Pith Number

pith:NDANVOYS

pith:2018:NDANVOYSGJQEIEJLNBMYOAUDKX

not attested not anchored not stored refs pending

A corrected spectral method for Sturm-Liouville problems with unbounded potential at one endpoint

Cecilia Magherini

arxiv:1812.02090 v2 · 2018-12-05 · math.NA

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\usepackage{pith}
\pithnumber{NDANVOYSGJQEIEJLNBMYOAUDKX}

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Record completeness

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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.

Cited by

1 paper in Pith

Weakly regular Sturm-Liouville problems: a corrected spectral matrix method

Receipt and verification

First computed	2026-05-17T23:47:02.372889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68c0dabb12326044112b685987028355f1658cce1ffa0187eb7b508474200e53

Aliases

arxiv: 1812.02090 · arxiv_version: 1812.02090v2 · doi: 10.48550/arxiv.1812.02090 · pith_short_12: NDANVOYSGJQE · pith_short_16: NDANVOYSGJQEIEJL · pith_short_8: NDANVOYS

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/NDANVOYSGJQEIEJLNBMYOAUDKX \
  | 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: 68c0dabb12326044112b685987028355f1658cce1ffa0187eb7b508474200e53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94d3296a29622924d19bbeaee71026ef7cc2beb6a306cb0abb3e1bf0d10050be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-12-05T16:28:30Z",
    "title_canon_sha256": "cf5367509d43218d919133e1d122932d492b87648594bfdeb67a128ccd6f6187"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02090",
    "kind": "arxiv",
    "version": 2
  }
}