Pith Number

pith:Y5KKENEA

pith:2006:Y5KKENEAJBXNFYEKLUEJWHJWJA

not attested not anchored not stored refs pending

Melvin universe as a limit of the C-metric

Lenka Havrdova, Pavel Krtous

arxiv:gr-qc/0611092 v2 · 2006-11-17 · 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{Y5KKENEAJBXNFYEKLUEJWHJWJA}

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

Properties of the magnetic universe with positive cosmological constant

Receipt and verification

First computed	2026-07-04T15:16:37.951211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c754a23480486ed2e08a5d089b1d36481552197e0b965c0a2809ef542d111bdb

Aliases

arxiv: gr-qc/0611092 · arxiv_version: gr-qc/0611092v2 · doi: 10.48550/arxiv.gr-qc/0611092 · pith_short_12: Y5KKENEAJBXN · pith_short_16: Y5KKENEAJBXNFYEK · pith_short_8: Y5KKENEA

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/Y5KKENEAJBXNFYEKLUEJWHJWJA \
  | 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: c754a23480486ed2e08a5d089b1d36481552197e0b965c0a2809ef542d111bdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a4b451b81661108be8b78c148aa313742080c76ea443579cefa38031b669450",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-11-17T04:55:27Z",
    "title_canon_sha256": "ce258653a105126c109bd0f632c102589e435b31dddd2e5a8053e4c9643ef48e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0611092",
    "kind": "arxiv",
    "version": 2
  }
}