Pith Number

pith:ZLXIXOBC

pith:2021:ZLXIXOBCD2UHFITEXK6Z3H6KCC

not attested not anchored not stored refs pending

Two inequalities for the first Robin eigenvalue of the Finsler Laplacian

Giuseppina di Blasio, Nunzia Gavitone

arxiv:2107.10595 v2 · 2021-07-22 · 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{ZLXIXOBCD2UHFITEXK6Z3H6KCC}

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	2026-07-05T03:24:58.152234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

caee8bb8221ea872a264babd9d9fca10871c601efe8ee14f8ae82d399f8815af

Aliases

arxiv: 2107.10595 · arxiv_version: 2107.10595v2 · doi: 10.48550/arxiv.2107.10595 · pith_short_12: ZLXIXOBCD2UH · pith_short_16: ZLXIXOBCD2UHFITE · pith_short_8: ZLXIXOBC

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/ZLXIXOBCD2UHFITEXK6Z3H6KCC \
  | 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: caee8bb8221ea872a264babd9d9fca10871c601efe8ee14f8ae82d399f8815af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d40326b84aa4fc1f3c6794837c3c1a3267b5a6a2cd8a52a746ee144b0adc99c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2021-07-22T11:47:29Z",
    "title_canon_sha256": "c8002af0181f68dd5a9855c17022b0f476494680f1daa606878f42ff859418bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.10595",
    "kind": "arxiv",
    "version": 2
  }
}