Pith Number

pith:6VSZKWH6

pith:2004:6VSZKWH63KMRGO7NC4I4AJFIPI

not attested not anchored not stored refs pending

Non-Riemannian geometry of vortex acoustics

L.C. Garcia de Andrade

arxiv:gr-qc/0405062 v2 · 2004-05-12 · 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{6VSZKWH63KMRGO7NC4I4AJFIPI}

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	2026-05-18T02:37:30.102763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5659558feda99133bed1711c024a87a35c93806e1c620754d2549ea5d8311a1

Aliases

arxiv: gr-qc/0405062 · arxiv_version: gr-qc/0405062v2 · doi: 10.48550/arxiv.gr-qc/0405062 · pith_short_12: 6VSZKWH63KMR · pith_short_16: 6VSZKWH63KMRGO7N · pith_short_8: 6VSZKWH6

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/6VSZKWH63KMRGO7NC4I4AJFIPI \
  | 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: f5659558feda99133bed1711c024a87a35c93806e1c620754d2549ea5d8311a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ef13f5b7a096274e4cc7d8e2d319e5c6e6b23c5046ab0fc71c4543c714494d9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-05-12T04:54:18Z",
    "title_canon_sha256": "a3e6b4f1eed70c8aa0e62e0abb0c37197c9503666611707f0c9b2ba72dee3f8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0405062",
    "kind": "arxiv",
    "version": 2
  }
}