Pith Number

pith:75BQCMWJ

pith:2017:75BQCMWJIPOUVM5MH4NYG7VVJX

not attested not anchored not stored refs pending

Nonlinear Loewy Factorizable Algebraic ODEs and Hayman's Conjecture

Cheng-Fa Wu, Tuen-Wai Ng

arxiv:1710.08593 v1 · 2017-10-24 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75BQCMWJIPOUVM5MH4NYG7VVJX}

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	2026-05-18T00:32:04.389819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff430132c943dd4ab3ac3f1b837eb54dfaf130b5e24b555f32058cc6e0aaa366

Aliases

arxiv: 1710.08593 · arxiv_version: 1710.08593v1 · doi: 10.48550/arxiv.1710.08593 · pith_short_12: 75BQCMWJIPOU · pith_short_16: 75BQCMWJIPOUVM5M · pith_short_8: 75BQCMWJ

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/75BQCMWJIPOUVM5MH4NYG7VVJX \
  | 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: ff430132c943dd4ab3ac3f1b837eb54dfaf130b5e24b555f32058cc6e0aaa366

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e3efbd044d4c42128423846e4943ea30b9a7b52495adf06c363b73683787a19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-10-24T03:59:49Z",
    "title_canon_sha256": "69acf21c0d47734ec9f52d4fbb340411f3c6864a1278f2e368ffe2ca81def0a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08593",
    "kind": "arxiv",
    "version": 1
  }
}