Pith Number

pith:HFDDPECK

pith:2016:HFDDPECK3J3JIFEVNPIIZFEQCM

not attested not anchored not stored refs pending

Modified Laplace-Beltrami quantization of natural Hamiltonian systems with quadratic constants of motion

Claudia Maria Chanu, Giovanni Rastelli, Luca Degiovanni

arxiv:1608.07243 v2 · 2016-08-25 · 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{HFDDPECK3J3JIFEVNPIIZFEQCM}

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	2026-05-18T00:45:48.649790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

394637904ada769414956bd08c9490133b142fe6ff540d60248e00b10c9b4a0d

Aliases

arxiv: 1608.07243 · arxiv_version: 1608.07243v2 · doi: 10.48550/arxiv.1608.07243 · pith_short_12: HFDDPECK3J3J · pith_short_16: HFDDPECK3J3JIFEV · pith_short_8: HFDDPECK

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/HFDDPECK3J3JIFEVNPIIZFEQCM \
  | 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: 394637904ada769414956bd08c9490133b142fe6ff540d60248e00b10c9b4a0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c61310c03758ff06a9e062a751657584591e1766115fcd713bbd5c40d4de7503",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-08-25T18:30:08Z",
    "title_canon_sha256": "cff0dd5857e4dd8f4946dde50fdd176d157c812f4ebec850e0e2b719e987b429"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.07243",
    "kind": "arxiv",
    "version": 2
  }
}