Pith Number

pith:34R6R64H

pith:2026:34R6R64HMNP6XY2P6UXB7KAKNR

not attested not anchored not stored refs pending

A simple proof that the Riesz projection is bounded on $L^p(\mathbb{T})$ for $1<p<\infty$

Ole Fredrik Brevig

arxiv:2606.05190 v1 · 2026-05-06 · 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{34R6R64HMNP6XY2P6UXB7KAKNR}

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	2026-06-05T00:13:48.220629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df23e8fb87635febe34ff52e1fa80a6c40ad49aa3d669048fe6f1844b28299ef

Aliases

arxiv: 2606.05190 · arxiv_version: 2606.05190v1 · doi: 10.48550/arxiv.2606.05190 · pith_short_12: 34R6R64HMNP6 · pith_short_16: 34R6R64HMNP6XY2P · pith_short_8: 34R6R64H

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/34R6R64HMNP6XY2P6UXB7KAKNR \
  | 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: df23e8fb87635febe34ff52e1fa80a6c40ad49aa3d669048fe6f1844b28299ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1aa21de6cd570b5e38f8da5128c57e08c64738fc571d2bc582c3449344f80e88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2026-05-06T07:26:13Z",
    "title_canon_sha256": "ec848220af07b051aa24725956b80ba37fb97746bd0905008d747f5a62c84081"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05190",
    "kind": "arxiv",
    "version": 1
  }
}