Pith Number

pith:36K7O2YV

pith:2008:36K7O2YVXJB6H3HTZB42OF54DK

not attested not anchored not stored refs pending

Maximal analytic extensions of the Emparan-Reall black ring

Julien Cortier, Piotr T. Chru\'sciel

arxiv:0807.2309 v3 · 2008-07-15 · gr-qc · hep-th · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{36K7O2YVXJB6H3HTZB42OF54DK}

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	2026-05-18T03:05:08.647570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df95f76b15ba43e3ecf3c879a717bc1a93c69b6ad1f9a23f1eb470a2edf8c44b

Aliases

arxiv: 0807.2309 · arxiv_version: 0807.2309v3 · doi: 10.48550/arxiv.0807.2309 · pith_short_12: 36K7O2YVXJB6 · pith_short_16: 36K7O2YVXJB6H3HT · pith_short_8: 36K7O2YV

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/36K7O2YVXJB6H3HTZB42OF54DK \
  | 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: df95f76b15ba43e3ecf3c879a717bc1a93c69b6ad1f9a23f1eb470a2edf8c44b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5fd96979e038d6e4ba7f53c6fa983cf94f9236c5295fdab90e9ebb30672c354",
    "cross_cats_sorted": [
      "hep-th",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-07-15T06:40:59Z",
    "title_canon_sha256": "3bcaf0776dffa48777d8b06e1f25e6bcf80afb9890897b17cacc9ac2d8fd078d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.2309",
    "kind": "arxiv",
    "version": 3
  }
}