Pith Number

pith:6EEMSIDE

pith:2018:6EEMSIDE6BHHJDN5HZPZU3YJT3

not attested not anchored not stored refs pending

Schwarz type lemma, Landau type theorem and Lipschitz type space of solutions to biharmonic equations

Peijin Li, Shaolin Chen, Xiantao Wang

arxiv:1801.04507 v2 · 2018-01-14 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6EEMSIDE6BHHJDN5HZPZU3YJT3}

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	2026-05-18T00:07:50.142297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f108c92064f04e748dbd3e5f9a6f099ee62087f51634701e2ab047571b8b30a9

Aliases

arxiv: 1801.04507 · arxiv_version: 1801.04507v2 · doi: 10.48550/arxiv.1801.04507 · pith_short_12: 6EEMSIDE6BHH · pith_short_16: 6EEMSIDE6BHHJDN5 · pith_short_8: 6EEMSIDE

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/6EEMSIDE6BHHJDN5HZPZU3YJT3 \
  | 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: f108c92064f04e748dbd3e5f9a6f099ee62087f51634701e2ab047571b8b30a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab7687b27fa4c6f19c7217274175b384f4a92be6a43213a2909cc57676a22c1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2018-01-14T04:03:49Z",
    "title_canon_sha256": "2660b66f3edf9ea668fefc2c7cf551053f803c95984fd61e4dfcadd6cbaab16c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04507",
    "kind": "arxiv",
    "version": 2
  }
}