Pith Number

pith:O42AAOFG

pith:2010:O42AAOFGFW5OANHKXLKFYATRM6

not attested not anchored not stored refs pending

Head-on collisions of unequal mass black holes in D=5 dimensions

Carlos Herdeiro, Helvi Witek, Leonardo Gualtieri, Miguel Zilhao, Ulrich Sperhake, Vitor Cardoso

arxiv:1011.0742 v2 · 2010-11-02 · 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{O42AAOFGFW5OANHKXLKFYATRM6}

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	2026-05-18T04:28:45.365389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77340038a62dbae034eabad45c027167ba2cfa81b6ab252858272020f916c617

Aliases

arxiv: 1011.0742 · arxiv_version: 1011.0742v2 · doi: 10.48550/arxiv.1011.0742 · pith_short_12: O42AAOFGFW5O · pith_short_16: O42AAOFGFW5OANHK · pith_short_8: O42AAOFG

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/O42AAOFGFW5OANHKXLKFYATRM6 \
  | 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: 77340038a62dbae034eabad45c027167ba2cfa81b6ab252858272020f916c617

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dc55d1cb85002f2b095b9af43f7d6209987271057fee665ba76f25fb95dfc5d",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-11-02T20:03:46Z",
    "title_canon_sha256": "1a639102bc3e7923db2025a74586662fffa851ee06ce05e8957d31141d69b5db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.0742",
    "kind": "arxiv",
    "version": 2
  }
}