Pith Number

pith:VHG2RNBD

pith:2011:VHG2RNBDSPV4ZYIZQ3S2GRIPAV

not attested not anchored not stored refs pending

Towards the use of the most massive black hole candidates in AGN to test the Kerr paradigm

Cosimo Bambi

arxiv:1112.4663 v2 · 2011-12-20 · 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{VHG2RNBDSPV4ZYIZQ3S2GRIPAV}

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	2026-05-18T03:58:26.162003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9cda8b42393ebcce11986e5a3450f054629c9743d0a5e3485d4a85e48a3ad64

Aliases

arxiv: 1112.4663 · arxiv_version: 1112.4663v2 · doi: 10.48550/arxiv.1112.4663 · pith_short_12: VHG2RNBDSPV4 · pith_short_16: VHG2RNBDSPV4ZYIZ · pith_short_8: VHG2RNBD

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/VHG2RNBDSPV4ZYIZQ3S2GRIPAV \
  | 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: a9cda8b42393ebcce11986e5a3450f054629c9743d0a5e3485d4a85e48a3ad64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fad135d4d8f713ec23a1838e1ad95cc3cbc764be254cfbd320bc4553fec7429",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-12-20T11:51:50Z",
    "title_canon_sha256": "b61e44e00864db14e07ead0920217c1a9fb4402059eb8cfa4a82903ccc06cc0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4663",
    "kind": "arxiv",
    "version": 2
  }
}