Pith Number

pith:NV3VHSIB

pith:2010:NV3VHSIBHESYM2IMU54TY5QY5X

not attested not anchored not stored refs pending

Inverse Eigenvalue Problems for Perturbed Spherical Schroedinger Operators

Aleksey Kostenko, Alexander Sakhnovich, Gerald Teschl

arxiv:1004.4175 v2 · 2010-04-23 · 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{NV3VHSIBHESYM2IMU54TY5QY5X}

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	2026-05-18T04:41:24.953781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d7753c901392586690ca7793c7618edd2526928222b0d8730b99b78e5be5888

Aliases

arxiv: 1004.4175 · arxiv_version: 1004.4175v2 · doi: 10.48550/arxiv.1004.4175 · pith_short_12: NV3VHSIBHESY · pith_short_16: NV3VHSIBHESYM2IM · pith_short_8: NV3VHSIB

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/NV3VHSIBHESYM2IMU54TY5QY5X \
  | 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: 6d7753c901392586690ca7793c7618edd2526928222b0d8730b99b78e5be5888

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fd7aa754536dc18c9ad57e445fece02af0ba21d26963ac44a278e4b6f24a164",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2010-04-23T16:33:10Z",
    "title_canon_sha256": "6099d5d109a9faf68c9d63cff7b3c33aa60dc62db6f47e56d9def210c2a4c831"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4175",
    "kind": "arxiv",
    "version": 2
  }
}