Pith Number

pith:FR5WYZNH

pith:2012:FR5WYZNHRPFBHCUXFQWIEDJJM6

not attested not anchored not stored refs pending

Schwarzschild generalized black hole horizon and the embedding space

J. M. Hoff da Silva, Roldao da Rocha

arxiv:1212.2588 v1 · 2012-12-11 · gr-qc · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FR5WYZNHRPFBHCUXFQWIEDJJM6}

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	2026-05-18T03:38:13.689990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c7b6c65a78bca138a972c2c820d29679828dc79d98021d01dcff463b7d27aae

Aliases

arxiv: 1212.2588 · arxiv_version: 1212.2588v1 · doi: 10.48550/arxiv.1212.2588 · pith_short_12: FR5WYZNHRPFB · pith_short_16: FR5WYZNHRPFBHCUX · pith_short_8: FR5WYZNH

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/FR5WYZNHRPFBHCUXFQWIEDJJM6 \
  | 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: 2c7b6c65a78bca138a972c2c820d29679828dc79d98021d01dcff463b7d27aae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6e21c439fbc7eb64dd8ae2ce7153eb7ec9f745d69c2244e864bac8228cece79",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-12-11T19:00:28Z",
    "title_canon_sha256": "075c0aa0502669bac012eba17369ff43a8e088dc78b8fc25f49bb27d15d27f42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2588",
    "kind": "arxiv",
    "version": 1
  }
}