Pith Number

pith:RQDX52TO

pith:2012:RQDX52TOXUMEJBQ7HMK4EMZEMO

not attested not anchored not stored refs pending

Variational formulation of commuting Hamiltonian flows: multi-time Lagrangian 1-forms

Yuri B. Suris (TU Berlin)

arxiv:1212.3314 v2 · 2012-12-13 · math-ph · math.MP · math.SG · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQDX52TOXUMEJBQ7HMK4EMZEMO}

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	2026-05-18T02:56:35.433992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c077eea6ebd1844861f3b15c23324639d0c64d376f7966903587f65061c9641

Aliases

arxiv: 1212.3314 · arxiv_version: 1212.3314v2 · doi: 10.48550/arxiv.1212.3314 · pith_short_12: RQDX52TOXUME · pith_short_16: RQDX52TOXUMEJBQ7 · pith_short_8: RQDX52TO

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/RQDX52TOXUMEJBQ7HMK4EMZEMO \
  | 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: 8c077eea6ebd1844861f3b15c23324639d0c64d376f7966903587f65061c9641

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d6d0ac0ac105fb0b1b6c39271c1c8308d30d0cefea48945d90835ca4cb71b14",
    "cross_cats_sorted": [
      "math.MP",
      "math.SG",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-12-13T20:48:30Z",
    "title_canon_sha256": "68b832e83a8fac4955a6da6ee08222ff768388fe39d79db3d6840ea87fa6dafc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.3314",
    "kind": "arxiv",
    "version": 2
  }
}