Pith Number

pith:BYD2Z6AW

pith:2007:BYD2Z6AWUUGGEM4Z2ECH7LOVRG

not attested not anchored not stored refs pending

The noncommutative Choquet boundary

William Arveson

arxiv:math/0701329 v4 · 2007-01-11 · 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{BYD2Z6AWUUGGEM4Z2ECH7LOVRG}

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	2026-05-18T01:38:23.376909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e07acf816a50c623399d1047fadd5898a963db8df2255695f4912b7760155b5

Aliases

arxiv: math/0701329 · arxiv_version: math/0701329v4 · doi: 10.48550/arxiv.math/0701329 · pith_short_12: BYD2Z6AWUUGG · pith_short_16: BYD2Z6AWUUGGEM4Z · pith_short_8: BYD2Z6AW

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/BYD2Z6AWUUGGEM4Z2ECH7LOVRG \
  | 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: 0e07acf816a50c623399d1047fadd5898a963db8df2255695f4912b7760155b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52237018c875b879b4485e69dd7ff9d11d98966a3979f5c88f60451c2d3b5f28",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "",
    "primary_cat": "math.OA",
    "submitted_at": "2007-01-11T19:16:35Z",
    "title_canon_sha256": "a25d4437811b57d18a981b5a8a1141fb144735a0073b460d4756537213c055cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0701329",
    "kind": "arxiv",
    "version": 4
  }
}