Pith Number

pith:LPHGOO5Q

pith:2002:LPHGOO5QTOP6YBZUKGBIQL7QZM

not attested not anchored not stored refs pending

Generalizations of pp-wave spacetimes in higher dimensions

(2) Mathematical Institute, A. Coley (1), A. Pravdov\'a (2), Halifax, N. Pelavas (1), Prague), R. Milson (1), R. Zalaletdinov (1) ((1) Dalhousie University, V. Pravda (2)

arxiv:gr-qc/0212063 v2 · 2002-12-13 · 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{LPHGOO5QTOP6YBZUKGBIQL7QZM}

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	2026-05-18T01:09:00.422747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bce673bb09b9fec07345182882ff0cb0c4c278fbbbde46df58e6fe25558015a

Aliases

arxiv: gr-qc/0212063 · arxiv_version: gr-qc/0212063v2 · doi: 10.48550/arxiv.gr-qc/0212063 · pith_short_12: LPHGOO5QTOP6 · pith_short_16: LPHGOO5QTOP6YBZU · pith_short_8: LPHGOO5Q

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/LPHGOO5QTOP6YBZUKGBIQL7QZM \
  | 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: 5bce673bb09b9fec07345182882ff0cb0c4c278fbbbde46df58e6fe25558015a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58f4c392e70bd7e1dffa5f30e5b2e8bd58c8acc2c9f695352d65ea1b2425ca88",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-12-13T22:50:42Z",
    "title_canon_sha256": "c849ff3b15cafe52350518e36148906a5c5669512f2169d6dfdc479ed0619fff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0212063",
    "kind": "arxiv",
    "version": 2
  }
}