Pith Number

pith:343AJYCB

pith:2014:343AJYCBC4BP27YOCWUP5UENPZ

not attested not anchored not stored refs pending

The isomorphism problem for semigroup C*-algebras of right-angled Artin monoids

Efren Ruiz, S{\o}ren Eilers, Xin Li

arxiv:1409.6632 v1 · 2014-09-23 · 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{343AJYCBC4BP27YOCWUP5UENPZ}

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	2026-05-18T02:42:06.623623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df3604e0411702fd7f0e15a8fed08d7e7f5772bdf5df1ef23813b884a62345f4

Aliases

arxiv: 1409.6632 · arxiv_version: 1409.6632v1 · doi: 10.48550/arxiv.1409.6632 · pith_short_12: 343AJYCBC4BP · pith_short_16: 343AJYCBC4BP27YO · pith_short_8: 343AJYCB

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/343AJYCBC4BP27YOCWUP5UENPZ \
  | 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: df3604e0411702fd7f0e15a8fed08d7e7f5772bdf5df1ef23813b884a62345f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ec9a7f9cf0f1b8dd6b3d37db1224d58e5207831ae5f83aafc9305208e79e9cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2014-09-23T15:32:05Z",
    "title_canon_sha256": "aee516ecd9762493b51935eb98a6eeac9aedef5f6a9c3ca77c6b8e09c326b9c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6632",
    "kind": "arxiv",
    "version": 1
  }
}