Pith Number

pith:UNWCGEOQ

pith:2016:UNWCGEOQJ4GJ3CIMTH5KPTKBPD

not attested not anchored not stored refs pending

Linear differential polynomials in zero-free meromorphic functions

J.K. Langley

arxiv:1609.00128 v4 · 2016-09-01 · 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{UNWCGEOQJ4GJ3CIMTH5KPTKBPD}

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	2026-05-18T00:24:35.526799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a36c2311d04f0c9d890c99faa7cd4178cede2db8216c0c0979b8bbfbea2a9a44

Aliases

arxiv: 1609.00128 · arxiv_version: 1609.00128v4 · doi: 10.48550/arxiv.1609.00128 · pith_short_12: UNWCGEOQJ4GJ · pith_short_16: UNWCGEOQJ4GJ3CIM · pith_short_8: UNWCGEOQ

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/UNWCGEOQJ4GJ3CIMTH5KPTKBPD \
  | 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: a36c2311d04f0c9d890c99faa7cd4178cede2db8216c0c0979b8bbfbea2a9a44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7c9dd5c286d99f4d8d3d35d003aa4b544bc98c60c3ee2fe2087bfa2b113c9cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2016-09-01T07:12:55Z",
    "title_canon_sha256": "daaa1929eeec72a69b4c414b11ce582ed7635540e52a7818cd3283d7a3231b21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00128",
    "kind": "arxiv",
    "version": 4
  }
}