Pith Number

pith:KSVNM5EU

pith:2015:KSVNM5EUBCC3KD764SYEOBA2UN

not attested not anchored not stored refs pending

A note on full free product C*-algebras, lifting and quasidiagonality

Florin P. Boca

arxiv:1508.03123 v1 · 2015-08-13 · 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{KSVNM5EUBCC3KD764SYEOBA2UN}

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	2026-05-18T01:35:21.651444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54aad674940885b50ffee4b047041aa37c0af8028ba0f55f90538315a7c16521

Aliases

arxiv: 1508.03123 · arxiv_version: 1508.03123v1 · doi: 10.48550/arxiv.1508.03123 · pith_short_12: KSVNM5EUBCC3 · pith_short_16: KSVNM5EUBCC3KD76 · pith_short_8: KSVNM5EU

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/KSVNM5EUBCC3KD764SYEOBA2UN \
  | 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: 54aad674940885b50ffee4b047041aa37c0af8028ba0f55f90538315a7c16521

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e8e51199a2ac9a0bfcead92e46ff5d36669fab65132cbae40a732c1e3defcb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2015-08-13T05:31:40Z",
    "title_canon_sha256": "6a57baed6d0cd1f5a21923d3f7ca1a306afd5b7494c15497424c52c21f17a713"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03123",
    "kind": "arxiv",
    "version": 1
  }
}