Pith Number

pith:5CVXBDP2

pith:2020:5CVXBDP2E7I6MIYEXYKJKIB4O4

not attested not anchored not stored refs pending

On optimal recovery in $L_2$

V. Temlyakov

arxiv:2010.03103 v1 · 2020-10-07 · math.NA · cs.NA · 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{5CVXBDP2E7I6MIYEXYKJKIB4O4}

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.

Cited by

1 paper in Pith

Some lower bounds for optimal sampling recovery of functions with mixed smoothness

Receipt and verification

First computed	2026-07-05T01:40:59.748896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8ab708dfa27d1e62304be1495203c773a4021f52cea516dc5578dfb1b2f3138

Aliases

arxiv: 2010.03103 · arxiv_version: 2010.03103v1 · doi: 10.48550/arxiv.2010.03103 · pith_short_12: 5CVXBDP2E7I6 · pith_short_16: 5CVXBDP2E7I6MIYE · pith_short_8: 5CVXBDP2

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/5CVXBDP2E7I6MIYEXYKJKIB4O4 \
  | 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: e8ab708dfa27d1e62304be1495203c773a4021f52cea516dc5578dfb1b2f3138

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d42f5c2710230e4d46361e4cec4d1627ea7a31907496b37aa50dbc6e2f2d5977",
    "cross_cats_sorted": [
      "cs.NA",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-10-07T01:31:04Z",
    "title_canon_sha256": "bb1f6657990227707b902bdd47262eb2480de8452ab44982286933896291e983"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.03103",
    "kind": "arxiv",
    "version": 1
  }
}