Pith Number

pith:P4XWNKWA

pith:2018:P4XWNKWAM4WMLNHVSN5AZNK5GH

not attested not anchored not stored refs pending

The Hrushovski property for hypertournaments and profinite topologies

Daniel Wise, Jingyin Huang, Marcin Sabok, Michael Pawliuk

arxiv:1809.06435 v1 · 2018-09-17 · 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{P4XWNKWAM4WMLNHVSN5AZNK5GH}

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	2026-05-18T00:05:27.213701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f2f66aac0672cc5b4f5937a0cb55d31e937293c359476092768a7a845fd6c4f

Aliases

arxiv: 1809.06435 · arxiv_version: 1809.06435v1 · doi: 10.48550/arxiv.1809.06435 · pith_short_12: P4XWNKWAM4WM · pith_short_16: P4XWNKWAM4WMLNHV · pith_short_8: P4XWNKWA

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/P4XWNKWAM4WMLNHVSN5AZNK5GH \
  | 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: 7f2f66aac0672cc5b4f5937a0cb55d31e937293c359476092768a7a845fd6c4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b138d7eace9caac4985505cdf1500acbac4f51a445637820d7cca6191d281aa8",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-09-17T20:40:09Z",
    "title_canon_sha256": "76d03bf1132eb224fdcb2e83d965aeb325fe3a18fd83099559334b5a14c321bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06435",
    "kind": "arxiv",
    "version": 1
  }
}