Pith Number

pith:NYISDNBW

pith:2018:NYISDNBWHHCRQZ7FPJEOJNNRYF

not attested not anchored not stored refs pending

Dickson's Lemma, Higman's Theorem and Beyond: a survey of some basic results in order theory

Erhard Aichinger, Florian Aichinger

arxiv:1812.03024 v1 · 2018-12-07 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NYISDNBWHHCRQZ7FPJEOJNNRYF}

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	2026-07-05T06:15:40.487402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e1121b43639c51867e57a48e4b5b1c14ceaa0c214f5553d4bb1ddfd4dcb9a01

Aliases

arxiv: 1812.03024 · arxiv_version: 1812.03024v1 · doi: 10.48550/arxiv.1812.03024 · pith_short_12: NYISDNBWHHCR · pith_short_16: NYISDNBWHHCRQZ7F · pith_short_8: NYISDNBW

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/NYISDNBWHHCRQZ7FPJEOJNNRYF \
  | 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: 6e1121b43639c51867e57a48e4b5b1c14ceaa0c214f5553d4bb1ddfd4dcb9a01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50e4a8932581f249e0bcde29b81e6aa01db7fb56bb0f4ee54342d3bc1d200cc2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-12-07T13:40:08Z",
    "title_canon_sha256": "616a41622a7366db2528aa47c5b11062fbb01946adba3aab713a777524c93958"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03024",
    "kind": "arxiv",
    "version": 1
  }
}