Pith Number

pith:UZQPUGA5

pith:2007:UZQPUGA532WHGK5DO7LC4R4X5B

not attested not anchored not stored refs pending

Limits and C*-algebras of low rank or dimension

Gert K. Pedersen, Lawrence G. Brown

arxiv:0708.2727 v1 · 2007-08-20 · 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{UZQPUGA532WHGK5DO7LC4R4X5B}

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	2026-05-18T00:42:49.391293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a660fa181ddeac732ba377d62e4797e86a23e5f6cb8332a96108ca5e2e1ccc0f

Aliases

arxiv: 0708.2727 · arxiv_version: 0708.2727v1 · doi: 10.48550/arxiv.0708.2727 · pith_short_12: UZQPUGA532WH · pith_short_16: UZQPUGA532WHGK5D · pith_short_8: UZQPUGA5

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/UZQPUGA532WHGK5DO7LC4R4X5B \
  | 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: a660fa181ddeac732ba377d62e4797e86a23e5f6cb8332a96108ca5e2e1ccc0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05d0dd3a3a32a7ade43712279c4eccba4936379a42e7b01f0bb300fe76b32126",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.OA",
    "submitted_at": "2007-08-20T20:39:54Z",
    "title_canon_sha256": "01a95567b31f4478850417932852a3fbc67cd3efda505ad472bffbf5ce749387"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.2727",
    "kind": "arxiv",
    "version": 1
  }
}