Pith Number

pith:CXU5UIYE

pith:2017:CXU5UIYEB3DYHODGWHA7XTO4G4

not attested not anchored not stored refs pending

The spectra of harmonic layer potential operators on domains with rotationally symmetric conical points

Johan Helsing, Karl-Mikael Perfekt

arxiv:1703.01628 v2 · 2017-03-05 · math.AP · math.FA · 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{CXU5UIYEB3DYHODGWHA7XTO4G4}

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	2026-05-18T00:34:04.959577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15e9da23040ec783b866b1c1fbcddc371fc61976cb7dc774b739a0d5f60f4808

Aliases

arxiv: 1703.01628 · arxiv_version: 1703.01628v2 · doi: 10.48550/arxiv.1703.01628 · pith_short_12: CXU5UIYEB3DY · pith_short_16: CXU5UIYEB3DYHODG · pith_short_8: CXU5UIYE

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/CXU5UIYEB3DYHODGWHA7XTO4G4 \
  | 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: 15e9da23040ec783b866b1c1fbcddc371fc61976cb7dc774b739a0d5f60f4808

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aa0c7fed22676689a63a1ba7908457c932ef3ac20b2b9f9cbaed7f540ed9c27",
    "cross_cats_sorted": [
      "math.FA",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-03-05T17:12:23Z",
    "title_canon_sha256": "95678ded1afa2ee25a907e61e2050572876c6387c5eab3130544f363784a5bf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01628",
    "kind": "arxiv",
    "version": 2
  }
}