Pith Number

pith:DFQJTSUK

pith:2023:DFQJTSUKREI4IWUBICSRQCF5M4

not attested not anchored not stored refs pending

Impact of the returning radiation in current tests of the Kerr black hole hypothesis using X-ray reflection spectroscopy

Askar B. Abdikamalov, Cosimo Bambi, Shafqat Riaz, Temurbek Mirzaev

arxiv:2303.12581 v2 · 2023-03-22 · 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{DFQJTSUKREI4IWUBICSRQCF5M4}

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	2026-07-05T06:53:06.395288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

196099ca8a8911c45a8140a51808bd673026fe4506afd8bf390bb1bfba007c22

Aliases

arxiv: 2303.12581 · arxiv_version: 2303.12581v2 · doi: 10.48550/arxiv.2303.12581 · pith_short_12: DFQJTSUKREI4 · pith_short_16: DFQJTSUKREI4IWUB · pith_short_8: DFQJTSUK

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/DFQJTSUKREI4IWUBICSRQCF5M4 \
  | 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: 196099ca8a8911c45a8140a51808bd673026fe4506afd8bf390bb1bfba007c22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fde54b992ac23b09901768b76d7e123a8ef769de244a3bfd08ccced3f7d3692",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-03-22T14:08:58Z",
    "title_canon_sha256": "da43c953010b714af9926be71a3a838947288c0a1ec25e55c70af5038a32b07c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.12581",
    "kind": "arxiv",
    "version": 2
  }
}