Pith Number

pith:HBFMOXQK

pith:2009:HBFMOXQKZ46ME3KNHXRP4225GB

not attested not anchored not stored refs pending

Periodic Sturm-Liouville problems related to two Riccati equations of constant coefficients

A. Gonzalez, H.C. Rosu, K.V. Khmelnytskaya

arxiv:0910.1377 v3 · 2009-10-08 · 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{HBFMOXQKZ46ME3KNHXRP4225GB}

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	2026-05-18T03:04:07.066529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

384ac75e0acf3cc26d4d3de2fe6b5d307fcb6579149432e24b8169fbdd719d01

Aliases

arxiv: 0910.1377 · arxiv_version: 0910.1377v3 · doi: 10.48550/arxiv.0910.1377 · pith_short_12: HBFMOXQKZ46M · pith_short_16: HBFMOXQKZ46ME3KN · pith_short_8: HBFMOXQK

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/HBFMOXQKZ46ME3KNHXRP4225GB \
  | 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: 384ac75e0acf3cc26d4d3de2fe6b5d307fcb6579149432e24b8169fbdd719d01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5f447ba4fcb3a8c4a5ede0eb2d2dc741cbcd012411629b1d0ef5b6f01d7a767",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-10-08T03:19:13Z",
    "title_canon_sha256": "632604fca6a883dffcf4d7cac05c79e29266163f62a3dc45959e45a87771224c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1377",
    "kind": "arxiv",
    "version": 3
  }
}