Pith Number

pith:BQ5Q75H2

pith:2016:BQ5Q75H2ZXSKPDMOYCMRPZF2OQ

not attested not anchored not stored refs pending

C*-algebras of Boolean inverse monoids - traces and invariant means

Charles Starling

arxiv:1605.05189 v3 · 2016-05-17 · math.OA · math.CT · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BQ5Q75H2ZXSKPDMOYCMRPZF2OQ}

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	2026-05-18T01:10:55.362259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c3b0ff4facde4a78d8ec09917e4ba74186feca0a5150c83876f1d3215e03c0a

Aliases

arxiv: 1605.05189 · arxiv_version: 1605.05189v3 · doi: 10.48550/arxiv.1605.05189 · pith_short_12: BQ5Q75H2ZXSK · pith_short_16: BQ5Q75H2ZXSKPDMO · pith_short_8: BQ5Q75H2

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/BQ5Q75H2ZXSKPDMOYCMRPZF2OQ \
  | 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: 0c3b0ff4facde4a78d8ec09917e4ba74186feca0a5150c83876f1d3215e03c0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "357f5a38c87fadeaff5b053df7875dfcad02f0cf013a5dc28139c2744fcaff0e",
    "cross_cats_sorted": [
      "math.CT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2016-05-17T14:36:54Z",
    "title_canon_sha256": "87d507cc3538411633386ce8818ddacf8c959e759613e662b1b295053231db6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.05189",
    "kind": "arxiv",
    "version": 3
  }
}