Pith Number

pith:Y42UEJF5

pith:2011:Y42UEJF5BC2URVJKRG2GCAXY3U

not attested not anchored not stored refs pending

Computational wave optics library for C++: CWO++ library

Atsushi Shiraki, Jian Tong Weng, Naohisa Okada, Naoki Takada, Nobuyuki Masuda, Takahiro Sakurai, Takashi Nishitsuji, Tomoyoshi Ito, Tomoyoshi Shimobaba

arxiv:1107.5578 v1 · 2011-07-27 · physics.optics · 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{Y42UEJF5BC2URVJKRG2GCAXY3U}

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	2026-05-18T02:01:08.688098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7354224bd08b548d52a89b46102f8dd27a57cf1fe8976d092cc81523aa2db96

Aliases

arxiv: 1107.5578 · arxiv_version: 1107.5578v1 · doi: 10.48550/arxiv.1107.5578 · pith_short_12: Y42UEJF5BC2U · pith_short_16: Y42UEJF5BC2URVJK · pith_short_8: Y42UEJF5

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/Y42UEJF5BC2URVJKRG2GCAXY3U \
  | 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: c7354224bd08b548d52a89b46102f8dd27a57cf1fe8976d092cc81523aa2db96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "013dc166374f256afa86ec41ce92c4316c1cc7d7a5de7bc4f12ee6571b491410",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-07-27T12:20:15Z",
    "title_canon_sha256": "4dbbba7ec2123d3cf4b2803d33106933a22de214533e7a39102b832a0524165b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5578",
    "kind": "arxiv",
    "version": 1
  }
}