Pith Number

pith:5RQNINOX

pith:2025:5RQNINOXLOCV6HQXXOGYNZ33IG

not attested not anchored not stored refs pending

Eigenvalues of non-selfadjoint functional difference operators

Alexei Ilyin, Anna Zernova, Ari Laptev, Lukas Schimmer

arxiv:2504.06858 v1 · 2025-04-09 · 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{5RQNINOXLOCV6HQXXOGYNZ33IG}

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	2026-07-05T10:46:47.400167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec60d435d75b855f1e17bb8d86e77b4192986af2134dadcbb9002f7626df440a

Aliases

arxiv: 2504.06858 · arxiv_version: 2504.06858v1 · doi: 10.48550/arxiv.2504.06858 · pith_short_12: 5RQNINOXLOCV · pith_short_16: 5RQNINOXLOCV6HQX · pith_short_8: 5RQNINOX

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/5RQNINOXLOCV6HQXXOGYNZ33IG \
  | 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: ec60d435d75b855f1e17bb8d86e77b4192986af2134dadcbb9002f7626df440a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc0b12e6631930f60c9fc309ddb8e3f26e59e15115a940b955a46458a22c0092",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2025-04-09T13:09:51Z",
    "title_canon_sha256": "ca4a19dd1c978d083f1809f50d885ae63acfb4c8587a9393a25005918fcf9f2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.06858",
    "kind": "arxiv",
    "version": 1
  }
}