Pith Number

pith:WJOUEFXX

pith:2022:WJOUEFXXKT2DPZUMDMQ56FFCKD

not attested not anchored not stored refs pending

Constructive Combinatorics of Dickson's Lemma

Iosif Petrakis

arxiv:2204.11298 v1 · 2022-04-24 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJOUEFXXKT2DPZUMDMQ56FFCKD}

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	2026-07-05T04:17:26.320770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b25d4216f754f437e68c1b21df14a250ca16a78d4f3f91a47e901f083d76aa96

Aliases

arxiv: 2204.11298 · arxiv_version: 2204.11298v1 · doi: 10.48550/arxiv.2204.11298 · pith_short_12: WJOUEFXXKT2D · pith_short_16: WJOUEFXXKT2DPZUM · pith_short_8: WJOUEFXX

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/WJOUEFXXKT2DPZUMDMQ56FFCKD \
  | 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: b25d4216f754f437e68c1b21df14a250ca16a78d4f3f91a47e901f083d76aa96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e5889826e813ad0f27e92618cd51b35280f5822a35a49f560532dd0eb08a8dc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2022-04-24T15:09:18Z",
    "title_canon_sha256": "757f3faeba24923532cdcccafa284b8b4cffb44185361e496f39a661d7438802"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.11298",
    "kind": "arxiv",
    "version": 1
  }
}