Pith Number

pith:SQ5YIQPI

pith:2012:SQ5YIQPIVPUZUZ7YXFYZXMHKAS

not attested not anchored not stored refs pending

The Origin, Evolution and Development of Bilateral Symmetry in Multicellular Organisms

Eric Werner

arxiv:1207.3289 v1 · 2012-07-13 · q-bio.TO · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQ5YIQPIVPUZUZ7YXFYZXMHKAS}

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	2026-05-18T03:51:02.774338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

943b8441e8abe99a67f8b9719bb0ea04b05f7d88c9ad93ef4f3f80102ac01db2

Aliases

arxiv: 1207.3289 · arxiv_version: 1207.3289v1 · doi: 10.48550/arxiv.1207.3289 · pith_short_12: SQ5YIQPIVPUZ · pith_short_16: SQ5YIQPIVPUZUZ7Y · pith_short_8: SQ5YIQPI

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/SQ5YIQPIVPUZUZ7YXFYZXMHKAS \
  | 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: 943b8441e8abe99a67f8b9719bb0ea04b05f7d88c9ad93ef4f3f80102ac01db2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a257811cad9fac77885ea7495c2f8f160978be30693eecb861e9119d52d0c11",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.TO",
    "submitted_at": "2012-07-13T16:06:35Z",
    "title_canon_sha256": "d9599fd6861510b6e89c1d1d3fafc6dbf19e9040834dc0377342bd0884d02e4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3289",
    "kind": "arxiv",
    "version": 1
  }
}