Pith Number

pith:NJDIAVTP

pith:2010:NJDIAVTP5CVMGNDVUZE3APHHP2

not attested not anchored not stored refs pending

Noncommutative Black Holes

C. Bastos, J. N. Prata, N.C. Dias, O. Bertolami

arxiv:1012.1822 v1 · 2010-12-08 · gr-qc · 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{NJDIAVTP5CVMGNDVUZE3APHHP2}

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	2026-05-18T02:04:31.538903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a4680566fe8aac33475a649b03ce77ea87222ac6f5710d78acc1e5dc8495f27

Aliases

arxiv: 1012.1822 · arxiv_version: 1012.1822v1 · doi: 10.48550/arxiv.1012.1822 · pith_short_12: NJDIAVTP5CVM · pith_short_16: NJDIAVTP5CVMGNDV · pith_short_8: NJDIAVTP

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/NJDIAVTP5CVMGNDVUZE3APHHP2 \
  | 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: 6a4680566fe8aac33475a649b03ce77ea87222ac6f5710d78acc1e5dc8495f27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d17e545816d13c8a6b60aefa53b198504b39c73c41a9f92aab4ddbd77c442b0",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-12-08T18:40:00Z",
    "title_canon_sha256": "1b36ebcf800df0d81a98eab44f7a287dd81af8d115b0041601d5381b2a414589"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1822",
    "kind": "arxiv",
    "version": 1
  }
}