Pith Number

pith:IORJN3BD

pith:2009:IORJN3BDTLOSFEG5B2A7FLCHAR

not attested not anchored not stored refs pending

The Feichtinger conjecture for reproducing kernels in model subspaces

Anton Baranov, Konstantin Dyakonov

arxiv:0906.2158 v1 · 2009-06-11 · math.CV · 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{IORJN3BDTLOSFEG5B2A7FLCHAR}

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	2026-05-18T04:05:47.009210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43a296ec239add2290dd0e81f2ac47047616fcaa0033ebb501c915ed41e1c9d1

Aliases

arxiv: 0906.2158 · arxiv_version: 0906.2158v1 · doi: 10.48550/arxiv.0906.2158 · pith_short_12: IORJN3BDTLOS · pith_short_16: IORJN3BDTLOSFEG5 · pith_short_8: IORJN3BD

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/IORJN3BDTLOSFEG5B2A7FLCHAR \
  | 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: 43a296ec239add2290dd0e81f2ac47047616fcaa0033ebb501c915ed41e1c9d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "582e80f53f2798c82a16ce966b9aad5e30bba58594fd8754d05946d19cbedd0e",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2009-06-11T16:57:09Z",
    "title_canon_sha256": "e5215c5f1561101476845eda1e1e1d5d10ebbe6b3dbf51fdbacc11fa097829a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2158",
    "kind": "arxiv",
    "version": 1
  }
}