Pith Number

pith:VZPK5CSB

pith:2023:VZPK5CSBHSOT7JLAK7SB3GGU7D

not attested not anchored not stored refs pending

General black-hole metric mimicking Schwarzschild spacetime

A. Zhidenko, R. A. Konoplya

arxiv:2303.03130 v3 · 2023-03-06 · 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{VZPK5CSBHSOT7JLAK7SB3GGU7D}

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

Testing Extended Theories of Gravity via Black Hole Photon Rings

Receipt and verification

First computed	2026-07-05T06:39:33.158310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae5eae8a413c9d3fa56057e41d98d4f8e1c8e2f99712514bcb78c3e1d6d0fbd0

Aliases

arxiv: 2303.03130 · arxiv_version: 2303.03130v3 · doi: 10.48550/arxiv.2303.03130 · pith_short_12: VZPK5CSBHSOT · pith_short_16: VZPK5CSBHSOT7JLA · pith_short_8: VZPK5CSB

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/VZPK5CSBHSOT7JLAK7SB3GGU7D \
  | 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: ae5eae8a413c9d3fa56057e41d98d4f8e1c8e2f99712514bcb78c3e1d6d0fbd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5e152390168a8041b464800aa1f1a585d6e5b3049e7f0466165ad41e276f399",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-03-06T13:47:20Z",
    "title_canon_sha256": "0715e0b1463ebb0c4f432af3eee4da4d5e5576fb5e5f6969610109ba1398f2f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.03130",
    "kind": "arxiv",
    "version": 3
  }
}