Pith Number

pith:OWXMBZW3

pith:2004:OWXMBZW3JRSR7SNADBETBVPWO7

not attested not anchored not stored refs pending

Covering the Baire space by families which are not finitely dominating

Boaz Tsaban, Heike Mildenberger, Saharon Shelah

arxiv:math/0407487 v4 · 2004-07-28 · math.LO · math.CO · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OWXMBZW3JRSR7SNADBETBVPWO7}

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	2026-05-18T04:37:23.170978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75aec0e6db4c651fc9a0184930d5f677dba99fade8d8608607f81e48d1fb0b80

Aliases

arxiv: math/0407487 · arxiv_version: math/0407487v4 · doi: 10.48550/arxiv.math/0407487 · pith_short_12: OWXMBZW3JRSR · pith_short_16: OWXMBZW3JRSR7SNA · pith_short_8: OWXMBZW3

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/OWXMBZW3JRSR7SNADBETBVPWO7 \
  | 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: 75aec0e6db4c651fc9a0184930d5f677dba99fade8d8608607f81e48d1fb0b80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b575723d052ca765d675e367f6d31976786b24223744b42c77c8b8a1acca9f2",
    "cross_cats_sorted": [
      "math.CO",
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2004-07-28T14:23:21Z",
    "title_canon_sha256": "c0d123c6d686ad7fb4f38470d0afb8b2e1bc0f2164c66e976f23b1ae916984b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0407487",
    "kind": "arxiv",
    "version": 4
  }
}