Pith Number

pith:R4Q32TS3

pith:1997:R4Q32TS3H3X4IIQXZQJ2U6SFYG

not attested not anchored not stored refs pending

Ricci Collineations for type B warped space-times

J. Carot, L. A. N\'unez, U. Percoco

arxiv:gr-qc/9704063 v1 · 1997-04-23 · 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{R4Q32TS3H3X4IIQXZQJ2U6SFYG}

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	2026-05-18T01:39:19.021837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f21bd4e5b3eefc42217cc13aa7a45c1a661c767e2a0127ab87ab8bbdeeac845

Aliases

arxiv: gr-qc/9704063 · arxiv_version: gr-qc/9704063v1 · doi: 10.48550/arxiv.gr-qc/9704063 · pith_short_12: R4Q32TS3H3X4 · pith_short_16: R4Q32TS3H3X4IIQX · pith_short_8: R4Q32TS3

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/R4Q32TS3H3X4IIQXZQJ2U6SFYG \
  | 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: 8f21bd4e5b3eefc42217cc13aa7a45c1a661c767e2a0127ab87ab8bbdeeac845

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb570732976219c9038d3649ced3956593dcd38b210eb6ffc4291794347f0625",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1997-04-23T16:38:27Z",
    "title_canon_sha256": "f24d7cbb0b8518603db8b3539ab029d2bf3abe08e3543916ded24308e031b65f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9704063",
    "kind": "arxiv",
    "version": 1
  }
}