Pith Number

pith:VBEVQMTF

pith:2015:VBEVQMTF5FCNCEFOVP4GI77XXW

not attested not anchored not stored refs pending

Extended Hamiltonians, Coupling-Constant Metamorphosis and the Post-Winternitz System

Claudia Maria Chanu, Giovanni Rastelli, Luca Degiovanni

arxiv:1509.07288 v2 · 2015-09-24 · 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{VBEVQMTF5FCNCEFOVP4GI77XXW}

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	2026-05-18T01:26:09.494834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a849583265e944d110aeabf8647ff7bd81e3a7571e904ffea58105029c02a535

Aliases

arxiv: 1509.07288 · arxiv_version: 1509.07288v2 · doi: 10.48550/arxiv.1509.07288 · pith_short_12: VBEVQMTF5FCN · pith_short_16: VBEVQMTF5FCNCEFO · pith_short_8: VBEVQMTF

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/VBEVQMTF5FCNCEFOVP4GI77XXW \
  | 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: a849583265e944d110aeabf8647ff7bd81e3a7571e904ffea58105029c02a535

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7613f5a446db62fe4d8cfc7b1eef06e53918de04e262bee7e213c54ccc39db84",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-09-24T09:39:47Z",
    "title_canon_sha256": "52fb3b0ec7f80f30e94d383ccc9262def36349c6f1c2d1a042250af053db47d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07288",
    "kind": "arxiv",
    "version": 2
  }
}