Pith Number

pith:3DOUKNWB

pith:2018:3DOUKNWBRLTHPFOAZVSBWLRFG6

not attested not anchored not stored refs pending

An affirmative answer to Yamada's Conjecture

Chuan Liu, Fucai Lin

arxiv:1807.00695 v2 · 2018-07-02 · math.GR · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3DOUKNWBRLTHPFOAZVSBWLRFG6}

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	2026-05-17T23:49:52.775187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8dd4536c18ae67795c0cd641b2e253794200f0154f9ed40bffe1c2f31c6f38e

Aliases

arxiv: 1807.00695 · arxiv_version: 1807.00695v2 · doi: 10.48550/arxiv.1807.00695 · pith_short_12: 3DOUKNWBRLTH · pith_short_16: 3DOUKNWBRLTHPFOA · pith_short_8: 3DOUKNWB

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/3DOUKNWBRLTHPFOAZVSBWLRFG6 \
  | 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: d8dd4536c18ae67795c0cd641b2e253794200f0154f9ed40bffe1c2f31c6f38e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "638164d16bf312c2ed1ea014aa0ea083d8b77476e5dfc5d7da0318d7e4cfadde",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-07-02T14:18:07Z",
    "title_canon_sha256": "df63f4d4a4bdb734783bcd10fed18bbe2de002143ee9dcff23286964bae64e9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00695",
    "kind": "arxiv",
    "version": 2
  }
}