Pith Number

pith:BIRUCB3T

pith:2017:BIRUCB3T7ZEW224DV7UC5C4MY4

not attested not anchored not stored refs pending

Theory of Coupled Resonator Optical Waveguides (CROW) Exhibiting High Order Exceptional Points of Degeneracy

Filippo Capolino, Mohamed A. K. Othman, Mohamed Y. Nada

arxiv:1708.07135 v1 · 2017-08-23 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BIRUCB3T7ZEW224DV7UC5C4MY4}

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	2026-05-18T00:29:29.169839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a23410773fe496d6b83afe82e8b8cc73c9054e5837e7542f182d800a790a32c

Aliases

arxiv: 1708.07135 · arxiv_version: 1708.07135v1 · doi: 10.48550/arxiv.1708.07135 · pith_short_12: BIRUCB3T7ZEW · pith_short_16: BIRUCB3T7ZEW224D · pith_short_8: BIRUCB3T

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/BIRUCB3T7ZEW224DV7UC5C4MY4 \
  | 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: 0a23410773fe496d6b83afe82e8b8cc73c9054e5837e7542f182d800a790a32c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "faed595d37bae8df8f88fcd778270977547d28ade8b1ce77f3f199b158aeddf0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-08-23T18:01:55Z",
    "title_canon_sha256": "03e39eaeff0ba63027076753dab6132df248b0b24da0ea9175a3258a7a5154e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07135",
    "kind": "arxiv",
    "version": 1
  }
}