Pith Number

pith:ZY7NUEMK

pith:2010:ZY7NUEMK2FDT2B4EAPOLJK76TY

not attested not anchored not stored refs pending

Optimally swimming Stokesian robots

Aline Lefebvre, Antonio DeSimone, Beno\^it Merlet, Fran\c{c}ois Alouges, Luca Heltai

arxiv:1007.4920 v3 · 2010-07-28 · math.OC · math.DS · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZY7NUEMK2FDT2B4EAPOLJK76TY}

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	2026-05-18T02:27:29.753569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce3eda118ad1473d078403dcb4abfe9e217429bb6dd1a0d1c4d9d8492d9eb9d6

Aliases

arxiv: 1007.4920 · arxiv_version: 1007.4920v3 · doi: 10.48550/arxiv.1007.4920 · pith_short_12: ZY7NUEMK2FDT · pith_short_16: ZY7NUEMK2FDT2B4E · pith_short_8: ZY7NUEMK

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/ZY7NUEMK2FDT2B4EAPOLJK76TY \
  | 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: ce3eda118ad1473d078403dcb4abfe9e217429bb6dd1a0d1c4d9d8492d9eb9d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "244602e87c36f6ec9e5ea75d318bd5cf76df81441e37624c3773abe0d36bdbaa",
    "cross_cats_sorted": [
      "math.DS",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2010-07-28T10:30:03Z",
    "title_canon_sha256": "fe736207ad8bf06221324712c7ff9476079e2728c2b14e2de12f7b26bd29dd79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.4920",
    "kind": "arxiv",
    "version": 3
  }
}