Pith Number

pith:W7ON53SL

pith:2019:W7ON53SLIA4UNYP4OXTDVJGIDQ

not attested not anchored not stored refs pending

Weighted integral solvers for elastic scattering by open arcs in two dimensions

Liwei Xu, Oscar P. Bruno, Tao Yin

arxiv:1902.08687 v1 · 2019-02-22 · math.NA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W7ON53SLIA4UNYP4OXTDVJGIDQ}

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	2026-05-17T23:52:50.309224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7dcdeee4b403946e1fc75e63aa4c81c3a1a288a094a4400fee6cffab8b77210

Aliases

arxiv: 1902.08687 · arxiv_version: 1902.08687v1 · doi: 10.48550/arxiv.1902.08687 · pith_short_12: W7ON53SLIA4U · pith_short_16: W7ON53SLIA4UNYP4 · pith_short_8: W7ON53SL

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/W7ON53SLIA4UNYP4OXTDVJGIDQ \
  | 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: b7dcdeee4b403946e1fc75e63aa4c81c3a1a288a094a4400fee6cffab8b77210

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c79383b9661c071951d87bfc4d9eac4ff79425fa7a612ddbf369e1f0683a494",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-02-22T22:11:06Z",
    "title_canon_sha256": "c2a44576ddbee9153c7782b8ff570f2d803dbdfeec733635712bd4ee7c7fca50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08687",
    "kind": "arxiv",
    "version": 1
  }
}