Pith Number

pith:FLTP4S72

pith:2013:FLTP4S72TVCGOBAKUDB27EF6HM

not attested not anchored not stored refs pending

On the Topology of the double spherical pendulum

Eduardo Leandro, Manuele Santoprete, Shengda Hu

arxiv:1305.3855 v1 · 2013-05-16 · math.DS · math-ph · math.DG · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FLTP4S72TVCGOBAKUDB27EF6HM}

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	2026-05-18T03:25:33.787528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ae6fe4bfa9d4467040aa0c3af90be3b150bd62d11d19b91032018fa8f1e7780

Aliases

arxiv: 1305.3855 · arxiv_version: 1305.3855v1 · doi: 10.48550/arxiv.1305.3855 · pith_short_12: FLTP4S72TVCG · pith_short_16: FLTP4S72TVCGOBAK · pith_short_8: FLTP4S72

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/FLTP4S72TVCGOBAKUDB27EF6HM \
  | 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: 2ae6fe4bfa9d4467040aa0c3af90be3b150bd62d11d19b91032018fa8f1e7780

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9a5f8432ea3b5f8eca712b3d36b9af47c909be2824a7899ffb46d12eec4b2cb",
    "cross_cats_sorted": [
      "math-ph",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-05-16T16:10:48Z",
    "title_canon_sha256": "8397d59dd5d774f09e49b54d35789a569dee9d5480c3a92ff181f9f53b04c6a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3855",
    "kind": "arxiv",
    "version": 1
  }
}