Pith Number

pith:KZTNNVTP

pith:2019:KZTNNVTPVPEL34SFVXXBZD57O2

not attested not anchored not stored refs pending

Rational spectral methods for PDEs involving fractional Laplacian in unbounded domains

Huifang Yuan, Li-Lian Wang, Tao Tang, Tao Zhou

arxiv:1905.02476 v1 · 2019-05-07 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZTNNVTPVPEL34SFVXXBZD57O2}

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	2026-05-17T23:46:51.320000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5666d6d66fabc8bdf245adee1c8fbf768b0e7cad799d253788f84bfdbc8f49e0

Aliases

arxiv: 1905.02476 · arxiv_version: 1905.02476v1 · doi: 10.48550/arxiv.1905.02476 · pith_short_12: KZTNNVTPVPEL · pith_short_16: KZTNNVTPVPEL34SF · pith_short_8: KZTNNVTP

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/KZTNNVTPVPEL34SFVXXBZD57O2 \
  | 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: 5666d6d66fabc8bdf245adee1c8fbf768b0e7cad799d253788f84bfdbc8f49e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daa3dcd144f9e4e4635a9e279e1aa90d0c1c4cad3a49eb5b8a07d7672962d713",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-05-07T11:22:44Z",
    "title_canon_sha256": "a26e74e325a6baba812b19bb2e6bfb1281f876084ddaa3f7cda6d6927b9fe99d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02476",
    "kind": "arxiv",
    "version": 1
  }
}