pith. sign in
Pith Number

pith:HN6DIXM4

pith:1999:HN6DIXM4G7LYHCTWY3ZLPZQJOH
not attested not anchored not stored refs pending

Numerical simulations of Gowdy spacetimes on S2XS1XR

David Garfinkle

arxiv:gr-qc/9906019 v1 · 1999-06-04 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HN6DIXM4G7LYHCTWY3ZLPZQJOH}

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 2026-05-18T01:08:01.064120Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3b7c345d9c37d7838a76c6f2b7e60971ddac2a42b8cf74c7e47794220bef6157

Aliases

arxiv: gr-qc/9906019 · arxiv_version: gr-qc/9906019v1 · doi: 10.48550/arxiv.gr-qc/9906019 · pith_short_12: HN6DIXM4G7LY · pith_short_16: HN6DIXM4G7LYHCTW · pith_short_8: HN6DIXM4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HN6DIXM4G7LYHCTWY3ZLPZQJOH \
  | 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: 3b7c345d9c37d7838a76c6f2b7e60971ddac2a42b8cf74c7e47794220bef6157
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a4f3d83a6bff2b10cbb7361546639751eb93ed9b7736a458039984b572e40df4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-06-04T21:35:29Z",
    "title_canon_sha256": "94f5bc0c138bd558a76c655b80fc74fb13dfd8e54378a0f206dc1e7332731759"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9906019",
    "kind": "arxiv",
    "version": 1
  }
}