Pith Number

pith:5OK66OEP

pith:2025:5OK66OEPVNTOFX62TYWU3WAPRM

not attested not anchored not stored refs pending

Cherenkov emission by a fast-moving uncharged Schwarzschild black hole

Maxim Lyutikov (Purdue University), Sergei Khlebnikov

arxiv:2502.02811 v4 · 2025-02-05 · hep-th · astro-ph.HE · 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{5OK66OEPVNTOFX62TYWU3WAPRM}

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	2026-07-05T10:58:23.056423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb95ef388fab66e2dfda9e2d4dd80f8b0a28933071ce2eb287b03293f6460119

Aliases

arxiv: 2502.02811 · arxiv_version: 2502.02811v4 · doi: 10.48550/arxiv.2502.02811 · pith_short_12: 5OK66OEPVNTO · pith_short_16: 5OK66OEPVNTOFX62 · pith_short_8: 5OK66OEP

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/5OK66OEPVNTOFX62TYWU3WAPRM \
  | 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: eb95ef388fab66e2dfda9e2d4dd80f8b0a28933071ce2eb287b03293f6460119

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47bdfd4906675bc973def56db361a04dc1785535399d79d5e228e75062ae26c5",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2025-02-05T01:17:32Z",
    "title_canon_sha256": "840db47e3cf1c1b919418b8caf7c7028ad1c1a74b2ddc7892f62321ba6687d83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02811",
    "kind": "arxiv",
    "version": 4
  }
}