Pith Number

pith:56C4RWLR

pith:2012:56C4RWLRFZNS2TIEZHO4EGJ7PA

not attested not anchored not stored refs pending

Optimization of two- and three-link snake-like locomotion

Fangxu Jing, Silas Alben

arxiv:1212.0062 v1 · 2012-12-01 · physics.bio-ph · math-ph · math.MP · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{56C4RWLRFZNS2TIEZHO4EGJ7PA}

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	2026-05-18T03:19:43.967493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef85c8d9712e5b2d4d04c9ddc2193f7832d406d580ecc659d826a5420a3c9ad8

Aliases

arxiv: 1212.0062 · arxiv_version: 1212.0062v1 · doi: 10.48550/arxiv.1212.0062 · pith_short_12: 56C4RWLRFZNS · pith_short_16: 56C4RWLRFZNS2TIE · pith_short_8: 56C4RWLR

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/56C4RWLRFZNS2TIEZHO4EGJ7PA \
  | 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: ef85c8d9712e5b2d4d04c9ddc2193f7832d406d580ecc659d826a5420a3c9ad8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e389d8cbf4574f4d630ad7bdd187610cbeb15e87a5c61c55df6360e9c3d4a458",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2012-12-01T04:45:53Z",
    "title_canon_sha256": "5d581fdd6a4d362e1339292e89352b74969911b2769fa979946ff667b8c3fa4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0062",
    "kind": "arxiv",
    "version": 1
  }
}