Pith Number

pith:CWK5XLSL

pith:2006:CWK5XLSLB3DXF6IG6KVQOXNHOX

not attested not anchored not stored refs pending

Existence of $E_0$--Semigroups for Arveson Systems: Making Two Proofs into One

Michael Skeide

arxiv:math/0605480 v1 · 2006-05-17 · 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{CWK5XLSLB3DXF6IG6KVQOXNHOX}

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	2026-05-18T03:06:43.234470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1595dbae4b0ec772f906f2ab075da775fb579ee86df3fd82f46e254b6a5bf36b

Aliases

arxiv: math/0605480 · arxiv_version: math/0605480v1 · doi: 10.48550/arxiv.math/0605480 · pith_short_12: CWK5XLSLB3DX · pith_short_16: CWK5XLSLB3DXF6IG · pith_short_8: CWK5XLSL

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/CWK5XLSLB3DXF6IG6KVQOXNHOX \
  | 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: 1595dbae4b0ec772f906f2ab075da775fb579ee86df3fd82f46e254b6a5bf36b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70a361b50a016394d871efce296125b6bce445c33268ded0291705373bd2a9ed",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.OA",
    "submitted_at": "2006-05-17T14:52:24Z",
    "title_canon_sha256": "b3d0e0db8739b383a49bafab2969667b7d590d603510cffc2897b59003806a56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0605480",
    "kind": "arxiv",
    "version": 1
  }
}