Pith Number

pith:S5P43NPO

pith:2015:S5P43NPORJGLWKRH3FFMOOOHOJ

not attested not anchored not stored refs pending

Path separation by short cycles

Emanuela Fachini, G\'erard Cohen, J\'anos K\"orner

arxiv:1501.00813 v2 · 2015-01-05 · 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{S5P43NPORJGLWKRH3FFMOOOHOJ}

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	2026-05-18T01:15:38.836012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

975fcdb5ee8a4cbb2a27d94ac739c7726fe6ec822fd4d3f14836bcb0d175b0d2

Aliases

arxiv: 1501.00813 · arxiv_version: 1501.00813v2 · doi: 10.48550/arxiv.1501.00813 · pith_short_12: S5P43NPORJGL · pith_short_16: S5P43NPORJGLWKRH · pith_short_8: S5P43NPO

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/S5P43NPORJGLWKRH3FFMOOOHOJ \
  | 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: 975fcdb5ee8a4cbb2a27d94ac739c7726fe6ec822fd4d3f14836bcb0d175b0d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea5a95cd9c9bb7c639732f69e4411ef0a9d85ef95cabd35e798694c77b3cac79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-01-05T10:57:42Z",
    "title_canon_sha256": "6da4d2e22935fe2df2f726441d58bc8ad776bcd68f503af362c24b67d670bbde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00813",
    "kind": "arxiv",
    "version": 2
  }
}