Pith Number

pith:VXQIDSTQ

pith:2015:VXQIDSTQXH545BSYLXT2KRK5OW

not attested not anchored not stored refs pending

Complete Characterization of K-Theory for C*-algebras Associated to Locally Finite Unoriented Graphs

Natalia Iyudu, Nikolay Ivankov

arxiv:1512.08604 v1 · 2015-12-29 · math.OA · 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{VXQIDSTQXH545BSYLXT2KRK5OW}

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	2026-05-18T01:23:37.210117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ade081ca70b9fbce86585de7a5455d75ac5eee9e6f496c70683cc62a1784f208

Aliases

arxiv: 1512.08604 · arxiv_version: 1512.08604v1 · doi: 10.48550/arxiv.1512.08604 · pith_short_12: VXQIDSTQXH54 · pith_short_16: VXQIDSTQXH545BSY · pith_short_8: VXQIDSTQ

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/VXQIDSTQXH545BSYLXT2KRK5OW \
  | 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: ade081ca70b9fbce86585de7a5455d75ac5eee9e6f496c70683cc62a1784f208

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9808d0deb55720449979890259607983bcecc75cfb8e950980af9224cfa197e1",
    "cross_cats_sorted": [
      "math.KT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2015-12-29T05:39:29Z",
    "title_canon_sha256": "a630e4805fa214c74ac2ce57f01d9f8a57371b7e85f7c098be651b0e1abb19d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08604",
    "kind": "arxiv",
    "version": 1
  }
}