Pith Number

pith:J7EFBZRR

pith:2013:J7EFBZRRPIH5ASRJ6DDR6ZGPBK

not attested not anchored not stored refs pending

Parameter invariant Lagrangian formulation of Kawaguchi geometry

Erico Tanaka

arxiv:1310.4450 v1 · 2013-10-16 · 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{J7EFBZRRPIH5ASRJ6DDR6ZGPBK}

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	2026-05-18T03:10:15.011803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fc850e6317a0fd04a29f0c71f64cf0aa14db0e25654ebba67c5db6ab2fb43bb

Aliases

arxiv: 1310.4450 · arxiv_version: 1310.4450v1 · doi: 10.48550/arxiv.1310.4450 · pith_short_12: J7EFBZRRPIH5 · pith_short_16: J7EFBZRRPIH5ASRJ · pith_short_8: J7EFBZRR

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/J7EFBZRRPIH5ASRJ6DDR6ZGPBK \
  | 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: 4fc850e6317a0fd04a29f0c71f64cf0aa14db0e25654ebba67c5db6ab2fb43bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8bd8c0ba3831bd726e2a37a8f3b6f840884f6b939cb7cf2d84bea4cd72c25f1",
    "cross_cats_sorted": [
      "gr-qc",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-10-16T17:04:02Z",
    "title_canon_sha256": "61acc90808c2a77a697cd165d454026cae93ca8b1c81d2b64cdd4fee755c03c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4450",
    "kind": "arxiv",
    "version": 1
  }
}