Pith Number

pith:4IK2F2ST

pith:2011:4IK2F2STGL6LL7LIJPMRZD3MVV

not attested not anchored not stored refs pending

A rigorous proof of the scallop theorem and a finite mass effect of a microswimmer

Kenta Ishimoto, Michio Yamada

arxiv:1107.5938 v1 · 2011-07-29 · physics.flu-dyn · 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{4IK2F2STGL6LL7LIJPMRZD3MVV}

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	2026-05-18T04:16:40.175998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e215a2ea5332fcb5fd684bd91c8f6cad7573cbb409db39e116816cba3f9737ee

Aliases

arxiv: 1107.5938 · arxiv_version: 1107.5938v1 · doi: 10.48550/arxiv.1107.5938 · pith_short_12: 4IK2F2STGL6L · pith_short_16: 4IK2F2STGL6LL7LI · pith_short_8: 4IK2F2ST

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/4IK2F2STGL6LL7LIJPMRZD3MVV \
  | 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: e215a2ea5332fcb5fd684bd91c8f6cad7573cbb409db39e116816cba3f9737ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5858c6ea772d9a02cb8839e9b3d5a931be909f9099c94bd45942741e7c30f51",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2011-07-29T11:24:33Z",
    "title_canon_sha256": "02c9716b01a9ee23d3c4a098f4ae527c96a9cb5f88461c556731add3a0db1e1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5938",
    "kind": "arxiv",
    "version": 1
  }
}