Pith Number

pith:7NY4L5NU

pith:2018:7NY4L5NUTJDZU33WDR5UCFPO27

not attested not anchored not stored refs pending

Domain decomposition for quasi-periodic scattering by layered media via robust boundary-integral equations at all frequencies

Carlos P\'erez-Arancibia, Catalin Turc, Stephanos Venakides, Stephen Shipman

arxiv:1801.09094 v2 · 2018-01-27 · 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{7NY4L5NUTJDZU33WDR5UCFPO27}

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	2026-05-17T23:52:08.111075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb71c5f5b49a479a6f761c7b4115eed7cd4772e1ba9c89a3514ea070de390111

Aliases

arxiv: 1801.09094 · arxiv_version: 1801.09094v2 · doi: 10.48550/arxiv.1801.09094 · pith_short_12: 7NY4L5NUTJDZ · pith_short_16: 7NY4L5NUTJDZU33W · pith_short_8: 7NY4L5NU

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/7NY4L5NUTJDZU33WDR5UCFPO27 \
  | 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: fb71c5f5b49a479a6f761c7b4115eed7cd4772e1ba9c89a3514ea070de390111

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddd7c526f520cda5fc2eafcf813dc6c1a1edc40e0774d83187cf7a40619cb8ab",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-27T14:27:01Z",
    "title_canon_sha256": "a68eeae2944035d7e4bc13d39ba78ba46e5e795ab7f159b02f7e2229edaea20d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09094",
    "kind": "arxiv",
    "version": 2
  }
}