Pith Number

pith:NWW6BDYC

pith:2014:NWW6BDYCRAA7BHELWAYA2MZTK7

not attested not anchored not stored refs pending

The C*-algebras of compact transformation groups

Astrid an Huef, Robert Archbold

arxiv:1401.1231 v2 · 2014-01-06 · 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{NWW6BDYCRAA7BHELWAYA2MZTK7}

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	2026-05-18T01:34:45.741880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dade08f028801f09c8bb0300d333357c45ae9cbbc53ee6fa8d1d5630f68ea9f

Aliases

arxiv: 1401.1231 · arxiv_version: 1401.1231v2 · doi: 10.48550/arxiv.1401.1231 · pith_short_12: NWW6BDYCRAA7 · pith_short_16: NWW6BDYCRAA7BHEL · pith_short_8: NWW6BDYC

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/NWW6BDYCRAA7BHELWAYA2MZTK7 \
  | 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: 6dade08f028801f09c8bb0300d333357c45ae9cbbc53ee6fa8d1d5630f68ea9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ebd3ffa6cc02318ffee063665d3c762698090759825d66d82b48c2608e1cb4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2014-01-06T22:20:52Z",
    "title_canon_sha256": "c49613bfced7e9fcd639786667c2bcf79c0e3660fbdad164bb672c08c92bcb4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1231",
    "kind": "arxiv",
    "version": 2
  }
}