Pith Number

pith:4YER3ATJ

pith:2026:4YER3ATJCF7SUHY5SNSK7AR3QN

not attested not anchored not stored refs pending

Global Distinctions Between New Electrovacuum and Kundt Class

H. Lu, Liang Ma

arxiv:2607.02602 v1 · 2026-07-01 · 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{4YER3ATJCF7SUHY5SNSK7AR3QN}

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	2026-07-07T00:16:02.814375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6091d8269117f2a1f1d9364af823b8355707883ad9006f26ec95bf0a2e55922

Aliases

arxiv: 2607.02602 · arxiv_version: 2607.02602v1 · doi: 10.48550/arxiv.2607.02602 · pith_short_12: 4YER3ATJCF7S · pith_short_16: 4YER3ATJCF7SUHY5 · pith_short_8: 4YER3ATJ

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/4YER3ATJCF7SUHY5SNSK7AR3QN \
  | 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: e6091d8269117f2a1f1d9364af823b8355707883ad9006f26ec95bf0a2e55922

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bacbece315fc075494084dfa347d51b2eb0f3ea393b130ce7570afda7b63f713",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-07-01T13:03:23Z",
    "title_canon_sha256": "e37e491a7c7b4c521de82c6bf294a273104154637e3cbd60ad42073d0731fea8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02602",
    "kind": "arxiv",
    "version": 1
  }
}