Pith Number

pith:YYEJKPMC

pith:2023:YYEJKPMC4Z73UHIX4QUBLSX7AS

not attested not anchored not stored refs pending

Light propagation in Kerr spacetime

Pravin Kumar Dahal

arxiv:2301.08250 v2 · 2023-01-19 · gr-qc · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YYEJKPMC4Z73UHIX4QUBLSX7AS}

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

Light Deflection due to Spinoptic Effects in Parametrized and Spherically Symmetric Hairy Black Holes

Receipt and verification

First computed	2026-07-05T05:48:05.534003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c608953d82e67fba1d17e42815caff04a53324c4c39e33c9f3f3f38bffe68118

Aliases

arxiv: 2301.08250 · arxiv_version: 2301.08250v2 · doi: 10.48550/arxiv.2301.08250 · pith_short_12: YYEJKPMC4Z73 · pith_short_16: YYEJKPMC4Z73UHIX · pith_short_8: YYEJKPMC

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/YYEJKPMC4Z73UHIX4QUBLSX7AS \
  | 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: c608953d82e67fba1d17e42815caff04a53324c4c39e33c9f3f3f38bffe68118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "460edcc1c0a6691546bbeae9c9a78acc1b9d58633f73a97bc0d983cee9c790c4",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-01-19T07:10:10Z",
    "title_canon_sha256": "dd5d83fe14bbe88fad697c6129786761197c053a6a63f6976e9be090b9a69e4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.08250",
    "kind": "arxiv",
    "version": 2
  }
}