Pith Number

pith:U7E5K3CK

pith:2014:U7E5K3CKSLJWGIMVIPCQFRM63O

not attested not anchored not stored refs pending

Similarity degree of a class of C$^*$-algebras

Junhao Shen, Wenhua Qian

arxiv:1407.1348 v3 · 2014-07-05 · 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{U7E5K3CKSLJWGIMVIPCQFRM63O}

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	2026-05-18T01:34:55.420214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7c9d56c4a92d363219543c502c59edbb295ead331d6f1b34ddf9be1953fc4c7

Aliases

arxiv: 1407.1348 · arxiv_version: 1407.1348v3 · doi: 10.48550/arxiv.1407.1348 · pith_short_12: U7E5K3CKSLJW · pith_short_16: U7E5K3CKSLJWGIMV · pith_short_8: U7E5K3CK

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/U7E5K3CKSLJWGIMVIPCQFRM63O \
  | 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: a7c9d56c4a92d363219543c502c59edbb295ead331d6f1b34ddf9be1953fc4c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50da064a2d811c072014a62840a7391d7c7561745a1e8596bbd742644adf73ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2014-07-05T00:18:59Z",
    "title_canon_sha256": "5221bb5ab3576ea7220f0ff656d60e2e15e59814940d5de484a65e211e81614a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1348",
    "kind": "arxiv",
    "version": 3
  }
}