Pith Number

pith:J7SRYWOU

pith:2017:J7SRYWOUOAIZ2MFNMA2DMUYO2Z

not attested not anchored not stored refs pending

On generalization of D'Aurizio-S\'andor trigonometric inequalities with a parameter

Li-Chang Hung, Pei-Ying Li

arxiv:1703.09618 v1 · 2017-03-26 · 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{J7SRYWOUOAIZ2MFNMA2DMUYO2Z}

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	2026-05-18T00:47:44.052117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fe51c59d470119d30ad603436530ed65a8962c62ede5956bde86c65c0db906a

Aliases

arxiv: 1703.09618 · arxiv_version: 1703.09618v1 · doi: 10.48550/arxiv.1703.09618 · pith_short_12: J7SRYWOUOAIZ · pith_short_16: J7SRYWOUOAIZ2MFN · pith_short_8: J7SRYWOU

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/J7SRYWOUOAIZ2MFNMA2DMUYO2Z \
  | 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: 4fe51c59d470119d30ad603436530ed65a8962c62ede5956bde86c65c0db906a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3aa66d1df342afc4c654cfd54d2f20c47c426c5358d1eb433a045e6452808d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-03-26T19:09:58Z",
    "title_canon_sha256": "5b03a8776ccf6bc1f7aead1cec0143b407a9bd94f99c0fc5277e218207d2732f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09618",
    "kind": "arxiv",
    "version": 1
  }
}