Pith Number

pith:USLZE77R

pith:2015:USLZE77RPLI3QWMJQFK7NGBBEW

not attested not anchored not stored refs pending

Weighted Ostrowski-Gr\"uss type inequalities

Ana Maria Acu, Heiner Gonska

arxiv:1502.04618 v1 · 2015-02-16 · 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{USLZE77RPLI3QWMJQFK7NGBBEW}

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	2026-05-18T02:26:59.488905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a497927ff17ad1b859898155f698212592311df76591088520ffe97812a8742b

Aliases

arxiv: 1502.04618 · arxiv_version: 1502.04618v1 · doi: 10.48550/arxiv.1502.04618 · pith_short_12: USLZE77RPLI3 · pith_short_16: USLZE77RPLI3QWMJ · pith_short_8: USLZE77R

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/USLZE77RPLI3QWMJQFK7NGBBEW \
  | 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: a497927ff17ad1b859898155f698212592311df76591088520ffe97812a8742b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "420d1d2663256d1491c39fe4b203776fc1dee08f600015e8575a110ee78777b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-02-16T16:41:26Z",
    "title_canon_sha256": "c6db744af0d4f35726e25b008207b08785953374ccd410cfa915fa27b68527db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04618",
    "kind": "arxiv",
    "version": 1
  }
}