Pith Number

pith:CQA5W7VS

pith:2003:CQA5W7VSO3ENJI7AFJFSUVHISE

not attested not anchored not stored refs pending

Black holes in Godel universes and pp-waves

Akikazu Hashimoto, Eric G. Gimon

arxiv:hep-th/0304181 v1 · 2003-04-21 · 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{CQA5W7VSO3ENJI7AFJFSUVHISE}

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.

Cited by

1 paper in Pith

Causality Violating Solutions in Curvature-Squared Gravity

Receipt and verification

First computed	2026-07-04T16:41:14.359259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1401db7eb276c8d4a3e02a4b2a54e89114897a194c1dcdfa5ac80c1ae9c8f722

Aliases

arxiv: hep-th/0304181 · arxiv_version: hep-th/0304181v1 · doi: 10.48550/arxiv.hep-th/0304181 · pith_short_12: CQA5W7VSO3EN · pith_short_16: CQA5W7VSO3ENJI7A · pith_short_8: CQA5W7VS

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/CQA5W7VSO3ENJI7AFJFSUVHISE \
  | 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: 1401db7eb276c8d4a3e02a4b2a54e89114897a194c1dcdfa5ac80c1ae9c8f722

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b6ff9183af05f4873fca984d34698f6160f8f65ed2c9d7e421f0988d6c97a85",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2003-04-21T20:00:05Z",
    "title_canon_sha256": "94d4a99c5056f43f1de7948831333ade9e89daf1fbb191fa6dde35437841a6d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0304181",
    "kind": "arxiv",
    "version": 1
  }
}