Pith Number

pith:R7QTLYKE

pith:2018:R7QTLYKEYM32WEZ5RTTWK672XV

not attested not anchored not stored refs pending

Inverse spectral theory for a class of non-compact Hankel operators

Alexander Pushnitski, Patrick Gerard

arxiv:1803.06169 v1 · 2018-03-16 · math.SP · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R7QTLYKEYM32WEZ5RTTWK672XV}

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	2026-05-17T23:53:12.533582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fe135e144c337ab133d8ce7657bfabd44a6d9a42d4c05b14a840e4519fc4353

Aliases

arxiv: 1803.06169 · arxiv_version: 1803.06169v1 · doi: 10.48550/arxiv.1803.06169 · pith_short_12: R7QTLYKEYM32 · pith_short_16: R7QTLYKEYM32WEZ5 · pith_short_8: R7QTLYKE

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/R7QTLYKEYM32WEZ5RTTWK672XV \
  | 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: 8fe135e144c337ab133d8ce7657bfabd44a6d9a42d4c05b14a840e4519fc4353

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13e57202bdf4a584e0c2fc7c3576db2e232a5e59770c680d537d6987a1a057d5",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2018-03-16T11:27:14Z",
    "title_canon_sha256": "259288723b05e4dbaaf1680933918bd5346afa077322b668d8683fb3f681d181"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06169",
    "kind": "arxiv",
    "version": 1
  }
}