Pith Number

pith:4GN677SQ

pith:2012:4GN677SQZEJ2LDHILLHE3V4OGN

not attested not anchored not stored refs pending

Noncanonical Phase-Space Noncommutative Black Holes

Catarina Bastos, Jo\~ao Prata, Nuno Dias, Orfeu Bertolami

arxiv:1202.3175 v1 · 2012-02-14 · 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{4GN677SQZEJ2LDHILLHE3V4OGN}

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	2026-05-18T01:58:28.359654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e19beffe50c913a58ce85ace4dd78e336b797cbc009300ecc4f1b9034ccbd62b

Aliases

arxiv: 1202.3175 · arxiv_version: 1202.3175v1 · doi: 10.48550/arxiv.1202.3175 · pith_short_12: 4GN677SQZEJ2 · pith_short_16: 4GN677SQZEJ2LDHI · pith_short_8: 4GN677SQ

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/4GN677SQZEJ2LDHILLHE3V4OGN \
  | 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: e19beffe50c913a58ce85ace4dd78e336b797cbc009300ecc4f1b9034ccbd62b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a2d19bd22b1f8640baae3834abbfeca53948b2eba47636984d09bcd137358a3",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-02-14T23:27:00Z",
    "title_canon_sha256": "a7b402f7ac35b23006c42206288f7cd7f1397c8d8e60c64d28c5087fa64e66b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3175",
    "kind": "arxiv",
    "version": 1
  }
}