Pith Number

pith:RB6CFIHR

pith:2004:RB6CFIHRJH552JNUPXUQ4PVCUZ

not attested not anchored not stored refs pending

Noncommutative differential calculus for Moyal subalgebras

A. Zampini, G. Marmo, P. Vitale

arxiv:hep-th/0411223 v2 · 2004-11-24 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RB6CFIHRJH552JNUPXUQ4PVCUZ}

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	2026-05-18T04:34:54.563951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

887c22a0f149fbdd25b47de90e3ea2a67c89dabac23acd9feb7a98f1ccc352ee

Aliases

arxiv: hep-th/0411223 · arxiv_version: hep-th/0411223v2 · doi: 10.48550/arxiv.hep-th/0411223 · pith_short_12: RB6CFIHRJH55 · pith_short_16: RB6CFIHRJH552JNU · pith_short_8: RB6CFIHR

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/RB6CFIHRJH552JNUPXUQ4PVCUZ \
  | 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: 887c22a0f149fbdd25b47de90e3ea2a67c89dabac23acd9feb7a98f1ccc352ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb8a2ca8fb328b2c46bc75d11b4451c47b53fd4e085bdba3a78ab289f226e51a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-11-24T12:30:37Z",
    "title_canon_sha256": "c74f793798c2da138b4ca6b593bbf39eb481a93f4712d0835c7e3b2155a8e992"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0411223",
    "kind": "arxiv",
    "version": 2
  }
}