Pith Number

pith:CQSCHKFK

pith:2014:CQSCHKFKXRWWAHPKKOBJNAPD3Z

not attested not anchored not stored refs pending

On the Gelfand space of the measure algebra on the circle group

Micha{\l} Wojciechowski, Przemys{\l}aw Ohrysko

arxiv:1406.0797 v2 · 2014-06-03 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CQSCHKFKXRWWAHPKKOBJNAPD3Z}

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	2026-05-18T02:32:53.868424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

142423a8aabc6d601dea53829681e3de49edbf237497a6f130bc12537756df61

Aliases

arxiv: 1406.0797 · arxiv_version: 1406.0797v2 · doi: 10.48550/arxiv.1406.0797 · pith_short_12: CQSCHKFKXRWW · pith_short_16: CQSCHKFKXRWWAHPK · pith_short_8: CQSCHKFK

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/CQSCHKFKXRWWAHPKKOBJNAPD3Z \
  | 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: 142423a8aabc6d601dea53829681e3de49edbf237497a6f130bc12537756df61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "881ee10694b11e461218dac72927b1175b279b875588ad75bbaf5bfc7bc36734",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-06-03T17:35:39Z",
    "title_canon_sha256": "28f2d6adad1076d24d3568372df373d4114aedba91b4a669170d550834ca7875"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.0797",
    "kind": "arxiv",
    "version": 2
  }
}