Pith Number

pith:U6K4YRTN

pith:2013:U6K4YRTN45VMC6NYCCM37WKIPO

not attested not anchored not stored refs pending

Unit spectra of K-theory from strongly self-absorbing C*-algebras

Marius Dadarlat, Ulrich Pennig

arxiv:1306.2583 v1 · 2013-06-11 · math.AT · math.KT · 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{U6K4YRTN45VMC6NYCCM37WKIPO}

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	2026-05-18T01:34:13.749794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a795cc466de76ac179b81099bfd9487bac3445570f9979d6c0fbeab0738facbc

Aliases

arxiv: 1306.2583 · arxiv_version: 1306.2583v1 · doi: 10.48550/arxiv.1306.2583 · pith_short_12: U6K4YRTN45VM · pith_short_16: U6K4YRTN45VMC6NY · pith_short_8: U6K4YRTN

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/U6K4YRTN45VMC6NYCCM37WKIPO \
  | 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: a795cc466de76ac179b81099bfd9487bac3445570f9979d6c0fbeab0738facbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05adf3051055301c1745a803798ba71610b6d0212c4f5a15812e5b5879c30919",
    "cross_cats_sorted": [
      "math.KT",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-06-11T17:06:43Z",
    "title_canon_sha256": "96607541a59c38fcda69a38ec58ed794988807600a77ec4e98b3b0c67b25053c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2583",
    "kind": "arxiv",
    "version": 1
  }
}