Pith Number

pith:CXCABA6Q

pith:2007:CXCABA6QFIUMLMALDXDVFWNFNQ

not attested not anchored not stored refs pending

Parsimony via concensus

David Bryant, Trevor Bruen

arxiv:0704.0615 v5 · 2007-04-04 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CXCABA6QFIUMLMALDXDVFWNFNQ}

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	2026-05-18T03:11:47.595408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15c40083d02a28c5b00b1dc752d9a56c0fcc27a08a949870f2c3cd2623fdd821

Aliases

arxiv: 0704.0615 · arxiv_version: 0704.0615v5 · doi: 10.48550/arxiv.0704.0615 · pith_short_12: CXCABA6QFIUM · pith_short_16: CXCABA6QFIUMLMAL · pith_short_8: CXCABA6Q

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/CXCABA6QFIUMLMALDXDVFWNFNQ \
  | 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: 15c40083d02a28c5b00b1dc752d9a56c0fcc27a08a949870f2c3cd2623fdd821

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "add60a941b8cd8a57fb04e543e63c0da547abe88395d24de2b42c7349437ce48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2007-04-04T17:36:18Z",
    "title_canon_sha256": "5270b17b8826af069d333a7ad32ebbf4e5d95d91608e64bb798314f6a573d92a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.0615",
    "kind": "arxiv",
    "version": 5
  }
}