Pith Number

pith:XOHCQIQ7

pith:2017:XOHCQIQ7UJ33M5B7CTQ3K3Y3QH

not attested not anchored not stored refs pending

J\'onsson posets

Maurice Pouzet, Roland Assous

arxiv:1712.09442 v1 · 2017-12-22 · math.LO · 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{XOHCQIQ7UJ33M5B7CTQ3K3Y3QH}

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	2026-05-18T00:27:08.413589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb8e28221fa277b6743f14e1b56f1b81d80c6c092e31f2d6e2ba8a3363cd107d

Aliases

arxiv: 1712.09442 · arxiv_version: 1712.09442v1 · doi: 10.48550/arxiv.1712.09442 · pith_short_12: XOHCQIQ7UJ33 · pith_short_16: XOHCQIQ7UJ33M5B7 · pith_short_8: XOHCQIQ7

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/XOHCQIQ7UJ33M5B7CTQ3K3Y3QH \
  | 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: bb8e28221fa277b6743f14e1b56f1b81d80c6c092e31f2d6e2ba8a3363cd107d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37416e12c0c32bebdf14146c1f2c42d31948af587ad5656291b1b24b16cbfae3",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-12-22T15:25:43Z",
    "title_canon_sha256": "05cc47a8ff177b7353e40444c6116d7b29fd00c67823b38045d706d987da5778"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09442",
    "kind": "arxiv",
    "version": 1
  }
}