Pith Number

pith:RCJBDFCE

pith:2025:RCJBDFCEGSKOKJCF73XEIUWA6Y

not attested not anchored not stored refs pending

The hyperbolically symmetric black hole

L. Herrera, L. Witten

arxiv:2509.02621 v1 · 2025-09-01 · gr-qc · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RCJBDFCEGSKOKJCF73XEIUWA6Y}

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	2026-07-05T12:03:54.451180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88921194443494e52445feee4452c0f60b3d33abdd84b1369228d1d617c1789e

Aliases

arxiv: 2509.02621 · arxiv_version: 2509.02621v1 · doi: 10.48550/arxiv.2509.02621 · pith_short_12: RCJBDFCEGSKO · pith_short_16: RCJBDFCEGSKOKJCF · pith_short_8: RCJBDFCE

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/RCJBDFCEGSKOKJCF73XEIUWA6Y \
  | 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: 88921194443494e52445feee4452c0f60b3d33abdd84b1369228d1d617c1789e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86072dab0361d1d19766a69ec0ff65692ad6523817a41c282d50750da641dc31",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-09-01T08:45:32Z",
    "title_canon_sha256": "feee3943fb3c4a1596f5f9690f121824460da3979cc5b4e98ac191ac4d7c47b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.02621",
    "kind": "arxiv",
    "version": 1
  }
}