Pith Number

pith:WZ7QTERU

pith:2010:WZ7QTERUKTMHRR6MI5DEU4EXLZ

not attested not anchored not stored refs pending

Comparability of clopen sets in a zero-dimensional dynamical system

Hisatoshi Yuasa

arxiv:1008.0180 v1 · 2010-08-01 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WZ7QTERUKTMHRR6MI5DEU4EXLZ}

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	2026-05-18T04:42:43.857091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b67f09923454d878c7cc47464a70975e7f1e858ea83a16674c5edcd9b8a61c4b

Aliases

arxiv: 1008.0180 · arxiv_version: 1008.0180v1 · doi: 10.48550/arxiv.1008.0180 · pith_short_12: WZ7QTERUKTMH · pith_short_16: WZ7QTERUKTMHRR6M · pith_short_8: WZ7QTERU

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/WZ7QTERUKTMHRR6MI5DEU4EXLZ \
  | 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: b67f09923454d878c7cc47464a70975e7f1e858ea83a16674c5edcd9b8a61c4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47eada543d1155743a67b142aae6518af0c1335483e17228f0c0562d0e3e252a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2010-08-01T15:25:49Z",
    "title_canon_sha256": "ebd02efd8a7c260624a1a060356c34185e2b112e51cd8dda26c091c84ea128ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0180",
    "kind": "arxiv",
    "version": 1
  }
}