Pith Number

pith:OECHBEFF

pith:2015:OECHBEFF6E4UYWFB56GIYMNOBK

not attested not anchored not stored refs pending

Toric aspects of the first eigenvalue

Eveline Legendre, Rosa Sena-Dias

arxiv:1505.01678 v2 · 2015-05-07 · math.DG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OECHBEFF6E4UYWFB56GIYMNOBK}

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	2026-05-18T01:21:13.366163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71047090a5f1394c58a1ef8c8c31ae0aba322fcb94db4c5ad6fe2704c7a6a7a8

Aliases

arxiv: 1505.01678 · arxiv_version: 1505.01678v2 · doi: 10.48550/arxiv.1505.01678 · pith_short_12: OECHBEFF6E4U · pith_short_16: OECHBEFF6E4UYWFB · pith_short_8: OECHBEFF

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/OECHBEFF6E4UYWFB56GIYMNOBK \
  | 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: 71047090a5f1394c58a1ef8c8c31ae0aba322fcb94db4c5ad6fe2704c7a6a7a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "600943c0aef1be8767b9711a8e116270c2c4ab657656543246429c09bc2996a3",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-05-07T12:11:52Z",
    "title_canon_sha256": "aa9b837956493174d05e51024544662fa9813c4a48ce6c5aa7e18eee6dd64e94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01678",
    "kind": "arxiv",
    "version": 2
  }
}