Pith Number

pith:KQSRR7VL

pith:2011:KQSRR7VLH3764VMWXXYKKWEHSF

not attested not anchored not stored refs pending

Representation formulas for Hardy space functions through the Cuntz relations and new interpolation problems

Daniel Alpay, Itzik Martziano, Izchak Lewkowicz, Palle Jorgensen

arxiv:1104.0621 v2 · 2011-04-04 · 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{KQSRR7VLH3764VMWXXYKKWEHSF}

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	2026-05-18T03:36:06.673065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

542518feab3effee5596bdf0a5588791751f2b858eea5452476c7f6b72fbf10b

Aliases

arxiv: 1104.0621 · arxiv_version: 1104.0621v2 · doi: 10.48550/arxiv.1104.0621 · pith_short_12: KQSRR7VLH376 · pith_short_16: KQSRR7VLH3764VMW · pith_short_8: KQSRR7VL

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/KQSRR7VLH3764VMWXXYKKWEHSF \
  | 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: 542518feab3effee5596bdf0a5588791751f2b858eea5452476c7f6b72fbf10b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11a7956f36d4f9247e9cc5157d77dd7256f5342939d2a207c37ceb9c00b84ed0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2011-04-04T16:42:07Z",
    "title_canon_sha256": "6a13c8077e2aba37de340f732d9efa0d182b501d240979d9d61978645e454cfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0621",
    "kind": "arxiv",
    "version": 2
  }
}