Pith Number

pith:AFB6OOX7

pith:2018:AFB6OOX7TRA4HMKZTKOWEDBIUP

not attested not anchored not stored refs pending

Two estimates for the first Robin eigenvalue of the Finsler Laplacian with negative boundary parameter

Gloria Paoli, Leonardo Trani

arxiv:1811.03506 v1 · 2018-11-08 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AFB6OOX7TRA4HMKZTKOWEDBIUP}

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	2026-05-18T00:01:15.932606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0143e73aff9c41c3b1599a9d620c28a3f98868acc7d638f5b2da725b5fa0dc27

Aliases

arxiv: 1811.03506 · arxiv_version: 1811.03506v1 · doi: 10.48550/arxiv.1811.03506 · pith_short_12: AFB6OOX7TRA4 · pith_short_16: AFB6OOX7TRA4HMKZ · pith_short_8: AFB6OOX7

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/AFB6OOX7TRA4HMKZTKOWEDBIUP \
  | 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: 0143e73aff9c41c3b1599a9d620c28a3f98868acc7d638f5b2da725b5fa0dc27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73e7aea69a773b5803095e3ff71a85c68115eb4ce462da26901ed0e84b02f371",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-11-08T15:48:43Z",
    "title_canon_sha256": "8799f55ee3a3f89bb5f7b38eecfffe87f336690722010d99a1417679cfeb428f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03506",
    "kind": "arxiv",
    "version": 1
  }
}