Pith Number

pith:5JSBW6P2

pith:2013:5JSBW6P2KL4MBW2B6WTIZVDKVN

not attested not anchored not stored refs pending

The Choquet boundary of an operator system

Kenneth R. Davidson, Matthew Kennedy

arxiv:1303.3252 v2 · 2013-03-13 · 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{5JSBW6P2KL4MBW2B6WTIZVDKVN}

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	2026-05-18T01:21:05.639648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea641b79fa52f8c0db41f5a68cd46aab6a4d20f128639d52901f4216588be43f

Aliases

arxiv: 1303.3252 · arxiv_version: 1303.3252v2 · doi: 10.48550/arxiv.1303.3252 · pith_short_12: 5JSBW6P2KL4M · pith_short_16: 5JSBW6P2KL4MBW2B · pith_short_8: 5JSBW6P2

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/5JSBW6P2KL4MBW2B6WTIZVDKVN \
  | 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: ea641b79fa52f8c0db41f5a68cd46aab6a4d20f128639d52901f4216588be43f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "166b20b5598673f8b054ab12ba24f75332fad8074c8e97ba4a0f518c1357b2a9",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2013-03-13T19:03:12Z",
    "title_canon_sha256": "6cf956ba9c2e3a531418807ad04c5a84f67f78a54d7110faaed8f6712562319e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3252",
    "kind": "arxiv",
    "version": 2
  }
}