Pith Number

pith:CY5IYNJR

pith:2016:CY5IYNJR36FQHFZM2ZCYS5WSA3

not attested not anchored not stored refs pending

The Evolution of Sex through the Baldwin Effect

Larry Bull

arxiv:1607.00318 v15 · 2016-07-01 · cs.NE · 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{CY5IYNJR36FQHFZM2ZCYS5WSA3}

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	2026-05-18T00:43:21.072064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

163a8c3531df8b03972cd6458976d206e3e2e8965f569e685490902c58d17968

Aliases

arxiv: 1607.00318 · arxiv_version: 1607.00318v15 · doi: 10.48550/arxiv.1607.00318 · pith_short_12: CY5IYNJR36FQ · pith_short_16: CY5IYNJR36FQHFZM · pith_short_8: CY5IYNJR

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/CY5IYNJR36FQHFZM2ZCYS5WSA3 \
  | 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: 163a8c3531df8b03972cd6458976d206e3e2e8965f569e685490902c58d17968

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e87f401e48d5b6be103e0c13a2f186dd68fdd5cb56e4ca3b6f0d6179c84d674",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2016-07-01T17:02:16Z",
    "title_canon_sha256": "5d7a6e58ada399555d0186a4ed596682db4ad9c2adec725465d8a08b9868a4ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.00318",
    "kind": "arxiv",
    "version": 15
  }
}