pith. sign in
Pith Number

pith:RZ75HIZJ

pith:2002:RZ75HIZJ3C74ROQSPEXILY5MZW
not attested not anchored not stored refs pending

Effect of signature change in NGR

F. I. Mikhail, Gamal G. L. Nashed, M. I. Wanas

arxiv:gr-qc/0202040 v1 · 2002-02-12 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RZ75HIZJ3C74ROQSPEXILY5MZW}

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 2026-05-18T04:36:19.392403Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8e7fd3a329d8bfc8ba12792e85e3accda5a30e1876aa7699b798c2e08f7cb017

Aliases

arxiv: gr-qc/0202040 · arxiv_version: gr-qc/0202040v1 · doi: 10.48550/arxiv.gr-qc/0202040 · pith_short_12: RZ75HIZJ3C74 · pith_short_16: RZ75HIZJ3C74ROQS · pith_short_8: RZ75HIZJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RZ75HIZJ3C74ROQSPEXILY5MZW \
  | 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: 8e7fd3a329d8bfc8ba12792e85e3accda5a30e1876aa7699b798c2e08f7cb017
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3c4c9d86c6359e32391592ea063e5f2f0ca238a874f90dda91f89de1c9ee375c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-02-12T09:46:56Z",
    "title_canon_sha256": "c728cb21ccf4b83b2bf56da5aeaac4721c1db9553fe03e91aaf7d6a10a04feee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0202040",
    "kind": "arxiv",
    "version": 1
  }
}