Pith Number

pith:3V7FP3QS

pith:2021:3V7FP3QSKLP4AIZZQV7RV376GI

not attested not anchored not stored refs pending

An isogeometric boundary element method for three-dimensional doubly-periodic layered structures in electromagnetics

Hiroshi Isakari, Tetsuro Hirai, Toru Takahashi, Toshiro Matsumoto

arxiv:2105.00853 v2 · 2021-04-27 · math.NA · cs.CE · cs.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{3V7FP3QSKLP4AIZZQV7RV376GI}

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	2026-07-05T03:26:16.728612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd7e57ee1252dfc02339857f1aeffe3230e8ac98f6ea93ed949b7eb3f8a7b2fb

Aliases

arxiv: 2105.00853 · arxiv_version: 2105.00853v2 · doi: 10.48550/arxiv.2105.00853 · pith_short_12: 3V7FP3QSKLP4 · pith_short_16: 3V7FP3QSKLP4AIZZ · pith_short_8: 3V7FP3QS

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/3V7FP3QSKLP4AIZZQV7RV376GI \
  | 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: dd7e57ee1252dfc02339857f1aeffe3230e8ac98f6ea93ed949b7eb3f8a7b2fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ce7b710a76fb2d757417243bd9cc10fa017d39a7b1e90c05a41e1d314a9903b",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-04-27T03:09:24Z",
    "title_canon_sha256": "cfa950863dfae528922af4b7dd5112dead0b78895c9a6a805a376c9f725b286b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.00853",
    "kind": "arxiv",
    "version": 2
  }
}