Pith Number

pith:V5H4U23P

pith:2017:V5H4U23P5T7PFIIM2IMXY2ZGBV

not attested not anchored not stored refs pending

Light propagation in a plasma on Kerr spacetime: Separation of the Hamilton-Jacobi equation and calculation of the shadow

Oleg Yu. Tsupko, Volker Perlick

arxiv:1702.08768 v2 · 2017-02-28 · 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{V5H4U23P5T7PFIIM2IMXY2ZGBV}

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

3 papers in Pith

Investigating the interplay of the braneworld gravity and the plasma environment on the black hole shadow

Light Deflection and Greybody Bound Around a BTZ-ModMax Black Hole in Plasma Medium

A note on methods for computing the critical curve of Kerr-like black holes

Receipt and verification

First computed	2026-05-18T00:44:33.441778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af4fca6b6fecfef2a10cd2197c6b260d5b1b2cdabc89ff902b61a14513d6a7dd

Aliases

arxiv: 1702.08768 · arxiv_version: 1702.08768v2 · doi: 10.48550/arxiv.1702.08768 · pith_short_12: V5H4U23P5T7P · pith_short_16: V5H4U23P5T7PFIIM · pith_short_8: V5H4U23P

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/V5H4U23P5T7PFIIM2IMXY2ZGBV \
  | 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: af4fca6b6fecfef2a10cd2197c6b260d5b1b2cdabc89ff902b61a14513d6a7dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "996e0c5b8daaf32d291ca5eaa96592d44a3c60af3469cbdc046dbbbd0104cca5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-02-28T12:48:52Z",
    "title_canon_sha256": "56d6d1ecdce19be20888def70a7dff2ab4bae8c78dbc91dfe00834a0d1163d6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08768",
    "kind": "arxiv",
    "version": 2
  }
}