Pith Number

pith:JRKEOX7V

pith:2020:JRKEOX7VLYP2QGGSPRACFW64PJ

not attested not anchored not stored refs pending

Photon ring structure of rotating regular black holes and no-horizon spacetimes

Rahul Kumar, Sushant G. Ghosh

arxiv:2004.07501 v2 · 2020-04-16 · 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{JRKEOX7VLYP2QGGSPRACFW64PJ}

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

1 paper in Pith

Probing Kalb-Ramond gravity with charged rotating black holes: constraints from EHT observations

Receipt and verification

First computed	2026-07-05T02:25:59.946547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c54475ff55e1fa818d27c4022dbdc7a512a4f658cb4a7915df3ee7743d0be2c

Aliases

arxiv: 2004.07501 · arxiv_version: 2004.07501v2 · doi: 10.48550/arxiv.2004.07501 · pith_short_12: JRKEOX7VLYP2 · pith_short_16: JRKEOX7VLYP2QGGS · pith_short_8: JRKEOX7V

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/JRKEOX7VLYP2QGGSPRACFW64PJ \
  | 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: 4c54475ff55e1fa818d27c4022dbdc7a512a4f658cb4a7915df3ee7743d0be2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b664b5bd3f2ae5abc71f1585128c3879f698479017e3486a46a97892760a46f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-04-16T07:40:23Z",
    "title_canon_sha256": "b1fe476bb09290a3e7da1d52aead3eb893bb74951bdf3f4b81fe4b4926e8d5cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.07501",
    "kind": "arxiv",
    "version": 2
  }
}