Pith Number

pith:KDXQQPXZ

pith:2019:KDXQQPXZLEIJPTGEJOPOGYHV5U

not attested not anchored not stored refs pending

Relativistic reflection spectra of super-spinning black holes

Ashutosh Tripathi, Askar B. Abdikamalov, Biao Zhou, Cosimo Bambi, Dimitry Ayzenberg, Menglei Zhou, Sourabh Nampalliwar

arxiv:1908.05177 v2 · 2019-08-14 · 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{KDXQQPXZLEIJPTGEJOPOGYHV5U}

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	2026-07-05T01:04:28.595442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50ef083ef9591097ccc44b9ee360f5ed14a9d5ab13c4b071065d83bd201cfec1

Aliases

arxiv: 1908.05177 · arxiv_version: 1908.05177v2 · doi: 10.48550/arxiv.1908.05177 · pith_short_12: KDXQQPXZLEIJ · pith_short_16: KDXQQPXZLEIJPTGE · pith_short_8: KDXQQPXZ

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/KDXQQPXZLEIJPTGEJOPOGYHV5U \
  | 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: 50ef083ef9591097ccc44b9ee360f5ed14a9d5ab13c4b071065d83bd201cfec1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "519c0ae30d0d65e1877b45f6fa297b2ce624725f98a5ed73167d98b28c6b2013",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-14T15:42:05Z",
    "title_canon_sha256": "e5207b506de043e3f8207c180b9afd598760f4ef0a2e6ed6edc2e8d348230ef6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05177",
    "kind": "arxiv",
    "version": 2
  }
}