Pith Number

pith:FJ5DJL7N

pith:2016:FJ5DJL7NSE53OGW6EMFBG337ZP

not attested not anchored not stored refs pending

Testing the Kerr black hole hypothesis: comparison between the gravitational wave and the iron line approaches

Alejandro Cardenas-Avendano, Cosimo Bambi, Jiachen Jiang

arxiv:1603.04720 v2 · 2016-03-15 · 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{FJ5DJL7NSE53OGW6EMFBG337ZP}

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	2026-05-18T01:11:04.846445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a7a34afed913bb71ade230a136f7fcbc6a8fa5ceb7d9e1eb3548dcb9c82fb4f

Aliases

arxiv: 1603.04720 · arxiv_version: 1603.04720v2 · doi: 10.48550/arxiv.1603.04720 · pith_short_12: FJ5DJL7NSE53 · pith_short_16: FJ5DJL7NSE53OGW6 · pith_short_8: FJ5DJL7N

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/FJ5DJL7NSE53OGW6EMFBG337ZP \
  | 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: 2a7a34afed913bb71ade230a136f7fcbc6a8fa5ceb7d9e1eb3548dcb9c82fb4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59df1ba91cdf5014930ad4e6a9b4cd85d9b26f0c0ea811461510aa1a2f8447b4",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-03-15T15:22:59Z",
    "title_canon_sha256": "5af6782eb9044526f3005d396cc7c8a5d15901a5529eec68e0a90b555738fa32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04720",
    "kind": "arxiv",
    "version": 2
  }
}