Pith Number

pith:FCIH5W32

pith:2013:FCIH5W32TKUDNSI7RWIQZW6WPD

not attested not anchored not stored refs pending

Yule-generated trees constrained by node imbalance

Anna Schlizio, Filippo Disanto, Thomas Wiehe

arxiv:1304.5875 v2 · 2013-04-22 · 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{FCIH5W32TKUDNSI7RWIQZW6WPD}

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	2026-05-18T03:16:05.970436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28907edb7a9aa836c91f8d910cdbd678cf2c43220c3a06d0092dee5cef1afcfe

Aliases

arxiv: 1304.5875 · arxiv_version: 1304.5875v2 · doi: 10.48550/arxiv.1304.5875 · pith_short_12: FCIH5W32TKUD · pith_short_16: FCIH5W32TKUDNSI7 · pith_short_8: FCIH5W32

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/FCIH5W32TKUDNSI7RWIQZW6WPD \
  | 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: 28907edb7a9aa836c91f8d910cdbd678cf2c43220c3a06d0092dee5cef1afcfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9158b67005ba4d0c40fb85010c4f02997f19290ac01cac84e8eba61d73b5bebf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2013-04-22T08:54:50Z",
    "title_canon_sha256": "e90a998d5c27d1695dc8f00b652cd2a9c29ebde8ca63e5e58e241c8cadb3774d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5875",
    "kind": "arxiv",
    "version": 2
  }
}