Pith Number

pith:P2Y4VIBK

pith:2011:P2Y4VIBKUWRAQO3QMO3LHNRCDA

not attested not anchored not stored refs pending

Evolution of the spin parameter of accreting compact objects with non-Kerr quadrupole moment

Cosimo Bambi

arxiv:1103.5135 v2 · 2011-03-26 · gr-qc · 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{P2Y4VIBKUWRAQO3QMO3LHNRCDA}

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	2026-05-18T04:22:21.761931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7eb1caa02aa5a2083b7063b6b3b622181f5d5e81a4732cf523da78004777d35c

Aliases

arxiv: 1103.5135 · arxiv_version: 1103.5135v2 · doi: 10.48550/arxiv.1103.5135 · pith_short_12: P2Y4VIBKUWRA · pith_short_16: P2Y4VIBKUWRAQO3Q · pith_short_8: P2Y4VIBK

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/P2Y4VIBKUWRAQO3QMO3LHNRCDA \
  | 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: 7eb1caa02aa5a2083b7063b6b3b622181f5d5e81a4732cf523da78004777d35c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d05e5a839f3c85b3944a8b456ded3c20064154aaf39965c4f20d6165d124e8f",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-03-26T14:45:07Z",
    "title_canon_sha256": "5d30fe9f5505707188d4c1e5cb9c62077febe21383976ba25fc142005f81581d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5135",
    "kind": "arxiv",
    "version": 2
  }
}