Pith Number

pith:AJZTKA3H

pith:2016:AJZTKA3H3FKXZM7J64TYK6PYBC

not attested not anchored not stored refs pending

On approximation of functions by algebraic polynomials in H\"older spaces

J\"urgen Prestin, Tetiana Lomako, Yurii Kolomoitsev

arxiv:1602.05036 v1 · 2016-02-16 · 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{AJZTKA3H3FKXZM7J64TYK6PYBC}

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	2026-05-18T01:20:37.642217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0273350367d9557cb3e9f7278579f808824ef1dd57d7b822ce100b5f8a08b778

Aliases

arxiv: 1602.05036 · arxiv_version: 1602.05036v1 · doi: 10.48550/arxiv.1602.05036 · pith_short_12: AJZTKA3H3FKX · pith_short_16: AJZTKA3H3FKXZM7J · pith_short_8: AJZTKA3H

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/AJZTKA3H3FKXZM7J64TYK6PYBC \
  | 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: 0273350367d9557cb3e9f7278579f808824ef1dd57d7b822ce100b5f8a08b778

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "128c244b3984223bb075d73591d95eac7721b969a94cba4ba72350504086a518",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2016-02-16T14:49:41Z",
    "title_canon_sha256": "0f80b507fea6330fd0fca439f3fa838c4434be8e04b8a42bbcd72acb0a818ca1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05036",
    "kind": "arxiv",
    "version": 1
  }
}