Pith Number

pith:T6PVAJ66

pith:2014:T6PVAJ66NS6D7S2NDWFIW5FBU2

not attested not anchored not stored refs pending

When central sequence C*-algebras have characters

Eberhard Kirchberg, Mikael Rordam

arxiv:1409.1395 v2 · 2014-09-04 · 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{T6PVAJ66NS6D7S2NDWFIW5FBU2}

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	2026-05-18T02:32:38.466625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f9f5027de6cbc3fcb4d1d8a8b74a1a6abbc06b4c7333a8c4f8b677ef0bc3f69

Aliases

arxiv: 1409.1395 · arxiv_version: 1409.1395v2 · doi: 10.48550/arxiv.1409.1395 · pith_short_12: T6PVAJ66NS6D · pith_short_16: T6PVAJ66NS6D7S2N · pith_short_8: T6PVAJ66

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/T6PVAJ66NS6D7S2NDWFIW5FBU2 \
  | 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: 9f9f5027de6cbc3fcb4d1d8a8b74a1a6abbc06b4c7333a8c4f8b677ef0bc3f69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d85a53fe658b1949e8829687b4ce57a97e2f6855eca4991c1b289ecfe85fc4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2014-09-04T10:32:17Z",
    "title_canon_sha256": "5162bcd826c15550393c80b9639ceda31587db3c974fa1c8ec5f76add0b41182"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1395",
    "kind": "arxiv",
    "version": 2
  }
}