Pith Number

pith:YREOAOE7

pith:2010:YREOAOE7WQXIK2B5RMBZ63VA7V

not attested not anchored not stored refs pending

Black holes in modified gravity theories

Alvaro de la Cruz-Dombriz, Antonio Dobado, Antonio L. Maroto

arxiv:1001.2454 v1 · 2010-01-14 · 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{YREOAOE7WQXIK2B5RMBZ63VA7V}

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	2026-05-18T02:33:49.731572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c448e0389fb42e85683d8b039f6ea0fd4f18ac68461c9411c1d3ec04dfac3cc4

Aliases

arxiv: 1001.2454 · arxiv_version: 1001.2454v1 · doi: 10.48550/arxiv.1001.2454 · pith_short_12: YREOAOE7WQXI · pith_short_16: YREOAOE7WQXIK2B5 · pith_short_8: YREOAOE7

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/YREOAOE7WQXIK2B5RMBZ63VA7V \
  | 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: c448e0389fb42e85683d8b039f6ea0fd4f18ac68461c9411c1d3ec04dfac3cc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae9ce5383f5ad44925959b2586d91bf06bd7cb13eca470c7d54fbbb46739e9f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-01-14T13:22:33Z",
    "title_canon_sha256": "d5636d6782db9124eb6f20c0ae240ce798243ba815a4a7b9ab46ac3d0148892c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.2454",
    "kind": "arxiv",
    "version": 1
  }
}