Pith Number

pith:WNSVULCN

pith:2011:WNSVULCNXSDIATDKN75WDJCJPQ

not attested not anchored not stored refs pending

Modularity, Noise and natural selection

Diogo Melo, Gabriel Marroig, Guilherme Garcia

arxiv:1112.1391 v1 · 2011-12-06 · 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{WNSVULCNXSDIATDKN75WDJCJPQ}

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	2026-05-18T03:16:19.248889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3655a2c4dbc86804c6a6ffb61a4497c3485eacc70b495ad7a660f2f80557d7a

Aliases

arxiv: 1112.1391 · arxiv_version: 1112.1391v1 · doi: 10.48550/arxiv.1112.1391 · pith_short_12: WNSVULCNXSDI · pith_short_16: WNSVULCNXSDIATDK · pith_short_8: WNSVULCN

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/WNSVULCNXSDIATDKN75WDJCJPQ \
  | 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: b3655a2c4dbc86804c6a6ffb61a4497c3485eacc70b495ad7a660f2f80557d7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "256cba705d645ef1f54d0bd71aa270f04bddab79b745ca51f5780c9bc2cbd8ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2011-12-06T20:18:04Z",
    "title_canon_sha256": "a942e56527eb0525195b9f09d399c940f522fa44aec4ae7b1bb0cc9bad3b55b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1391",
    "kind": "arxiv",
    "version": 1
  }
}