Pith Number

pith:4TQNL23R

pith:2025:4TQNL23RKFS4Y4IS5SWXL3XRXJ

not attested not anchored not stored refs pending

Remember when? Deciphering Ediacaran-Cambrian Metazoan behaviour and temporal memory using fossil movement paths

Brittany A. Laing, Glenn A. Brock, Luis A. Buatois, Luke C. Strotz, Lyndon Koens, M. Gabriela M\'angano, Romain Gougeon, Zoe Vestrum

arxiv:2509.02940 v1 · 2025-09-03 · physics.bio-ph · q-bio.PE · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4TQNL23RKFS4Y4IS5SWXL3XRXJ}

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	2026-07-05T12:04:00.314283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4e0d5eb715165cc7112ecad75eef1ba739ce0ccc4c542d34d449ca00b148c70

Aliases

arxiv: 2509.02940 · arxiv_version: 2509.02940v1 · doi: 10.48550/arxiv.2509.02940 · pith_short_12: 4TQNL23RKFS4 · pith_short_16: 4TQNL23RKFS4Y4IS · pith_short_8: 4TQNL23R

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/4TQNL23RKFS4Y4IS5SWXL3XRXJ \
  | 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: e4e0d5eb715165cc7112ecad75eef1ba739ce0ccc4c542d34d449ca00b148c70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4381dae56d7d4ae50c3ec0705dd5dbe30bc14bb1d55a743e13e1427e140eaf5d",
    "cross_cats_sorted": [
      "q-bio.PE",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2025-09-03T02:10:52Z",
    "title_canon_sha256": "3dea39fc90139c2f3fddca45b901a17ea276a67f1cddca988d43e9ca097d05ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.02940",
    "kind": "arxiv",
    "version": 1
  }
}