Pith Number

pith:BF6S7QEY

pith:2018:BF6S7QEYDTC2WKZSNFHROXDGXH

not attested not anchored not stored refs pending

Towards a reversed Faber-Krahn inequality for the truncated Laplacian

Giulio Galise, Hitoshi Ishii, Isabeau Birindelli

arxiv:1803.07362 v1 · 2018-03-20 · math.AP · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BF6S7QEYDTC2WKZSNFHROXDGXH}

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	2026-05-18T00:20:33.518204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

097d2fc0981cc5ab2b32694f175c66b9c59ec106791ac4aa222105f3c2aad278

Aliases

arxiv: 1803.07362 · arxiv_version: 1803.07362v1 · doi: 10.48550/arxiv.1803.07362 · pith_short_12: BF6S7QEYDTC2 · pith_short_16: BF6S7QEYDTC2WKZS · pith_short_8: BF6S7QEY

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/BF6S7QEYDTC2WKZSNFHROXDGXH \
  | 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: 097d2fc0981cc5ab2b32694f175c66b9c59ec106791ac4aa222105f3c2aad278

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56917ce4403a0db9fdb4501d1499962427bdaa64595ff1dd8644fb634ad6cae7",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-03-20T11:01:04Z",
    "title_canon_sha256": "7bfbe51edd7445490339d03b63d67f2fb73f8e7c0123c4ee55bc28ec21ac8dec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07362",
    "kind": "arxiv",
    "version": 1
  }
}