7Y7FHLONN7XBF5EFUPDV4R}

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	2026-05-18T02:49:54.293207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57b72fe3e53adcd6fee12f485a3c75e474cdeb82b01086fb1adddf46edfa0e09

Aliases

arxiv: 1205.2205 · arxiv_version: 1205.2205v1 · doi: 10.48550/arxiv.1205.2205 · pith_short_12: K63S7Y7FHLON · pith_short_16: K63S7Y7FHLONN7XB · pith_short_8: K63S7Y7F

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/K63S7Y7FHLONN7XBF5EFUPDV4R \
  | 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: 57b72fe3e53adcd6fee12f485a3c75e474cdeb82b01086fb1adddf46edfa0e09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5356ae009c04564b7407237857c6ec314b0464dbb4f241e71c2bbd83a293b5f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-05-10T09:06:15Z",
    "title_canon_sha256": "fc2c8b074434bc173fa4bc9c66c695d6d03bcaa5289b793b54b2eb7b5d5561d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2205",
    "kind": "arxiv",
    "version": 1
  }
}