Pith Number

pith:EQHQL5FQ

pith:2014:EQHQL5FQEL34AB5B2TCTVXA7KR

not attested not anchored not stored refs pending

Eigenvalues for the Robin Laplacian in domains with variable curvature

Ayman Kachmar, Bernard Helffer

arxiv:1411.2700 v2 · 2014-11-11 · math.SP · math-ph · 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{EQHQL5FQEL34AB5B2TCTVXA7KR}

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	2026-05-18T02:17:33.505336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

240f05f4b022f7c007a1d4c53adc1f547d8d3339cc216a1eb34eea9ed6ea0496

Aliases

arxiv: 1411.2700 · arxiv_version: 1411.2700v2 · doi: 10.48550/arxiv.1411.2700 · pith_short_12: EQHQL5FQEL34 · pith_short_16: EQHQL5FQEL34AB5B · pith_short_8: EQHQL5FQ

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/EQHQL5FQEL34AB5B2TCTVXA7KR \
  | 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: 240f05f4b022f7c007a1d4c53adc1f547d8d3339cc216a1eb34eea9ed6ea0496

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d76fcbe4b60c1ffa7b9e6baf74819bc8b91296359614261396a95dce14c7620",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2014-11-11T04:55:35Z",
    "title_canon_sha256": "1eeb45eb83e89c69d6e7acf10346d348dbfb1bbe6e6a5b971565de159a8be6ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2700",
    "kind": "arxiv",
    "version": 2
  }
}