Pith Number

pith:IP2QYWJM

pith:2020:IP2QYWJMBKHR32A2BDETBBJNDB

not attested not anchored not stored refs pending

Testing the Kerr Black Hole Hypothesis with GX 339-4 by a combined analysis of its thermal spectrum and reflection features

Ashutosh Tripathi, Askar B. Abdikamalov, Cosimo Bambi, Dimitry Ayzenberg, Menglei Zhou, Victoria Grinberg

arxiv:2010.13474 v2 · 2020-10-26 · 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{IP2QYWJMBKHR32A2BDETBBJNDB}

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.

Cited by

2 papers in Pith

Testing Black Holes with Interstellar Missions: I. Orbiting Probes

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

Receipt and verification

First computed	2026-07-05T02:09:14.003855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43f50c592c0a8f1de81a08c930852d1863541e84c1f90f25c67191b7707cd752

Aliases

arxiv: 2010.13474 · arxiv_version: 2010.13474v2 · doi: 10.48550/arxiv.2010.13474 · pith_short_12: IP2QYWJMBKHR · pith_short_16: IP2QYWJMBKHR32A2 · pith_short_8: IP2QYWJM

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/IP2QYWJMBKHR32A2BDETBBJNDB \
  | 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: 43f50c592c0a8f1de81a08c930852d1863541e84c1f90f25c67191b7707cd752

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12af78ea9871feb65f08e3c2d9801cac892712103cf2383a575b7559027a41a5",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-10-26T10:40:41Z",
    "title_canon_sha256": "d0dfdd70a4a0e1362e2c5a97ec5fb7291ae7285621b2c56e5e0ff720a62a6a28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.13474",
    "kind": "arxiv",
    "version": 2
  }
}