Pith Number

pith:2IUDLCFI

pith:2016:2IUDLCFIU4MO4QJJHIXBSYGE64

not attested not anchored not stored refs pending

An eigenvalue problem involving a degenerate and singular elliptic operator

Du\v{s}an Repov\v{s}, Mihai Mih\u{a}ilescu

arxiv:1603.05039 v1 · 2016-03-16 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IUDLCFIU4MO4QJJHIXBSYGE64}

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	2026-05-18T01:18:58.142053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2283588a8a718ee41293a2e1960c4f72a9277b01cff85dab3d14ffe2526903a

Aliases

arxiv: 1603.05039 · arxiv_version: 1603.05039v1 · doi: 10.48550/arxiv.1603.05039 · pith_short_12: 2IUDLCFIU4MO · pith_short_16: 2IUDLCFIU4MO4QJJ · pith_short_8: 2IUDLCFI

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/2IUDLCFIU4MO4QJJHIXBSYGE64 \
  | 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: d2283588a8a718ee41293a2e1960c4f72a9277b01cff85dab3d14ffe2526903a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc3fba7defdeddff9cba6ba787a7783b86d884d5a9a1443e420f4b83052ef90d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-03-16T11:24:23Z",
    "title_canon_sha256": "99531b5743ba29f9cec32f80f723cd333706da98f7aa6e78cb6e1790a1a4b752"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.05039",
    "kind": "arxiv",
    "version": 1
  }
}