Pith Number

pith:JRC3I5NN

pith:2004:JRC3I5NN6DMKMWM7J3QKRK2KWF

not attested not anchored not stored refs pending

Characterizations of noncommutative $H^\infty$

David P. Blecher, Louis E. Labuschagne

arxiv:math/0411591 v2 · 2004-11-26 · 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{JRC3I5NN6DMKMWM7J3QKRK2KWF}

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	2026-07-04T14:39:24.597023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c45b475adf0d8a6599f4ee0a8ab4ab1720df399af65d32e673662c7c7cd2e11

Aliases

arxiv: math/0411591 · arxiv_version: math/0411591v2 · doi: 10.48550/arxiv.math/0411591 · pith_short_12: JRC3I5NN6DMK · pith_short_16: JRC3I5NN6DMKMWM7 · pith_short_8: JRC3I5NN

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/JRC3I5NN6DMKMWM7J3QKRK2KWF \
  | 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: 4c45b475adf0d8a6599f4ee0a8ab4ab1720df399af65d32e673662c7c7cd2e11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f572feb15b59557b0545e6780e5097e5b2c2ba4b4a42031a59fde7e3edabaa6b",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "",
    "primary_cat": "math.OA",
    "submitted_at": "2004-11-26T10:57:24Z",
    "title_canon_sha256": "04b5933728229f3178856b0ae7aa812ee57b3bc0e039d20be5419fbd65595707"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0411591",
    "kind": "arxiv",
    "version": 2
  }
}