Pith Number

pith:LYEBGPVJ

pith:2015:LYEBGPVJJ7JK2HBIMRPFH2ZSED

not attested not anchored not stored refs pending

Existence of positive solutions of a superlinear boundary value problem with indefinite weight

Guglielmo Feltrin

arxiv:1503.04583 v1 · 2015-03-16 · 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{LYEBGPVJJ7JK2HBIMRPFH2ZSED}

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	2026-05-18T02:23:24.609644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e08133ea94fd2ad1c28645e53eb3220fef7c2ce48ccf7b39af7c0358d6ae170

Aliases

arxiv: 1503.04583 · arxiv_version: 1503.04583v1 · doi: 10.48550/arxiv.1503.04583 · pith_short_12: LYEBGPVJJ7JK · pith_short_16: LYEBGPVJJ7JK2HBI · pith_short_8: LYEBGPVJ

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/LYEBGPVJJ7JK2HBIMRPFH2ZSED \
  | 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: 5e08133ea94fd2ad1c28645e53eb3220fef7c2ce48ccf7b39af7c0358d6ae170

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15023ba71bfcaebddde23441e5abbed18ac4bb05d81fc891d1c97daee0ea9e87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-03-16T10:00:25Z",
    "title_canon_sha256": "90fc79f7c4709e2ffe94425b001c1f2f781e043195e6453de6afb62c2deb54c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04583",
    "kind": "arxiv",
    "version": 1
  }
}