Pith Number

pith:YWFEFDIS

pith:2022:YWFEFDIS2DBN75RCOTYCW6BP4T

not attested not anchored not stored refs pending

Generalized Vaidya spacetime: horizons, conformal symmetries, surface gravity and diagonalization

Dmitriy Kudryavcev, Vitalii Vertogradov

arxiv:2212.07130 v2 · 2022-12-14 · 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{YWFEFDIS2DBN75RCOTYCW6BP4T}

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.

Receipt and verification

First computed	2026-07-05T09:05:08.692060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c58a428d12d0c2dff62274f02b782fe4f7e5fe43dedfc8cb2b8ef0124df66477

Aliases

arxiv: 2212.07130 · arxiv_version: 2212.07130v2 · doi: 10.48550/arxiv.2212.07130 · pith_short_12: YWFEFDIS2DBN · pith_short_16: YWFEFDIS2DBN75RC · pith_short_8: YWFEFDIS

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/YWFEFDIS2DBN75RCOTYCW6BP4T \
  | 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: c58a428d12d0c2dff62274f02b782fe4f7e5fe43dedfc8cb2b8ef0124df66477

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ee21562ebea86b210b9bec7cebe5a36024d335690e2823dab9cf6774f91c95a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-12-14T09:36:24Z",
    "title_canon_sha256": "fd57c94d81c72022b3951fae6650514a13a8f189fc77eb3f2aba1b5c151d79a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.07130",
    "kind": "arxiv",
    "version": 2
  }
}