Pith Number

pith:3U5K46OT

pith:2013:3U5K46OTJKVZVPKLZYNN2VIKLA

not attested not anchored not stored refs pending

Tree split probabilities determine the branch lengths

Benny Chor, Mike Steel

arxiv:1310.3316 v1 · 2013-10-12 · 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{3U5K46OTJKVZVPKLZYNN2VIKLA}

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	2026-05-18T03:10:36.128639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd3aae79d34aab9abd4bce1add550a58092d4b83830a80ed4dc97d0d9ad40237

Aliases

arxiv: 1310.3316 · arxiv_version: 1310.3316v1 · doi: 10.48550/arxiv.1310.3316 · pith_short_12: 3U5K46OTJKVZ · pith_short_16: 3U5K46OTJKVZVPKL · pith_short_8: 3U5K46OT

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/3U5K46OTJKVZVPKLZYNN2VIKLA \
  | 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: dd3aae79d34aab9abd4bce1add550a58092d4b83830a80ed4dc97d0d9ad40237

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbe7ce6e812c74582768ae9ed837ceb8b4620cd0929597780408c0b70202db9a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-10-12T00:13:38Z",
    "title_canon_sha256": "96d5e548b2a33b0c400a029d2663a725ac0333c45ae70cfe5f942c02dfc46d16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3316",
    "kind": "arxiv",
    "version": 1
  }
}