Pith Number

pith:H4Q6UP7T

pith:2012:H4Q6UP7TNL3Y6EUUC6OYKCK7TB

not attested not anchored not stored refs pending

Finite generators for countable group actions in the Borel and Baire category settings

Anush Tserunyan

arxiv:1204.0829 v2 · 2012-04-03 · math.LO · 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{H4Q6UP7TNL3Y6EUUC6OYKCK7TB}

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	2026-05-18T02:37:59.065566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f21ea3ff36af78f1294179d85095f98560600be308fe5a530e18c5501277a79

Aliases

arxiv: 1204.0829 · arxiv_version: 1204.0829v2 · doi: 10.48550/arxiv.1204.0829 · pith_short_12: H4Q6UP7TNL3Y · pith_short_16: H4Q6UP7TNL3Y6EUU · pith_short_8: H4Q6UP7T

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/H4Q6UP7TNL3Y6EUUC6OYKCK7TB \
  | 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: 3f21ea3ff36af78f1294179d85095f98560600be308fe5a530e18c5501277a79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f02f1ff216264a404c904e38feafa570bb125b71fcc44cff6e4bf0ebc279a86",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-04-03T22:59:18Z",
    "title_canon_sha256": "19af3747b7b4fee6366760f0e3c9c4bf9e2fd8dac3297f74a72a612a70a84188"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0829",
    "kind": "arxiv",
    "version": 2
  }
}