Pith Number

pith:U2JGVV4A

pith:2015:U2JGVV4AZ4CHU5GH5FAXRNVKCN

not attested not anchored not stored refs pending

Non-uniform non-asymptotical sharp estimate for the rate of convergence for Bernstein's polynomial approximation, with bilateral constant evaluation

Eugene Ostrovsky, Leonid Sirota

arxiv:1508.06933 v1 · 2015-08-27 · 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{U2JGVV4AZ4CHU5GH5FAXRNVKCN}

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	2026-05-18T01:34:37.261285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6926ad780cf047a74c7e94178b6aa13646531b517db1cf72f2b311cdd75a4a1

Aliases

arxiv: 1508.06933 · arxiv_version: 1508.06933v1 · doi: 10.48550/arxiv.1508.06933 · pith_short_12: U2JGVV4AZ4CH · pith_short_16: U2JGVV4AZ4CHU5GH · pith_short_8: U2JGVV4A

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/U2JGVV4AZ4CHU5GH5FAXRNVKCN \
  | 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: a6926ad780cf047a74c7e94178b6aa13646531b517db1cf72f2b311cdd75a4a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4926210bdf947b8235d49d18190ef15a8512a2e9a5d51ed5e01aed29381b3e61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2015-08-27T16:45:09Z",
    "title_canon_sha256": "4bfff3041317abc501bcf55c2d9ba52063d7bce0b538f467595744626e9f28e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06933",
    "kind": "arxiv",
    "version": 1
  }
}