Pith Number

pith:UX7TOUXX

pith:2010:UX7TOUXXIKSWSBKYFBGXG7C37C

not attested not anchored not stored refs pending

Topological optimisation of rod-stirring devices

Jean-Luc Thiffeault, Matthew D. Finn

arxiv:1004.0639 v1 · 2010-04-05 · nlin.CD · cond-mat.soft · math.DS · math.GT · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UX7TOUXXIKSWSBKYFBGXG7C37C}

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	2026-05-18T03:12:35.458822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5ff3752f742a5690558284d737c5bf8866d6629f51105eb5db9bfc1c9cc5fb1

Aliases

arxiv: 1004.0639 · arxiv_version: 1004.0639v1 · doi: 10.48550/arxiv.1004.0639 · pith_short_12: UX7TOUXXIKSW · pith_short_16: UX7TOUXXIKSWSBKY · pith_short_8: UX7TOUXX

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/UX7TOUXXIKSWSBKYFBGXG7C37C \
  | 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: a5ff3752f742a5690558284d737c5bf8866d6629f51105eb5db9bfc1c9cc5fb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d0393069589cb5710542c88bafa16bfdd1b62540fa5211ff151c367a8de84a2",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "math.DS",
      "math.GT",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2010-04-05T14:22:16Z",
    "title_canon_sha256": "04c5477d3e1ea4c89d6aec8e53ccebf786446f4b67d9e2a497e7095c4e9f423e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0639",
    "kind": "arxiv",
    "version": 1
  }
}