Pith Number

pith:HYO5LLQQ

pith:2011:HYO5LLQQPSKK3TYG6PFZV6JKHG

not attested not anchored not stored refs pending

Constraint on the quadrupole moment of super-massive black hole candidates from the estimate of the mean radiative efficiency of AGN

Cosimo Bambi

arxiv:1102.0616 v2 · 2011-02-03 · gr-qc · astro-ph.CO · 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{HYO5LLQQPSKK3TYG6PFZV6JKHG}

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	2026-05-18T04:22:29.172226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e1dd5ae107c94adcf06f3cb9af92a39b37090890e9186f4a2234b34c9846e9f

Aliases

arxiv: 1102.0616 · arxiv_version: 1102.0616v2 · doi: 10.48550/arxiv.1102.0616 · pith_short_12: HYO5LLQQPSKK · pith_short_16: HYO5LLQQPSKK3TYG · pith_short_8: HYO5LLQQ

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/HYO5LLQQPSKK3TYG6PFZV6JKHG \
  | 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: 3e1dd5ae107c94adcf06f3cb9af92a39b37090890e9186f4a2234b34c9846e9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd5063fced9a7118070dedb21609a86974f96dc8515c46b36870d8d58cb0c127",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-02-03T08:16:37Z",
    "title_canon_sha256": "184e4d3ab0f96013a8475ef8704b3072bef7f25e0efc6de331af18dabb548e53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0616",
    "kind": "arxiv",
    "version": 2
  }
}