Pith Number

pith:XW5L3I4Q

pith:2012:XW5L3I4QDPFA6QOINDCDVU3TKI

not attested not anchored not stored refs pending

Noncommutative Field Theory: Numerical Analysis with the Fuzzy Disc

Bernardino Spisso, Fedele Lizzi

arxiv:1207.4998 v2 · 2012-07-20 · hep-th · 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{XW5L3I4QDPFA6QOINDCDVU3TKI}

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	2026-05-18T01:56:15.599028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdbabda3901bca0f41c868c43ad3735203943662dbb89d829fbf6c4af606d61b

Aliases

arxiv: 1207.4998 · arxiv_version: 1207.4998v2 · doi: 10.48550/arxiv.1207.4998 · pith_short_12: XW5L3I4QDPFA · pith_short_16: XW5L3I4QDPFA6QOI · pith_short_8: XW5L3I4Q

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/XW5L3I4QDPFA6QOINDCDVU3TKI \
  | 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: bdbabda3901bca0f41c868c43ad3735203943662dbb89d829fbf6c4af606d61b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef4e96ea1532cc8664ab6fec4a33719d6b7a23b37f92779742cf0fc32f37c7cf",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-07-20T16:57:42Z",
    "title_canon_sha256": "657d3f396af7f83d9ad678f1b5a440fc07e6bd6f5ea09cb6dcef64724d684cec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4998",
    "kind": "arxiv",
    "version": 2
  }
}