Pith Number

pith:U5PTY422

pith:2016:U5PTY422QVOKEVGGKMFLJ3N2TT

not attested not anchored not stored refs pending

Sequence mixed graphs

C. Dalf\'o, M.A. Fiol, N. L\'opez

arxiv:1608.02863 v2 · 2016-08-09 · 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{U5PTY422QVOKEVGGKMFLJ3N2TT}

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	2026-05-18T01:02:30.359040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a75f3c735a855ca254c6530ab4edba9cd75b7f764c1eaa38db212a91b3445f7a

Aliases

arxiv: 1608.02863 · arxiv_version: 1608.02863v2 · doi: 10.48550/arxiv.1608.02863 · pith_short_12: U5PTY422QVOK · pith_short_16: U5PTY422QVOKEVGG · pith_short_8: U5PTY422

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/U5PTY422QVOKEVGGKMFLJ3N2TT \
  | 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: a75f3c735a855ca254c6530ab4edba9cd75b7f764c1eaa38db212a91b3445f7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96f8cd2bcc27fce25c6675a75a7fd8a54f17d55b267699e183f954478bed239c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-08-09T16:50:01Z",
    "title_canon_sha256": "cad64a6f5800827808f2b8cc69442f03700f25065277a60766c6558979e9c122"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02863",
    "kind": "arxiv",
    "version": 2
  }
}