Pith Number

pith:ACSRN5MP

pith:2010:ACSRN5MP4PQJXO7UTEXPDNPPLQ

not attested not anchored not stored refs pending

Non-Canonical Phase-Space Noncommutativity and the Kantowski-Sachs singularity for Black Holes

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

arxiv:1012.5523 v1 · 2010-12-26 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ACSRN5MP4PQJXO7UTEXPDNPPLQ}

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	2026-05-18T04:18:44.753052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00a516f58fe3e09bbbf4992ef1b5ef5c10d60144d7a8e2f1aeb4f0e313cdb535

Aliases

arxiv: 1012.5523 · arxiv_version: 1012.5523v1 · doi: 10.48550/arxiv.1012.5523 · pith_short_12: ACSRN5MP4PQJ · pith_short_16: ACSRN5MP4PQJXO7U · pith_short_8: ACSRN5MP

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/ACSRN5MP4PQJXO7UTEXPDNPPLQ \
  | 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: 00a516f58fe3e09bbbf4992ef1b5ef5c10d60144d7a8e2f1aeb4f0e313cdb535

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3be3c2321fc92591c8969b8295059901adb5903cd6f724e9ab1de0e0a6164cf1",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2010-12-26T15:26:35Z",
    "title_canon_sha256": "54459930d0862f8f2dc0e83fc53889297fc153a6fca964d239ae4f06a2d09b7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.5523",
    "kind": "arxiv",
    "version": 1
  }
}