Pith Number

pith:43YXMFMG

pith:2012:43YXMFMGUBXYEVQ25BI3MLVT7S

not attested not anchored not stored refs pending

Noncommutative deformation of the Ward metric

Magnus Goffeng, Olaf Lechtenfeld

arxiv:1205.0020 v1 · 2012-04-30 · hep-th · math-ph · math.MP · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{43YXMFMGUBXYEVQ25BI3MLVT7S}

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	2026-05-18T03:56:36.009312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6f1761586a06f82561ae851b62eb3fcba816353b364fe72d72b35a9dd3f5759

Aliases

arxiv: 1205.0020 · arxiv_version: 1205.0020v1 · doi: 10.48550/arxiv.1205.0020 · pith_short_12: 43YXMFMGUBXY · pith_short_16: 43YXMFMGUBXYEVQ2 · pith_short_8: 43YXMFMG

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/43YXMFMGUBXYEVQ25BI3MLVT7S \
  | 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: e6f1761586a06f82561ae851b62eb3fcba816353b364fe72d72b35a9dd3f5759

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9e5d3d7d90c585511fb702be688cbc612fda86fa4d7971dd82a82465f703664",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-04-30T20:06:26Z",
    "title_canon_sha256": "48fb189bc3d6e05db270887e89be43eec8d597d89d5a077bc1d9dbecc0c72988"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0020",
    "kind": "arxiv",
    "version": 1
  }
}