Pith Number

pith:3BSOHPP2

pith:2025:3BSOHPP2AWLKAMH7AS7SBAQK6R

not attested not anchored not stored refs pending

Reconstruction techniques for inverse Sturm-Liouville problems with complex coefficients

Vladislav V. Kravchenko

arxiv:2506.00670 v1 · 2025-05-31 · math.CA · cs.NA · math-ph · math.MP · math.NA · math.SP · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3BSOHPP2AWLKAMH7AS7SBAQK6R}

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	2026-07-05T11:13:38.526303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d864e3bdfa0596a030ff04bf20820af44c32bd381ae77ea7064c464630bee49d

Aliases

arxiv: 2506.00670 · arxiv_version: 2506.00670v1 · doi: 10.48550/arxiv.2506.00670 · pith_short_12: 3BSOHPP2AWLK · pith_short_16: 3BSOHPP2AWLKAMH7 · pith_short_8: 3BSOHPP2

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/3BSOHPP2AWLKAMH7AS7SBAQK6R \
  | 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: d864e3bdfa0596a030ff04bf20820af44c32bd381ae77ea7064c464630bee49d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c5e075bcdbdd4354436dbbc2d6283547df8dc9adcae43281cc14dcec4989b79",
    "cross_cats_sorted": [
      "cs.NA",
      "math-ph",
      "math.MP",
      "math.NA",
      "math.SP",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2025-05-31T18:49:55Z",
    "title_canon_sha256": "8b011f1ebb8d0447010adb08f2c1198a4168464aae3ee3e1ac0c31cd6a1336d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.00670",
    "kind": "arxiv",
    "version": 1
  }
}