Pith Number

pith:WJKLD7QH

pith:2014:WJKLD7QHRLZYH7J5KVYVDTYYXK

not attested not anchored not stored refs pending

A note on failure of energy reversal for classical fractional singular integrals

Chun-Yen Shen, Eric T. Sawyer, Ignacio Uriarte-Tuero

arxiv:1401.0467 v6 · 2014-01-02 · 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{WJKLD7QHRLZYH7J5KVYVDTYYXK}

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	2026-05-18T02:56:18.885012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b254b1fe078af383fd3d557151cf18ba9fb0d5abff2f2275498789984ca163f2

Aliases

arxiv: 1401.0467 · arxiv_version: 1401.0467v6 · doi: 10.48550/arxiv.1401.0467 · pith_short_12: WJKLD7QHRLZY · pith_short_16: WJKLD7QHRLZYH7J5 · pith_short_8: WJKLD7QH

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/WJKLD7QHRLZYH7J5KVYVDTYYXK \
  | 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: b254b1fe078af383fd3d557151cf18ba9fb0d5abff2f2275498789984ca163f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5c0027855b6460c7a948424cf0b450453338b14d96867af3c5616efcb022c67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-01-02T16:33:34Z",
    "title_canon_sha256": "7b7f88afb1dc45150eba5af12de890f4bc8f7b2e7713dceead5c008e25d40692"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0467",
    "kind": "arxiv",
    "version": 6
  }
}