Pith Number

pith:OAB2LHNJ

pith:2004:OAB2LHNJUX7AYVLJ4L4PEQ6DFJ

not attested not anchored not stored refs pending

Projective geometry for human motion, with an application to injury risk

Henri Laurie, Rudi Penne

arxiv:q-bio/0406024 v1 · 2004-06-11 · q-bio.QM · q-bio.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OAB2LHNJUX7AYVLJ4L4PEQ6DFJ}

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	2026-07-04T14:45:11.008311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7003a59da9a5fe0c5569e2f8f243c32a40db872ec01b1d92fe104c42b428fb05

Aliases

arxiv: q-bio/0406024 · arxiv_version: q-bio/0406024v1 · doi: 10.48550/arxiv.q-bio/0406024 · pith_short_12: OAB2LHNJUX7A · pith_short_16: OAB2LHNJUX7AYVLJ · pith_short_8: OAB2LHNJ

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/OAB2LHNJUX7AYVLJ4L4PEQ6DFJ \
  | 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: 7003a59da9a5fe0c5569e2f8f243c32a40db872ec01b1d92fe104c42b428fb05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aad7fa72554769a8dfb23f1042d7dba53d796b16497c0b5c611230d2f4328039",
    "cross_cats_sorted": [
      "q-bio.OT"
    ],
    "license": "",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2004-06-11T07:29:22Z",
    "title_canon_sha256": "eb14241d2b5fe577dfc696f500db9cb8d6bc58e89e526b1fdf375925ba4c0314"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-bio/0406024",
    "kind": "arxiv",
    "version": 1
  }
}