Pith Number

pith:6AMAB6UB

pith:2010:6AMAB6UBZMWT44FYL36EUSFG7H

not attested not anchored not stored refs pending

K-theory of locally finite graph $C^*$-algebras

Natalia Iyudu

arxiv:1007.3952 v5 · 2010-07-22 · math.OA · math.GR · math.KT · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6AMAB6UBZMWT44FYL36EUSFG7H}

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	2026-05-18T03:26:10.633238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f01800fa81cb2d3e70b85efc4a48a6f9e486dc546986ac91a981613640afe21f

Aliases

arxiv: 1007.3952 · arxiv_version: 1007.3952v5 · doi: 10.48550/arxiv.1007.3952 · pith_short_12: 6AMAB6UBZMWT · pith_short_16: 6AMAB6UBZMWT44FY · pith_short_8: 6AMAB6UB

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/6AMAB6UBZMWT44FYL36EUSFG7H \
  | 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: f01800fa81cb2d3e70b85efc4a48a6f9e486dc546986ac91a981613640afe21f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2a2eccea37a2be2f69888fbb4066d4f45a29e1703a788024eac18f592b2e5ce",
    "cross_cats_sorted": [
      "math.GR",
      "math.KT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2010-07-22T17:39:07Z",
    "title_canon_sha256": "525b18cfb6110c3a118ddd528cc3a1efc35cca894216ba87fc67647d757082f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3952",
    "kind": "arxiv",
    "version": 5
  }
}