Pith Number

pith:2MJETZLJ

pith:2019:2MJETZLJESY56VIVIHPXFOSPZJ

not attested not anchored not stored refs pending

Spectral Action in Noncommutative Geometry

Bruno Iochum, Micha{\l} Eckstein

arxiv:1902.05306 v1 · 2019-02-14 · math-ph · hep-th · math.FA · math.MP · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2MJETZLJESY56VIVIHPXFOSPZJ}

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	2026-05-17T23:54:01.286158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d31249e56924b1df551541df72ba4fca4a51498adfac700090688283e1f9ed44

Aliases

arxiv: 1902.05306 · arxiv_version: 1902.05306v1 · doi: 10.48550/arxiv.1902.05306 · pith_short_12: 2MJETZLJESY5 · pith_short_16: 2MJETZLJESY56VIV · pith_short_8: 2MJETZLJ

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/2MJETZLJESY56VIVIHPXFOSPZJ \
  | 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: d31249e56924b1df551541df72ba4fca4a51498adfac700090688283e1f9ed44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d90fceba3c65dcf940b24eb3617a4e4da7719123100436dad095b587581c83b9",
    "cross_cats_sorted": [
      "hep-th",
      "math.FA",
      "math.MP",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-02-14T11:34:20Z",
    "title_canon_sha256": "ede5188fcd3a0aa78325dfce7821fe6b81ae9e03fc0e639d7f6c1bfe4aee1a4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05306",
    "kind": "arxiv",
    "version": 1
  }
}