Pith Number

pith:SZZ2WTLZ

pith:2021:SZZ2WTLZWQ4VYHEEYBDJIYQ3ZS

not attested not anchored not stored refs pending

Testing the Kerr black hole hypothesis with GRS 1716-249 by combining the continuum-fitting and the iron-line methods

Askar B. Abdikamalov, Cosimo Bambi, Dimitry Ayzenberg, Honghui Liu, Menglei Zhou, Zuobin Zhang

arxiv:2106.03086 v2 · 2021-06-06 · astro-ph.HE · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SZZ2WTLZWQ4VYHEEYBDJIYQ3ZS}

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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.

Cited by

1 paper in Pith

Improved Constraints on Non-Kerr Deviations from Binary Black Hole Inspirals Using GWTC-4 Data

Receipt and verification

First computed	2026-07-05T03:48:06.403800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9673ab4d79b4395c1c84c04694621bcc98d2e8c0ceed83a1d90c422aa6788a45

Aliases

arxiv: 2106.03086 · arxiv_version: 2106.03086v2 · doi: 10.48550/arxiv.2106.03086 · pith_short_12: SZZ2WTLZWQ4V · pith_short_16: SZZ2WTLZWQ4VYHEE · pith_short_8: SZZ2WTLZ

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/SZZ2WTLZWQ4VYHEEYBDJIYQ3ZS \
  | 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: 9673ab4d79b4395c1c84c04694621bcc98d2e8c0ceed83a1d90c422aa6788a45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddd8f5b80fd9096a9d9448973afc757cd0e5f998920c81613f3c7cae4dc4243a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-06-06T10:34:33Z",
    "title_canon_sha256": "82ff57a2c6f32cd064b208f4c55dec79680cb0ea2f48c2ddba8bd610455521ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.03086",
    "kind": "arxiv",
    "version": 2
  }
}