Pith Number

pith:5ZW73WOO

pith:1999:5ZW73WOOE4DJO2Z4X56QFDQVVI

not attested not anchored not stored refs pending

A Model of Convergent Extension in Animal Morphogenesis

James A. Glazier, Mark Zajac Gerald L. Jones

arxiv:physics/9912038 v3 · 1999-12-17 · physics.bio-ph · q-bio

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ZW73WOOE4DJO2Z4X56QFDQVVI}

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	2026-07-04T14:45:05.244107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee6dfdd9ce2706976b3cbf7d028e15aa1574f09e2d60e9abbb454f58fe1232f1

Aliases

arxiv: physics/9912038 · arxiv_version: physics/9912038v3 · doi: 10.48550/arxiv.physics/9912038 · pith_short_12: 5ZW73WOOE4DJ · pith_short_16: 5ZW73WOOE4DJO2Z4 · pith_short_8: 5ZW73WOO

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/5ZW73WOOE4DJO2Z4X56QFDQVVI \
  | 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: ee6dfdd9ce2706976b3cbf7d028e15aa1574f09e2d60e9abbb454f58fe1232f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4a47e1793a46565a4fe9d95a3987b9d3027cf96bc67d202a9c90ea5c45bfde5",
    "cross_cats_sorted": [
      "q-bio"
    ],
    "license": "",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "1999-12-17T16:53:27Z",
    "title_canon_sha256": "7ac624d55d27627e455ecdc8b163fc5943d0c927f5ce3c7047bd05d2f4bc9925"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9912038",
    "kind": "arxiv",
    "version": 3
  }
}