Pith Number

pith:IEDHRSU4

pith:2015:IEDHRSU45GS2OADJXDUURNS3GC

not attested not anchored not stored refs pending

Multiplicity of positive periodic solutions in the superlinear indefinite case via coincidence degree

Fabio Zanolin, Guglielmo Feltrin

arxiv:1508.01867 v1 · 2015-08-08 · 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{IEDHRSU45GS2OADJXDUURNS3GC}

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	2026-05-18T01:35:37.715841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

410678ca9ce9a5a70069b8e948b65b3088c30a385e49e7e823089829dd8df517

Aliases

arxiv: 1508.01867 · arxiv_version: 1508.01867v1 · doi: 10.48550/arxiv.1508.01867 · pith_short_12: IEDHRSU45GS2 · pith_short_16: IEDHRSU45GS2OADJ · pith_short_8: IEDHRSU4

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/IEDHRSU45GS2OADJXDUURNS3GC \
  | 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: 410678ca9ce9a5a70069b8e948b65b3088c30a385e49e7e823089829dd8df517

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae4fb280642c6104eab1541e159696189acd95fcd1a4f1293829e1ad56fa0ad1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-08-08T08:02:51Z",
    "title_canon_sha256": "682dd8bd47fee9a269864d6095dadb94deb8c915a06bb63cd52da922ffca9eb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01867",
    "kind": "arxiv",
    "version": 1
  }
}