Pith Number

pith:F5HK55XD

pith:2011:F5HK55XDH2RZURXYMW7IJRXXQA

not attested not anchored not stored refs pending

Fundamental group of uniquely ergodic Cantor minimal systems

Norio Nawata

arxiv:1107.2493 v2 · 2011-07-13 · math.DS · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F5HK55XDH2RZURXYMW7IJRXXQA}

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	2026-05-18T04:16:11.480590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f4eaef6e33ea39a46f865be84c6f780379c94c9e9ba3383604c54da14181117

Aliases

arxiv: 1107.2493 · arxiv_version: 1107.2493v2 · doi: 10.48550/arxiv.1107.2493 · pith_short_12: F5HK55XDH2RZ · pith_short_16: F5HK55XDH2RZURXY · pith_short_8: F5HK55XD

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/F5HK55XDH2RZURXYMW7IJRXXQA \
  | 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: 2f4eaef6e33ea39a46f865be84c6f780379c94c9e9ba3383604c54da14181117

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a111615b5033c29b8e0eff3e197649ed203d88a6827cee015f820be73b4cbaab",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-07-13T09:10:34Z",
    "title_canon_sha256": "777f3d84cd307d8ea93b5f9db2c005958d1a97f9a7fcfa0c010486071024407c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2493",
    "kind": "arxiv",
    "version": 2
  }
}