Pith Number

pith:LBA4EV5U

pith:2011:LBA4EV5U7OJLL3O3DWCXZ7U7CC

not attested not anchored not stored refs pending

Spinning super-massive objects in galactic nuclei up to $a_* > 1$

Cosimo Bambi

arxiv:1101.1364 v2 · 2011-01-07 · 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{LBA4EV5U7OJLL3O3DWCXZ7U7CC}

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	2026-05-18T04:21:29.834356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5841c257b4fb92b5eddb1d857cfe9f10be034e276112495680c2338f113b51bf

Aliases

arxiv: 1101.1364 · arxiv_version: 1101.1364v2 · doi: 10.48550/arxiv.1101.1364 · pith_short_12: LBA4EV5U7OJL · pith_short_16: LBA4EV5U7OJLL3O3 · pith_short_8: LBA4EV5U

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/LBA4EV5U7OJLL3O3DWCXZ7U7CC \
  | 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: 5841c257b4fb92b5eddb1d857cfe9f10be034e276112495680c2338f113b51bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c4f727ed1c187ea589c63fd14342ae71620f1a535988cbc61bffbfa31646646",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-01-07T07:09:07Z",
    "title_canon_sha256": "b2e6ecd1d76a8746a42f65ca17c70fecebb4b467b52540a8ea643460e4c893b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1364",
    "kind": "arxiv",
    "version": 2
  }
}