Pith Number

pith:ZQUK4U2U

pith:2009:ZQUK4U2U62PHCIYZEOFVT6XOUX

not attested not anchored not stored refs pending

Two-Parameter Characterization of Chromosome-Scale Recombination Rate

Jan Freudenberg, Wentian Li

arxiv:0909.2682 v1 · 2009-09-14 · q-bio.GN · q-bio.QM

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZQUK4U2U62PHCIYZEOFVT6XOUX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:26:54.180369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc28ae5354f69e712319238b59faeea5f759a81884d020c5cc9a1c5e802dcc99

Aliases

arxiv: 0909.2682 · arxiv_version: 0909.2682v1 · doi: 10.48550/arxiv.0909.2682 · pith_short_12: ZQUK4U2U62PH · pith_short_16: ZQUK4U2U62PHCIYZ · pith_short_8: ZQUK4U2U

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/ZQUK4U2U62PHCIYZEOFVT6XOUX \
  | 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: cc28ae5354f69e712319238b59faeea5f759a81884d020c5cc9a1c5e802dcc99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80473ec7628349e7cbaa223d259cb7a5a02f25ec12ea454d83345589403b78fe",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.GN",
    "submitted_at": "2009-09-14T22:26:43Z",
    "title_canon_sha256": "970e976ef314da94b605a28aeca9aff8d646f4ce461f25ba1b6c338300a998f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2682",
    "kind": "arxiv",
    "version": 1
  }
}