Pith Number

pith:7VLSUDUW

pith:2022:7VLSUDUWSW76Y3CM5MA6Y5BXN2

not attested not anchored not stored refs pending

Improvements in $L^2$ Restriction bounds for Neumann Data along closed curves

Wu Xianchao

arxiv:2203.01208 v3 · 2022-03-02 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VLSUDUWSW76Y3CM5MA6Y5BXN2}

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	2026-05-21T01:05:01.372408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd572a0e9695bfec6c4ceb01ec74376ea9cf4ecb2148d9a11cfb522c6fd79d76

Aliases

arxiv: 2203.01208 · arxiv_version: 2203.01208v3 · doi: 10.48550/arxiv.2203.01208 · pith_short_12: 7VLSUDUWSW76 · pith_short_16: 7VLSUDUWSW76Y3CM · pith_short_8: 7VLSUDUW

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/7VLSUDUWSW76Y3CM5MA6Y5BXN2 \
  | 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: fd572a0e9695bfec6c4ceb01ec74376ea9cf4ecb2148d9a11cfb522c6fd79d76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51580e67827fdc0c58883cb5a8ac469247221d7dc64863a6af81ed8b2d2f8884",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2022-03-02T16:04:26Z",
    "title_canon_sha256": "0057b907326db867828f7c3cf6a80af2dc6198db21ace6b27592da12bc687ab0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.01208",
    "kind": "arxiv",
    "version": 3
  }
}