Pith Number

pith:R4FVZUCF

pith:2018:R4FVZUCF7GEOCDTXP44YMHVXRK

not attested not anchored not stored refs pending

A sharpening of a problem on Bernstein polynomials and convex function and related results

Andrzej Komisarski, Teresa Rajba

arxiv:1801.02247 v1 · 2018-01-07 · 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{R4FVZUCF7GEOCDTXP44YMHVXRK}

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	2026-05-18T00:26:32.339992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f0b5cd045f988e10e777f39861eb78aa91319c9dbd2dbe910fe97570d060772

Aliases

arxiv: 1801.02247 · arxiv_version: 1801.02247v1 · doi: 10.48550/arxiv.1801.02247 · pith_short_12: R4FVZUCF7GEO · pith_short_16: R4FVZUCF7GEOCDTX · pith_short_8: R4FVZUCF

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/R4FVZUCF7GEOCDTXP44YMHVXRK \
  | 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: 8f0b5cd045f988e10e777f39861eb78aa91319c9dbd2dbe910fe97570d060772

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf74f0109a79f8dc46b916e3b8808e866d72e0901b94ee89dcf135dd64a38aa0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-01-07T20:43:28Z",
    "title_canon_sha256": "17773a257d1af82e46ac8536730732132b6c6d53385a607b9e1c2365f5efdef1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02247",
    "kind": "arxiv",
    "version": 1
  }
}