Pith Number

pith:APUVN7S6

pith:2016:APUVN7S6I5JVIZNC7NV36EWVZC

not attested not anchored not stored refs pending

Multiple positive solutions of a Sturm-Liouville boundary value problem with conflicting nonlinearities

Guglielmo Feltrin

arxiv:1607.08365 v1 · 2016-07-28 · 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{APUVN7S6I5JVIZNC7NV36EWVZC}

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	2026-05-18T01:10:19.313790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03e956fe5e47535465a2fb6bbf12d5c89337b63e278232dc7e6894ca13483a8a

Aliases

arxiv: 1607.08365 · arxiv_version: 1607.08365v1 · doi: 10.48550/arxiv.1607.08365 · pith_short_12: APUVN7S6I5JV · pith_short_16: APUVN7S6I5JVIZNC · pith_short_8: APUVN7S6

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/APUVN7S6I5JVIZNC7NV36EWVZC \
  | 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: 03e956fe5e47535465a2fb6bbf12d5c89337b63e278232dc7e6894ca13483a8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9657a4a38e5c582d6c87c65db57ea53c9009d1d3d7dee7060fa553b19f71de9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2016-07-28T09:00:02Z",
    "title_canon_sha256": "401674bd5da3cc1eb32d23126af119084109f075805d170e201919c17d36ce4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.08365",
    "kind": "arxiv",
    "version": 1
  }
}