Pith Number

pith:O5NUBGG3

pith:2022:O5NUBGG36ES7NJL4H2P7YLZKKS

not attested not anchored not stored refs pending

Black Hole Spin Measurements Based on a Thin Disc Model with Finite Thickness I. An example study of MCG-06-30-15

Askar B. Abdikamalov, Christopher S. Reynolds, Cosimo Bambi, Jiachen Jiang

arxiv:2205.06696 v2 · 2022-05-13 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5NUBGG36ES7NJL4H2P7YLZKKS}

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	2026-07-05T04:37:38.277428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

775b4098dbf125f6a57c3e9ffc2f2a5491553a0516507711121d89aa0e0c19ee

Aliases

arxiv: 2205.06696 · arxiv_version: 2205.06696v2 · doi: 10.48550/arxiv.2205.06696 · pith_short_12: O5NUBGG36ES7 · pith_short_16: O5NUBGG36ES7NJL4 · pith_short_8: O5NUBGG3

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/O5NUBGG36ES7NJL4H2P7YLZKKS \
  | 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: 775b4098dbf125f6a57c3e9ffc2f2a5491553a0516507711121d89aa0e0c19ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "393f37375d2b43f173ac44cb9289f448aeb0ed942d14b9f62046c2d6c43da31a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-05-13T15:05:17Z",
    "title_canon_sha256": "c688603ea7d33ebde8d6ec1cf8188980429c2bd3f57cab0e9ed1107d2863be97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.06696",
    "kind": "arxiv",
    "version": 2
  }
}