Pith Number

pith:C7ROEDHG

pith:2013:C7ROEDHG2EFFNZPMM46E64A62S

not attested not anchored not stored refs pending

Crawling scallop: Friction-based locomotion with one degree of freedom

Eric Lauga, Gregory L. Wagner

arxiv:1303.2669 v1 · 2013-03-11 · physics.bio-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{C7ROEDHG2EFFNZPMM46E64A62S}

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	2026-05-18T03:31:08.460095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17e2e20ce6d10a56e5ec673c4f701ed48acaf981e9b70b6d08e3763f860f2b4a

Aliases

arxiv: 1303.2669 · arxiv_version: 1303.2669v1 · doi: 10.48550/arxiv.1303.2669 · pith_short_12: C7ROEDHG2EFF · pith_short_16: C7ROEDHG2EFFNZPM · pith_short_8: C7ROEDHG

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/C7ROEDHG2EFFNZPMM46E64A62S \
  | 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: 17e2e20ce6d10a56e5ec673c4f701ed48acaf981e9b70b6d08e3763f860f2b4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d967531084a44b27a1b1f79668b5bb4db5e4e1c754cd732fd9d511c281a7d340",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2013-03-11T20:16:36Z",
    "title_canon_sha256": "859b1cac2d5a500eb7fc14071b3d452e3927912351a5da9f0eca887153aeda97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2669",
    "kind": "arxiv",
    "version": 1
  }
}