Pith Number

pith:724352RY

pith:2004:724352RYTCAM6RLJBEKEQ5NQTC

not attested not anchored not stored refs pending

Inverse Spectral-Scattering Problem with Two Sets of Discrete Spectra for the Radial Schroedinger Equation

Ricardo Weder, Tuncay Aktosun

arxiv:math-ph/0402019 v1 · 2004-02-09 · math-ph · math.MP · 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{724352RYTCAM6RLJBEKEQ5NQTC}

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	2026-07-04T16:49:09.381038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feb9beea389880cf456909144875b0988c33038def537871aec825c4eb2a94e9

Aliases

arxiv: math-ph/0402019 · arxiv_version: math-ph/0402019v1 · doi: 10.48550/arxiv.math-ph/0402019 · pith_short_12: 724352RYTCAM · pith_short_16: 724352RYTCAM6RLJ · pith_short_8: 724352RY

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/724352RYTCAM6RLJBEKEQ5NQTC \
  | 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: feb9beea389880cf456909144875b0988c33038def537871aec825c4eb2a94e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30bf24301a721b6c5317715565c791e477f5836e67b9a4c67e84ef45e926f9b5",
    "cross_cats_sorted": [
      "math.MP",
      "math.SP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2004-02-09T14:46:32Z",
    "title_canon_sha256": "a8bda0bc6ebc3e149f81c9cb57d2a116d135095a8ad9556c70e19aab86f25a20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0402019",
    "kind": "arxiv",
    "version": 1
  }
}