Pith Number

pith:CX6WWEFB

pith:2014:CX6WWEFBQY7RIDR5JILRBSSGTQ

not attested not anchored not stored refs pending

Convexity, Moduli of Smoothness and a Jackson-Type Inequality

Andriy Prymak, Zeev Ditzian

arxiv:1403.3632 v1 · 2014-03-14 · 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{CX6WWEFBQY7RIDR5JILRBSSGTQ}

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	2026-05-18T02:56:19.841666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15fd6b10a1863f140e3d4a1710ca469c2df1cadd5dfbcca9900ec280b91f3b26

Aliases

arxiv: 1403.3632 · arxiv_version: 1403.3632v1 · doi: 10.48550/arxiv.1403.3632 · pith_short_12: CX6WWEFBQY7R · pith_short_16: CX6WWEFBQY7RIDR5 · pith_short_8: CX6WWEFB

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/CX6WWEFBQY7RIDR5JILRBSSGTQ \
  | 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: 15fd6b10a1863f140e3d4a1710ca469c2df1cadd5dfbcca9900ec280b91f3b26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09f7521a7079eaf6c10e6924c73231e9e8ccc0112e284e4c7685ee334470b566",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-03-14T16:27:07Z",
    "title_canon_sha256": "ba8a01de595bf5d53917fb61fafba8643cf672b9b30e2a927cc8d1c5e665dcac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3632",
    "kind": "arxiv",
    "version": 1
  }
}