Pith Number

pith:QQTGLAUM

pith:2015:QQTGLAUMNBDIM2CVIIOA3Q6FOL

not attested not anchored not stored refs pending

Accumulation of complex eigenvalues of an indefinite Sturm--Liouville operator with a shifted Coulomb potential

Marcello Seri, Michael Levitin

arxiv:1503.08615 v2 · 2015-03-30 · 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{QQTGLAUMNBDIM2CVIIOA3Q6FOL}

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	2026-05-18T01:03:06.562595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

842665828c6846866855421c0dc3c572c5e5ff08a343565ffea831b472930896

Aliases

arxiv: 1503.08615 · arxiv_version: 1503.08615v2 · doi: 10.48550/arxiv.1503.08615 · pith_short_12: QQTGLAUMNBDI · pith_short_16: QQTGLAUMNBDIM2CV · pith_short_8: QQTGLAUM

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/QQTGLAUMNBDIM2CVIIOA3Q6FOL \
  | 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: 842665828c6846866855421c0dc3c572c5e5ff08a343565ffea831b472930896

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c7b28eb264bb6baaffe1fe76dbf988009b3025444f66720f9a0162e6a287186",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2015-03-30T09:42:22Z",
    "title_canon_sha256": "e70416e714423037c928bd98eebf7dfcf641993aa06f1de1771372d0a6b3da0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08615",
    "kind": "arxiv",
    "version": 2
  }
}