Pith Number

pith:IRHUBT3I

pith:2021:IRHUBT3IVEF6TR5D7AKAZAR62Q

not attested not anchored not stored refs pending

Asymptotically sharp discrete nonlinear Hausdorff-Young inequalities for the SU(1,1)-valued Fourier products

Diogo Oliveira e Silva, Jelena Rup\v{c}i\'c, Vjekoslav Kova\v{c}

arxiv:2109.06532 v2 · 2021-09-14 · math.CA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IRHUBT3IVEF6TR5D7AKAZAR62Q}

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	2026-07-05T06:42:55.281447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

444f40cf68a90be9c7a3f8140c823ed43f4ffb83297a18e0cfd871b829f2121c

Aliases

arxiv: 2109.06532 · arxiv_version: 2109.06532v2 · doi: 10.48550/arxiv.2109.06532 · pith_short_12: IRHUBT3IVEF6 · pith_short_16: IRHUBT3IVEF6TR5D · pith_short_8: IRHUBT3I

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/IRHUBT3IVEF6TR5D7AKAZAR62Q \
  | 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: 444f40cf68a90be9c7a3f8140c823ed43f4ffb83297a18e0cfd871b829f2121c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e714489e7ccbcd52b0c51373e022553f163efdf3d5613f5c2b07c713482d018",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2021-09-14T09:01:47Z",
    "title_canon_sha256": "dcfe021b561816716b87cc6edc4ea75dc9130c4067f2fe2bfa6704361d5c2e9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06532",
    "kind": "arxiv",
    "version": 2
  }
}