Pith Number

pith:DB74Y6XV

pith:2019:DB74Y6XV4N3JAPOB6J66OGRJIW

not attested not anchored not stored refs pending

From Classical Trajectories to Quantum Commutation Relations

Florio M. Ciaglia, Giuseppe Marmo, Luca Schiavone

arxiv:1908.06790 v1 · 2019-08-19 · math-ph · math.MP · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DB74Y6XV4N3JAPOB6J66OGRJIW}

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	2026-07-04T23:58:19.380986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

187fcc7af5e376903dc1f27de71a294598e59262e4ee14a704c03ec315744af3

Aliases

arxiv: 1908.06790 · arxiv_version: 1908.06790v1 · doi: 10.48550/arxiv.1908.06790 · pith_short_12: DB74Y6XV4N3J · pith_short_16: DB74Y6XV4N3JAPOB · pith_short_8: DB74Y6XV

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/DB74Y6XV4N3JAPOB6J66OGRJIW \
  | 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: 187fcc7af5e376903dc1f27de71a294598e59262e4ee14a704c03ec315744af3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9de92d6158a633b3b30c111b027bb82a4409e175f92b9fbff88bc6572a872594",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-08-19T13:23:46Z",
    "title_canon_sha256": "4dc27e3e6ac62c8ada2cae1b224654838c1d547cbcf859160dba5738ee5d860c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06790",
    "kind": "arxiv",
    "version": 1
  }
}