Pith Number

pith:LAW3UFA3

pith:2005:LAW3UFA3H2BAJ33VKMU4ZKDVVG

not attested not anchored not stored refs pending

Black Strings in Our World

Hiroyuki Nakano, Ken-ichi Nakao, Masahide Yamaguchi

arxiv:gr-qc/0503058 v1 · 2005-03-14 · gr-qc · astro-ph · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LAW3UFA3H2BAJ33VKMU4ZKDVVG}

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	2026-07-04T16:55:11.119429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

582dba141b3e8204ef755329cca875a9a709d3481e88b32992744ee3a111252c

Aliases

arxiv: gr-qc/0503058 · arxiv_version: gr-qc/0503058v1 · doi: 10.48550/arxiv.gr-qc/0503058 · pith_short_12: LAW3UFA3H2BA · pith_short_16: LAW3UFA3H2BAJ33V · pith_short_8: LAW3UFA3

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/LAW3UFA3H2BAJ33VKMU4ZKDVVG \
  | 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: 582dba141b3e8204ef755329cca875a9a709d3481e88b32992744ee3a111252c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ad18110ea7217e0cbc07716ad613a0ab61120277e566f8a52663aa576c7b8bb",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2005-03-14T03:45:19Z",
    "title_canon_sha256": "6f4c1b4e6eea25dbfef2292634b981d04966a0df28bd33ff2c630123ab5b7d53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0503058",
    "kind": "arxiv",
    "version": 1
  }
}