Pith Number

pith:RIDHTBQM

pith:2015:RIDHTBQMRUALD3KTMGJTNGBEAO

not attested not anchored not stored refs pending

Uniquely cycle-saturated graphs

Douglas B. West, Paul S. Wenger

arxiv:1504.04278 v1 · 2015-04-16 · 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{RIDHTBQMRUALD3KTMGJTNGBEAO}

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	2026-05-18T02:18:33.578864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a0679860c8d00b1ed53619336982403adfd3cfbc8a72660a030dae4327262a1

Aliases

arxiv: 1504.04278 · arxiv_version: 1504.04278v1 · doi: 10.48550/arxiv.1504.04278 · pith_short_12: RIDHTBQMRUAL · pith_short_16: RIDHTBQMRUALD3KT · pith_short_8: RIDHTBQM

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/RIDHTBQMRUALD3KTMGJTNGBEAO \
  | 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: 8a0679860c8d00b1ed53619336982403adfd3cfbc8a72660a030dae4327262a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3baf6a1efcdd7f586e5600e3b1603ea235e7cb92b30530e4e517cd6cac198dd5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-04-16T15:31:12Z",
    "title_canon_sha256": "87d0e4bb162706f5cecf8c2d2f41de9f8c06c8e91b23ad599008a5e9cbbae434"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04278",
    "kind": "arxiv",
    "version": 1
  }
}