Pith Number

pith:K7Y6QV6Q

pith:1997:K7Y6QV6QG2GOFLUWPHRPXOABCL

not attested not anchored not stored refs pending

General non-rotating perfect-fluid solution with an abelian spacelike C_3 including only one isometry

Andreas Koutras, Marc Mars

arxiv:gr-qc/9703029 v1 · 1997-03-11 · 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{K7Y6QV6QG2GOFLUWPHRPXOABCL}

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	2026-05-18T01:39:19.086518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57f1e857d0368ce2ae9679e2fbb80112f138bf6ad8ca63eda615a30566c9564f

Aliases

arxiv: gr-qc/9703029 · arxiv_version: gr-qc/9703029v1 · doi: 10.48550/arxiv.gr-qc/9703029 · pith_short_12: K7Y6QV6QG2GO · pith_short_16: K7Y6QV6QG2GOFLUW · pith_short_8: K7Y6QV6Q

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/K7Y6QV6QG2GOFLUWPHRPXOABCL \
  | 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: 57f1e857d0368ce2ae9679e2fbb80112f138bf6ad8ca63eda615a30566c9564f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61eb7801f809c2eb97c28a4b7073ed1e0a1b25cb9c800b91a83becb78e910cf4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1997-03-11T16:44:43Z",
    "title_canon_sha256": "47cc1620911d33900ae091a37df2a8499e53d9ae0244ef14ec69bedc1bc509db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9703029",
    "kind": "arxiv",
    "version": 1
  }
}