Pith Number

pith:54XVM7U7

pith:2013:54XVM7U7GIUE5CP56LXAXRCJ7Z

not attested not anchored not stored refs pending

Maternal origins of developmental reproducibility

Feng Liu, Mariela D. Petkova, Thomas Gregor

arxiv:1309.6271 v1 · 2013-09-24 · q-bio.MN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{54XVM7U7GIUE5CP56LXAXRCJ7Z}

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	2026-05-18T03:12:23.274739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef2f567e9f32284e89fdf2ee0bc449fe6bc42b14d5b8a9e817eb8533e99ed928

Aliases

arxiv: 1309.6271 · arxiv_version: 1309.6271v1 · doi: 10.48550/arxiv.1309.6271 · pith_short_12: 54XVM7U7GIUE · pith_short_16: 54XVM7U7GIUE5CP5 · pith_short_8: 54XVM7U7

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/54XVM7U7GIUE5CP56LXAXRCJ7Z \
  | 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: ef2f567e9f32284e89fdf2ee0bc449fe6bc42b14d5b8a9e817eb8533e99ed928

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4264af51b397bbf98e0631645197740e0e60d71a58458a418546ede80533609a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.MN",
    "submitted_at": "2013-09-24T18:03:17Z",
    "title_canon_sha256": "74e7f5d2f4f41410cc232796dd225382e551ff36457c8721caa054f2c55ff765"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6271",
    "kind": "arxiv",
    "version": 1
  }
}