Pith Number

pith:3HWOKZ34

pith:2015:3HWOKZ345D3X6SJMONOABZMNZZ

not attested not anchored not stored refs pending

X-ray Probes of Black Hole Accretion Disks for Testing the No-Hair Theorem

Cita, Perimeter), Tim Johannsen (Waterloo

arxiv:1501.02815 v1 · 2015-01-12 · astro-ph.HE · 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{3HWOKZ345D3X6SJMONOABZMNZZ}

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	2026-05-18T01:41:11.450433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9ece5677ce8f77f492c735c00e58dce4e7a4d517dcc2d37afa3cd8d0f9b28fd

Aliases

arxiv: 1501.02815 · arxiv_version: 1501.02815v1 · doi: 10.48550/arxiv.1501.02815 · pith_short_12: 3HWOKZ345D3X · pith_short_16: 3HWOKZ345D3X6SJM · pith_short_8: 3HWOKZ34

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/3HWOKZ345D3X6SJMONOABZMNZZ \
  | 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: d9ece5677ce8f77f492c735c00e58dce4e7a4d517dcc2d37afa3cd8d0f9b28fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc0804e3ef5a064c51160098618f6ad100a94cc51f2c4e2cf9f191c4bd6ef58d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-01-12T21:01:54Z",
    "title_canon_sha256": "9cd511f1d8490a61fa5c2dfc67df9383eb7a83926e41e71828a9136e6643aed3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02815",
    "kind": "arxiv",
    "version": 1
  }
}