Pith Number

pith:BT4VA47C

pith:2014:BT4VA47C4BKVIVUZJ7FCNNBEFN

not attested not anchored not stored refs pending

Representing Partitions on Trees

Charles Semple, Katharina T. Huber, Taoyang Wu, Vincent Moulton

arxiv:1405.2225 v1 · 2014-05-09 · math.CO · q-bio.QM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BT4VA47C4BKVIVUZJ7FCNNBEFN}

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	2026-05-18T02:52:13.343642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cf95073e2e0555456994fca26b4242b7fa4a0860924f6512d89aa4c24010298

Aliases

arxiv: 1405.2225 · arxiv_version: 1405.2225v1 · doi: 10.48550/arxiv.1405.2225 · pith_short_12: BT4VA47C4BKV · pith_short_16: BT4VA47C4BKVIVUZ · pith_short_8: BT4VA47C

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/BT4VA47C4BKVIVUZJ7FCNNBEFN \
  | 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: 0cf95073e2e0555456994fca26b4242b7fa4a0860924f6512d89aa4c24010298

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e53ea7c9a9f6d733e91e3ef2b8bdcd2a65949f277c9e870d7630e3c77a82c24",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-05-09T13:32:43Z",
    "title_canon_sha256": "419ae8815d85a270ebc9c4df75bf0d2da6fd9e356958b09b6dd82cacc5c07b7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2225",
    "kind": "arxiv",
    "version": 1
  }
}