Pith Number

pith:HN46V6XP

pith:2004:HN46V6XPAFCSSDIK7HYAHNEEVR

not attested not anchored not stored refs pending

Extremal limit for charged and rotating 2+1-dimensional black holes and Bertotti-Robinson geometry

Jerzy Matyjasek, O. B. Zaslavskii

arxiv:gr-qc/0404090 v3 · 2004-04-21 · 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{HN46V6XPAFCSSDIK7HYAHNEEVR}

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	2026-05-18T01:39:22.584518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b79eafaef0145290d0af9f003b484ac6f168e93b15f49afa1d141a2014ee76c

Aliases

arxiv: gr-qc/0404090 · arxiv_version: gr-qc/0404090v3 · doi: 10.48550/arxiv.gr-qc/0404090 · pith_short_12: HN46V6XPAFCS · pith_short_16: HN46V6XPAFCSSDIK · pith_short_8: HN46V6XP

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/HN46V6XPAFCSSDIK7HYAHNEEVR \
  | 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: 3b79eafaef0145290d0af9f003b484ac6f168e93b15f49afa1d141a2014ee76c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ad3739f4d8f7e9e6d5df32c62da89a5a30ddeb7e4129042bfb127f3822b0f03",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-04-21T12:12:48Z",
    "title_canon_sha256": "5bd070cb47bc4121cc326dd272c8af1848f5f5bc3bc63b401ddc1e7749cadda7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0404090",
    "kind": "arxiv",
    "version": 3
  }
}