Pith Number

pith:C4IWBNWT

pith:2018:C4IWBNWTBYWJW4M63QWXSQUWRL

not attested not anchored not stored refs pending

Energy-optimal strokes for multi-link microswimmers: Purcell's loops and Taylor's waves reconciled

Antonio DeSimone, Fran\c{c}ois Alouges, Laetitia Giraldi, Oren Wiezel, Yizhar Or

arxiv:1801.04687 v3 · 2018-01-15 · physics.flu-dyn · cond-mat.soft · 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{C4IWBNWTBYWJW4M63QWXSQUWRL}

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	2026-05-17T23:45:41.218746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

171160b6d30e2c9b719edc2d7942968aedb33d55541c0b98dd322097e9afae93

Aliases

arxiv: 1801.04687 · arxiv_version: 1801.04687v3 · doi: 10.48550/arxiv.1801.04687 · pith_short_12: C4IWBNWTBYWJ · pith_short_16: C4IWBNWTBYWJW4M6 · pith_short_8: C4IWBNWT

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/C4IWBNWTBYWJW4M63QWXSQUWRL \
  | 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: 171160b6d30e2c9b719edc2d7942968aedb33d55541c0b98dd322097e9afae93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84af137e3fa072320b7c2502d7147561a26055ee554296e09d4ce1690f02e4fb",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-01-15T07:53:17Z",
    "title_canon_sha256": "33c7f9c138612827dd420aa515b907a38bc845d53fac61455fc3e1aa0aaaff5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04687",
    "kind": "arxiv",
    "version": 3
  }
}