Pith Number

pith:VILHZWEI

pith:2000:VILHZWEIPU7KVC33P37CMBB5E5

not attested not anchored not stored refs pending

The newest release of the Ortocartan set of programs for algebraic calculations in relativity

Andrzej Krasinski (N. Copernicus Astronomical Center, College of Science, Poland), Polish Academy of Sciences, Warszawa

arxiv:gr-qc/0005081 v2 · 2000-05-18 · 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{VILHZWEIPU7KVC33P37CMBB5E5}

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	2026-05-18T01:39:24.824517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa167cd8887d3eaa8b7b7efe26043d275d4c87bffb9ba71b5ca83b8dd9181333

Aliases

arxiv: gr-qc/0005081 · arxiv_version: gr-qc/0005081v2 · doi: 10.48550/arxiv.gr-qc/0005081 · pith_short_12: VILHZWEIPU7K · pith_short_16: VILHZWEIPU7KVC33 · pith_short_8: VILHZWEI

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/VILHZWEIPU7KVC33P37CMBB5E5 \
  | 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: aa167cd8887d3eaa8b7b7efe26043d275d4c87bffb9ba71b5ca83b8dd9181333

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96227f59771b1a8bbfaab94e8a25bc48b0613e403871fe63f7b0c1b4bc4058ca",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2000-05-18T10:47:38Z",
    "title_canon_sha256": "8df3920f4d2586075fe54f176a80de240a827486804b699e4672d9c90d433663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0005081",
    "kind": "arxiv",
    "version": 2
  }
}