Pith Number

pith:ROWNX33L

pith:2010:ROWNX33LWLGYMCZSSCXKMKFS22

not attested not anchored not stored refs pending

Extremal spectral properties of Lawson tori

Alexei V. Penskoi

arxiv:1008.2954 v4 · 2010-08-17 · math.SP · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ROWNX33LWLGYMCZSSCXKMKFS22}

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	2026-05-18T04:05:27.804689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bacdbef6bb2cd860b3290aea628b2d68f7119ee599270cc961bd3f5a030e7c4

Aliases

arxiv: 1008.2954 · arxiv_version: 1008.2954v4 · doi: 10.48550/arxiv.1008.2954 · pith_short_12: ROWNX33LWLGY · pith_short_16: ROWNX33LWLGYMCZS · pith_short_8: ROWNX33L

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/ROWNX33LWLGYMCZSSCXKMKFS22 \
  | 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: 8bacdbef6bb2cd860b3290aea628b2d68f7119ee599270cc961bd3f5a030e7c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70bc767e8d625fa4f037e4f0858dd6636f79cb9558927ccc8757fa80a6297516",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2010-08-17T19:50:05Z",
    "title_canon_sha256": "7f10b249519520bc1c5900e7384341348b7bbca0b5107bd8caf3d1a71a6e2423"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2954",
    "kind": "arxiv",
    "version": 4
  }
}