Pith Number

pith:6LIIKKEJ

pith:2009:6LIIKKEJDZOARGMJAINFLNRE2O

not attested not anchored not stored refs pending

Kowalevski's analysis of the swinging Atwood's machine

Michel Capdequi Peyran\`ere (LPTA), Michel Talon (LPTHE), Olivier Babelon (LPTHE)

arxiv:0909.5574 v1 · 2009-09-30 · math-ph · hep-th · 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{6LIIKKEJDZOARGMJAINFLNRE2O}

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	2026-05-18T02:11:35.983644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2d08528891e5c089989021a55b624d3800971891911cc0ef2995d084251792e

Aliases

arxiv: 0909.5574 · arxiv_version: 0909.5574v1 · doi: 10.48550/arxiv.0909.5574 · pith_short_12: 6LIIKKEJDZOA · pith_short_16: 6LIIKKEJDZOARGMJ · pith_short_8: 6LIIKKEJ

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/6LIIKKEJDZOARGMJAINFLNRE2O \
  | 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: f2d08528891e5c089989021a55b624d3800971891911cc0ef2995d084251792e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4c270f27035ecc2dfcb0827251cbfa65a87d1284abe2ce2fc772093e6de680e",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-09-30T11:24:23Z",
    "title_canon_sha256": "d5024b6e80f5d491fc40c4ee2c0174978bab6bb09700d168aba541e4478b2637"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5574",
    "kind": "arxiv",
    "version": 1
  }
}