Pith Number

pith:DHSX2FJ6

pith:2023:DHSX2FJ6E5UBMYOK5L4M4S256R

not attested not anchored not stored refs pending

Topology of light rings for extremal and non-extremal Kerr-Newman Taub-NUT black holes without $\mathbb{Z}_2$ symmetry

Shan-Ping Wu, Shao-Wen Wei

arxiv:2307.14003 v1 · 2023-07-26 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DHSX2FJ6E5UBMYOK5L4M4S256R}

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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

2 papers in Pith

Topological charge and black hole photon spheres in massive gravity

Twisted doughnuts: Thick disk torus around equatorial asymmetric black hole

Receipt and verification

First computed	2026-07-05T06:34:56.111672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19e57d153e27681661caeaf8ce4b5df46b8a66a6b4b3a54e00fa5ed60e2f3046

Aliases

arxiv: 2307.14003 · arxiv_version: 2307.14003v1 · doi: 10.48550/arxiv.2307.14003 · pith_short_12: DHSX2FJ6E5UB · pith_short_16: DHSX2FJ6E5UBMYOK · pith_short_8: DHSX2FJ6

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/DHSX2FJ6E5UBMYOK5L4M4S256R \
  | 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: 19e57d153e27681661caeaf8ce4b5df46b8a66a6b4b3a54e00fa5ed60e2f3046

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "065e1690eb6c06f4de992b940a945040d2854810ace6f8bef58bf4bdf8db1eba",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-07-26T07:32:12Z",
    "title_canon_sha256": "901adf027abf2a10fc59f04b40dac4f9a52664dd879781c6f61e550e41400591"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.14003",
    "kind": "arxiv",
    "version": 1
  }
}