Pith Number

pith:6MHTZ4OG

pith:2008:6MHTZ4OGIZIP2RYV5IAKQVMGUK

not attested not anchored not stored refs pending

A generalization of Ostrowski inequality on time scales for k points

Quoc Anh Ngo, Wenjun Liu

arxiv:0804.3230 v1 · 2008-04-21 · math.FA · math.GM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6MHTZ4OGIZIP2RYV5IAKQVMGUK}

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	2026-05-18T04:25:11.712127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f30f3cf1c64650fd4715ea00a85586a2826cdc9f3e63af8142beb4a05f7a7cb1

Aliases

arxiv: 0804.3230 · arxiv_version: 0804.3230v1 · doi: 10.48550/arxiv.0804.3230 · pith_short_12: 6MHTZ4OGIZIP · pith_short_16: 6MHTZ4OGIZIP2RYV · pith_short_8: 6MHTZ4OG

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/6MHTZ4OGIZIP2RYV5IAKQVMGUK \
  | 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: f30f3cf1c64650fd4715ea00a85586a2826cdc9f3e63af8142beb4a05f7a7cb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a61eb6db8e2f9240c93a69c1a356bf78f675fb88ae34db57c302e0f57cff4a73",
    "cross_cats_sorted": [
      "math.GM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2008-04-21T03:34:31Z",
    "title_canon_sha256": "6cacdea1e08dd394451ae650c5aa7a3937492252df9d4509aa43bdc2713e4ea8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.3230",
    "kind": "arxiv",
    "version": 1
  }
}