Pith Number

pith:JYIXSUPY

pith:2009:JYIXSUPYJNES627SRMSPKKBIW5

not attested not anchored not stored refs pending

Bi-Hamiltonian representation of St\"{a}ckel systems

Maciej Blaszak

arxiv:0904.2070 v1 · 2009-04-14 · math-ph · 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{JYIXSUPYJNES627SRMSPKKBIW5}

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	2026-05-18T02:14:06.122308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e117951f84b492f6bf28b24f52828b746701df8fc940fd14b628f9ebcf89738

Aliases

arxiv: 0904.2070 · arxiv_version: 0904.2070v1 · doi: 10.48550/arxiv.0904.2070 · pith_short_12: JYIXSUPYJNES · pith_short_16: JYIXSUPYJNES627S · pith_short_8: JYIXSUPY

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/JYIXSUPYJNES627SRMSPKKBIW5 \
  | 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: 4e117951f84b492f6bf28b24f52828b746701df8fc940fd14b628f9ebcf89738

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be3f1c0f2c9df90a32d3b683e7209bb63c50cfd59ea0d3a3b9d8c46d3a37d603",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-04-14T08:07:10Z",
    "title_canon_sha256": "5dd56a764bb169d7aeeb1db8056c35ea1f7438d8010e992afeb629042c82d515"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2070",
    "kind": "arxiv",
    "version": 1
  }
}