Pith Number

pith:52AYR5KU

pith:2016:52AYR5KUJZ2X5JZ4SD4ADZHS5I

not attested not anchored not stored refs pending

Regular Black Holes and Noncommutative Geometry Inspired Fuzzy Sources

Shinpei Kobayashi

arxiv:1603.09248 v2 · 2016-03-30 · 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{52AYR5KUJZ2X5JZ4SD4ADZHS5I}

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	2026-05-18T01:14:52.316128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee8188f5544e757ea73c90f801e4f2ea330208e54fdde180eaec8b5adbe0b938

Aliases

arxiv: 1603.09248 · arxiv_version: 1603.09248v2 · doi: 10.48550/arxiv.1603.09248 · pith_short_12: 52AYR5KUJZ2X · pith_short_16: 52AYR5KUJZ2X5JZ4 · pith_short_8: 52AYR5KU

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/52AYR5KUJZ2X5JZ4SD4ADZHS5I \
  | 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: ee8188f5544e757ea73c90f801e4f2ea330208e54fdde180eaec8b5adbe0b938

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31b0910c34a53969b78b13e26e1855a99cdda06ddc2e2819ad9ea5bd39cf0074",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-03-30T15:36:06Z",
    "title_canon_sha256": "bd37bdb6c84d4088b0e2fa3c0d5466b65b996242cfa83bb120fb426477423c00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09248",
    "kind": "arxiv",
    "version": 2
  }
}