Pith Number

pith:QA3IRFRX

pith:2009:QA3IRFRXUY4XC5JBV53CX7YFBM

not attested not anchored not stored refs pending

Einstein-Gauss-Bonnet metrics: black holes, black strings and a staticity theorem

B. Gouteraux, C. Bogdanos, C. Charmousis, R. Zegers

arxiv:0906.4953 v2 · 2009-06-26 · hep-th · 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{QA3IRFRXUY4XC5JBV53CX7YFBM}

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	2026-05-18T04:34:46.299932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8036889637a639717521af762bff050b16133a57b66120dba9b4c8e53ed27d75

Aliases

arxiv: 0906.4953 · arxiv_version: 0906.4953v2 · doi: 10.48550/arxiv.0906.4953 · pith_short_12: QA3IRFRXUY4X · pith_short_16: QA3IRFRXUY4XC5JB · pith_short_8: QA3IRFRX

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/QA3IRFRXUY4XC5JBV53CX7YFBM \
  | 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: 8036889637a639717521af762bff050b16133a57b66120dba9b4c8e53ed27d75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5918a156c90eae3c555a40f0e6473958d6803073d01d3ba173e136b015038a9",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-06-26T14:26:37Z",
    "title_canon_sha256": "07f44c05fb43e604a068b11c9e61bdbbf9df447542b507b33b7eddc8c4eb91b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4953",
    "kind": "arxiv",
    "version": 2
  }
}