Pith Number

pith:BDGA5JWJ

pith:2015:BDGA5JWJZKNOYP2RC7O2A5UXVV

not attested not anchored not stored refs pending

Free Actions on C*-algebra Suspensions and Joins by Finite Cyclic Groups

Benjamin Passer

arxiv:1510.04100 v4 · 2015-10-14 · math.OA · math.GN · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDGA5JWJZKNOYP2RC7O2A5UXVV}

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	2026-05-17T23:41:37.624889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08cc0ea6c9ca9aec3f5117dda07697ad6c6751b2e2a04d8f7e434866c3e4ba08

Aliases

arxiv: 1510.04100 · arxiv_version: 1510.04100v4 · doi: 10.48550/arxiv.1510.04100 · pith_short_12: BDGA5JWJZKNO · pith_short_16: BDGA5JWJZKNOYP2R · pith_short_8: BDGA5JWJ

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/BDGA5JWJZKNOYP2RC7O2A5UXVV \
  | 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: 08cc0ea6c9ca9aec3f5117dda07697ad6c6751b2e2a04d8f7e434866c3e4ba08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df4433dd8d7f1710e81276776f1b68ac6734a1c2a5cec1737e660593f7e57595",
    "cross_cats_sorted": [
      "math.GN",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2015-10-14T14:02:02Z",
    "title_canon_sha256": "3678cb09849bde764091e7ed96321ec9590fd4cd5a9e59bfdf655d401380bf94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04100",
    "kind": "arxiv",
    "version": 4
  }
}