Pith Number

pith:C4YWNW7P

pith:2017:C4YWNW7PXQSMINRPWMJGYNCGKP

not attested not anchored not stored refs pending

Logic and $\mathrm{C}^*$-algebras: set theoretical dichotomies in the theory of continuous quotients

Alessandro Vignati

arxiv:1706.06393 v1 · 2017-06-20 · math.LO · math.GN · 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{C4YWNW7PXQSMINRPWMJGYNCGKP}

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	2026-05-18T00:42:03.347742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

173166dbefbc24c4362fb3126c344653f9972557d9635fb499818b2e1957474f

Aliases

arxiv: 1706.06393 · arxiv_version: 1706.06393v1 · doi: 10.48550/arxiv.1706.06393 · pith_short_12: C4YWNW7PXQSM · pith_short_16: C4YWNW7PXQSMINRP · pith_short_8: C4YWNW7P

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/C4YWNW7PXQSMINRPWMJGYNCGKP \
  | 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: 173166dbefbc24c4362fb3126c344653f9972557d9635fb499818b2e1957474f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4440533bf880b4ad794898a7e511ecbb61ee3389355ca386322e707d29a2829f",
    "cross_cats_sorted": [
      "math.GN",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-06-20T12:45:36Z",
    "title_canon_sha256": "d93cbd0cfa97b94e4e726588bf91cbec55dd5447fbdc97266f073cbec959d711"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06393",
    "kind": "arxiv",
    "version": 1
  }
}