Pith Number

pith:XQF7RACO

pith:2017:XQF7RACOYVNL32Z2EX7NZ6NWT4

not attested not anchored not stored refs pending

Perfect subsets of generalized Baire spaces and long games

Philipp Schlicht

arxiv:1703.10148 v2 · 2017-03-29 · 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{XQF7RACOYVNL32Z2EX7NZ6NWT4}

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	2026-05-18T00:42:29.076538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc0bf8804ec55abdeb3a25fedcf9b69f2df9f7c4c428232a5a0dd0fb04746333

Aliases

arxiv: 1703.10148 · arxiv_version: 1703.10148v2 · doi: 10.48550/arxiv.1703.10148 · pith_short_12: XQF7RACOYVNL · pith_short_16: XQF7RACOYVNL32Z2 · pith_short_8: XQF7RACO

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/XQF7RACOYVNL32Z2EX7NZ6NWT4 \
  | 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: bc0bf8804ec55abdeb3a25fedcf9b69f2df9f7c4c428232a5a0dd0fb04746333

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c995ce8656104eca4406896b352aa4bc6eae42f724e980d033fcbbfc244cbe0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-03-29T17:27:02Z",
    "title_canon_sha256": "7fd2baf4a771f51c2800a8027dd46353bc4f1ecfce20c708cc761ada59b1efde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10148",
    "kind": "arxiv",
    "version": 2
  }
}