Pith Number

pith:JG4HHODU

pith:2013:JG4HHODUXGAMBQAU7BICGQDHTG

not attested not anchored not stored refs pending

Seven characterizations of non-meager P-filters

Andrea Medini, Kenneth Kunen, Lyubomyr Zdomskyy

arxiv:1311.1677 v2 · 2013-11-07 · math.GN · 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{JG4HHODUXGAMBQAU7BICGQDHTG}

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	2026-05-18T02:41:08.857086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49b873b874b980c0c014f85023406799a28b6f13694c3854692981120b8bd13f

Aliases

arxiv: 1311.1677 · arxiv_version: 1311.1677v2 · doi: 10.48550/arxiv.1311.1677 · pith_short_12: JG4HHODUXGAM · pith_short_16: JG4HHODUXGAMBQAU · pith_short_8: JG4HHODU

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/JG4HHODUXGAMBQAU7BICGQDHTG \
  | 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: 49b873b874b980c0c014f85023406799a28b6f13694c3854692981120b8bd13f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe935b7737aca798479ad0478beeb25cc3d940c3755a1e082121b373f4c1e2eb",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2013-11-07T13:35:30Z",
    "title_canon_sha256": "4ca77456ec2e195e0076400d89c6f0bc2249482f6255575ba34aa3c5bddbd3e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1677",
    "kind": "arxiv",
    "version": 2
  }
}