Pith Number

pith:UEJVXSC3

pith:2013:UEJVXSC3QK6J72D56C23AVUMDB

not attested not anchored not stored refs pending

A rapidly spinning supermassive black hole at the centre of NGC 1365

B. W. Grefenstette, C. J. Hailey, Daniel Stern, D. J. Walton, E. Nardini, F. A. Harrison, F. E. Christensen, G. Risaliti, K. K. Madsen, S. E. Boggs, W. W. Craig, W. W. Zhang

arxiv:1302.7002 v1 · 2013-02-27 · 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{UEJVXSC3QK6J72D56C23AVUMDB}

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.

Cited by

1 paper in Pith

Simulation-Based Prediction of Black Hole Fe K$\alpha$ Line Profiles

Receipt and verification

First computed	2026-05-18T01:51:26.435999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1135bc85b82bc9fe87df0b5b0568c18530bfac6a6998d7853d26ee7af70f29f

Aliases

arxiv: 1302.7002 · arxiv_version: 1302.7002v1 · doi: 10.48550/arxiv.1302.7002 · pith_short_12: UEJVXSC3QK6J · pith_short_16: UEJVXSC3QK6J72D5 · pith_short_8: UEJVXSC3

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/UEJVXSC3QK6J72D56C23AVUMDB \
  | 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: a1135bc85b82bc9fe87df0b5b0568c18530bfac6a6998d7853d26ee7af70f29f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14802e9d17a4c8da624fc7e5e26dd2bae09202c5d52c6f1acf89e20ffe78a983",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-02-27T21:06:16Z",
    "title_canon_sha256": "eb424f44298397da5ead105574e37fc515b23cf072d87919829982c645c7e098"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.7002",
    "kind": "arxiv",
    "version": 1
  }
}