Pith Number

pith:6V6WFNOM

pith:2018:6V6WFNOMDYMJRQWAUINJWJP3CZ

not attested not anchored not stored refs pending

Convolution quadrature methods for time-domain scattering from unbounded penetrable interfaces

Carlos P\'erez-Arancibia, Ignacio Labarca, Luiz M. Faria

arxiv:1809.05084 v1 · 2018-09-13 · physics.comp-ph · cs.NA · 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{6V6WFNOMDYMJRQWAUINJWJP3CZ}

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	2026-06-04T20:13:19.678064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f57d62b5cc1e1898c2c0a21a9b25fb165fa21f982acc8be1dc7bc31d47e7b01a

Aliases

arxiv: 1809.05084 · arxiv_version: 1809.05084v1 · doi: 10.48550/arxiv.1809.05084 · pith_short_12: 6V6WFNOMDYMJ · pith_short_16: 6V6WFNOMDYMJRQWA · pith_short_8: 6V6WFNOM

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/6V6WFNOMDYMJRQWAUINJWJP3CZ \
  | 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: f57d62b5cc1e1898c2c0a21a9b25fb165fa21f982acc8be1dc7bc31d47e7b01a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fc6cdf3f574274bccc3b936e2d3c086158c7d7f79ea61c3fa0012dbf6d8c191",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-09-13T17:48:41Z",
    "title_canon_sha256": "ee84084950f787aac7ff47bfcfeb5c7ddc3ebd04d491b0745cfa8a4cde5aaf0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05084",
    "kind": "arxiv",
    "version": 1
  }
}