Pith Number

pith:FET3QR3A

pith:2019:FET3QR3AXJVLTG5LEWVEHLLWBK

not attested not anchored not stored refs pending

Generalized Fitch Graphs II: Sets of Binary Relations that are explained by Edge-labeled Trees

Carsten R. Seemann, Marc Hellmuth, Peter F. Stadler

arxiv:1911.07469 v3 · 2019-11-18 · cs.DM · 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{FET3QR3AXJVLTG5LEWVEHLLWBK}

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	2026-07-05T03:23:03.895709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2927b84760ba6ab99bab25aa43ad760abb173796b47e0530dce0f6eadac6b541

Aliases

arxiv: 1911.07469 · arxiv_version: 1911.07469v3 · doi: 10.48550/arxiv.1911.07469 · pith_short_12: FET3QR3AXJVL · pith_short_16: FET3QR3AXJVLTG5L · pith_short_8: FET3QR3A

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/FET3QR3AXJVLTG5LEWVEHLLWBK \
  | 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: 2927b84760ba6ab99bab25aa43ad760abb173796b47e0530dce0f6eadac6b541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ee63348b60f5690303ee3163f372eaf80ff3129bccb358af473b85a8e12fdf0",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2019-11-18T07:41:39Z",
    "title_canon_sha256": "3f20f3cb95cabc6baf948c987c6a26fd65817040d15d80bf793637c5e2a36129"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.07469",
    "kind": "arxiv",
    "version": 3
  }
}