Pith Number

pith:7USAZOCD

pith:2010:7USAZOCDP64GZY7EAWDIJWMXVH

not attested not anchored not stored refs pending

Homotopy classification of projections in the corona algebra of a non-simple $C\sp *$-algebra

Hyun Ho Lee, Lawrence G. Brown

arxiv:1010.1936 v1 · 2010-10-10 · math.OA · math.FA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7USAZOCDP64GZY7EAWDIJWMXVH}

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	2026-05-18T04:39:30.022548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd240cb8437fb86ce3e4058684d997a9f8b941a55aaea67830bfef80ce1a122e

Aliases

arxiv: 1010.1936 · arxiv_version: 1010.1936v1 · doi: 10.48550/arxiv.1010.1936 · pith_short_12: 7USAZOCDP64G · pith_short_16: 7USAZOCDP64GZY7E · pith_short_8: 7USAZOCD

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/7USAZOCDP64GZY7EAWDIJWMXVH \
  | 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: fd240cb8437fb86ce3e4058684d997a9f8b941a55aaea67830bfef80ce1a122e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98cbccb4bf63487f298e36a75018e8b4fe476b8198bf82fbe463baf2d623489b",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2010-10-10T16:26:54Z",
    "title_canon_sha256": "c3e380c67f5454b0faa0b4f59be64277072dfeb2c7f6a9a1f067a36404de97c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1936",
    "kind": "arxiv",
    "version": 1
  }
}