Pith Number

pith:B5HHWP7Z

pith:2018:B5HHWP7ZFXINLUJLYAAGQDSVZH

not attested not anchored not stored refs pending

"Blinking eigenvalues" of the Steklov problem generate the continuous spectrum in a cuspidal domain

Jari Taskinen, Sergei A. Nazarov

arxiv:1807.00514 v1 · 2018-07-02 · 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{B5HHWP7ZFXINLUJLYAAGQDSVZH}

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	2026-05-18T00:11:52.344916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f4e7b3ff92dd0d5d12bc000680e55c9ced4bfcae007affe6e28060736f8210d

Aliases

arxiv: 1807.00514 · arxiv_version: 1807.00514v1 · doi: 10.48550/arxiv.1807.00514 · pith_short_12: B5HHWP7ZFXIN · pith_short_16: B5HHWP7ZFXINLUJL · pith_short_8: B5HHWP7Z

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/B5HHWP7ZFXINLUJLYAAGQDSVZH \
  | 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: 0f4e7b3ff92dd0d5d12bc000680e55c9ced4bfcae007affe6e28060736f8210d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26fcc05c39073cd1f4f9974b79f256bca592cb8da01480ba95aad0c09d566805",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-07-02T08:09:16Z",
    "title_canon_sha256": "6677c3830ca1d077d60a785029dfb81758ebc19bc88f06def9d8f7764c5c12a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00514",
    "kind": "arxiv",
    "version": 1
  }
}