Pith Number

pith:Z3JRSDXU

pith:2013:Z3JRSDXU3KZD5IAYDKVIA3SZ3Z

not attested not anchored not stored refs pending

The Riesz basis property of an indefinite Sturm-Liouville problem with non-separated boundary conditions

Aleksey Kostenko, Andreas Fleige, Branko \'Curgus

arxiv:1306.1329 v2 · 2013-06-06 · math.SP · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z3JRSDXU3KZD5IAYDKVIA3SZ3Z}

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	2026-05-18T02:54:14.216115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ced3190ef4dab23ea0181aaa806e59de71b289ab575ea11a1bd2a8edf8558997

Aliases

arxiv: 1306.1329 · arxiv_version: 1306.1329v2 · doi: 10.48550/arxiv.1306.1329 · pith_short_12: Z3JRSDXU3KZD · pith_short_16: Z3JRSDXU3KZD5IAY · pith_short_8: Z3JRSDXU

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/Z3JRSDXU3KZD5IAYDKVIA3SZ3Z \
  | 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: ced3190ef4dab23ea0181aaa806e59de71b289ab575ea11a1bd2a8edf8558997

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29a0624286dc110098b4d3a2beec799b460d8c4c52c1da021f55986e04157436",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2013-06-06T08:01:31Z",
    "title_canon_sha256": "8103925661103bcb6749f203942a5a93dc5fa24496d1286785eede2d8fd4a5f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1329",
    "kind": "arxiv",
    "version": 2
  }
}