Pith Number

pith:5QHS7QBK

pith:2016:5QHS7QBKFQRYI5QHVJ4OZDBLW3

not attested not anchored not stored refs pending

Multiple solutions for a Neumann system involving subquadratic nonlinearities

Alexandru Krist\'aly, Du\v{s}an Repov\v{s}

arxiv:1602.04148 v1 · 2016-02-12 · 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{5QHS7QBKFQRYI5QHVJ4OZDBLW3}

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	2026-05-18T01:20:54.424162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec0f2fc02a2c23847607aa78ec8c2bb6d3ef02df87590a6c28e3624b22aa0330

Aliases

arxiv: 1602.04148 · arxiv_version: 1602.04148v1 · doi: 10.48550/arxiv.1602.04148 · pith_short_12: 5QHS7QBKFQRY · pith_short_16: 5QHS7QBKFQRYI5QH · pith_short_8: 5QHS7QBK

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/5QHS7QBKFQRYI5QHVJ4OZDBLW3 \
  | 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: ec0f2fc02a2c23847607aa78ec8c2bb6d3ef02df87590a6c28e3624b22aa0330

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5e67b6472b1dbb6d546cbdb7b7579ec503c6ce9b3c08115774ac9944cc41303",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-02-12T18:28:40Z",
    "title_canon_sha256": "874a174ba35f80d2f87efbd04a9c7cd3b387fab614f5afe568bf88d34391de84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04148",
    "kind": "arxiv",
    "version": 1
  }
}