Pith Number

pith:GGQ63SQI

pith:2008:GGQ63SQIPHJDNLQJX2C7RA4ZJG

not attested not anchored not stored refs pending

A new generalization of Ostrowski type inequality on time scales

Quoc Anh Ngo, Wenbin Chen, Wenjun Liu

arxiv:0804.4310 v2 · 2008-04-28 · math.GM · 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{GGQ63SQIPHJDNLQJX2C7RA4ZJG}

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	2026-05-18T04:25:11.692133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31a1edca0879d236ae09be85f88399498fb35217973a2905958f252a6c436619

Aliases

arxiv: 0804.4310 · arxiv_version: 0804.4310v2 · doi: 10.48550/arxiv.0804.4310 · pith_short_12: GGQ63SQIPHJD · pith_short_16: GGQ63SQIPHJDNLQJ · pith_short_8: GGQ63SQI

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/GGQ63SQIPHJDNLQJX2C7RA4ZJG \
  | 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: 31a1edca0879d236ae09be85f88399498fb35217973a2905958f252a6c436619

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14a4304b3fe58ac6b5ce7f4839aae8fa63e4b88c26f03d1b56a08a8387e34a32",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2008-04-28T01:56:40Z",
    "title_canon_sha256": "63366a678f98714dc0d2ba808ec618d7b5ae35853dedd669b93767d95408a803"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.4310",
    "kind": "arxiv",
    "version": 2
  }
}