Pith Number

pith:3YKEWMSN

pith:2004:3YKEWMSN53X7TF3SLJK5AG7HZF

not attested not anchored not stored refs pending

A microscopic model of evolution of recombination

Carlo Guardiani, Franco Bagnoli

arxiv:q-bio/0408020 v1 · 2004-08-25 · 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{3YKEWMSN53X7TF3SLJK5AG7HZF}

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	2026-07-04T14:48:03.470449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de144b324deeeff997725a55d01be7c9589da5193ac786b95fd0aef8f48e7103

Aliases

arxiv: q-bio/0408020 · arxiv_version: q-bio/0408020v1 · doi: 10.48550/arxiv.q-bio/0408020 · pith_short_12: 3YKEWMSN53X7 · pith_short_16: 3YKEWMSN53X7TF3S · pith_short_8: 3YKEWMSN

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/3YKEWMSN53X7TF3SLJK5AG7HZF \
  | 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: de144b324deeeff997725a55d01be7c9589da5193ac786b95fd0aef8f48e7103

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49da14ce7f6610bd2fa007597b06dda99de647c094ce873a1438b2df2b59b306",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2004-08-25T10:44:22Z",
    "title_canon_sha256": "3f21b24b19f309c22ceef0204b88c6c404db2efb359e1be4b698a583bf237fb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-bio/0408020",
    "kind": "arxiv",
    "version": 1
  }
}