Pith Number

pith:Z4NWOMSR

pith:2011:Z4NWOMSRLW2QTMPYCUP7XDJAZR

not attested not anchored not stored refs pending

Nonexistence of an integral of the 6th degree in momenta for the Zipoy-Voorhees metric

Boris S. Kruglikov, Vladimir S. Matveev

arxiv:1111.4690 v1 · 2011-11-20 · math-ph · gr-qc · math.DG · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z4NWOMSRLW2QTMPYCUP7XDJAZR}

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	2026-05-18T01:31:04.177495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf1b6732515db509b1f8151ffb8d20cc6ee6f5e0863ad6f8dc5a4ab63876e436

Aliases

arxiv: 1111.4690 · arxiv_version: 1111.4690v1 · doi: 10.48550/arxiv.1111.4690 · pith_short_12: Z4NWOMSRLW2Q · pith_short_16: Z4NWOMSRLW2QTMPY · pith_short_8: Z4NWOMSR

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/Z4NWOMSRLW2QTMPYCUP7XDJAZR \
  | 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: cf1b6732515db509b1f8151ffb8d20cc6ee6f5e0863ad6f8dc5a4ab63876e436

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d45f4551503d2228aee43bcd0fe99e584eb8082d00d2887931a8ad0f9811b932",
    "cross_cats_sorted": [
      "gr-qc",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2011-11-20T22:05:30Z",
    "title_canon_sha256": "5c598965dd627bb06b9a403589b40920a262c9cadacb341a0ce84f8bc46d6548"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4690",
    "kind": "arxiv",
    "version": 1
  }
}