Pith Number

pith:KWNZVPU4

pith:2026:KWNZVPU4WUNTC5UR4OZXJPRPUP

not attested not anchored not stored refs pending

Continuous modal spectrum in nonreciprocal cavities

David E. Fernandes, Filipa R. Prud\^encio, M\'ario G. Silveirinha

arxiv:2606.28979 v1 · 2026-06-27 · 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{KWNZVPU4WUNTC5UR4OZXJPRPUP}

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	2026-06-30T01:17:47.936662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

559b9abe9cb51b317691e3b374be2fa3ea6df7f33771fd87b5fcfc6e2a0e5f20

Aliases

arxiv: 2606.28979 · arxiv_version: 2606.28979v1 · doi: 10.48550/arxiv.2606.28979 · pith_short_12: KWNZVPU4WUNT · pith_short_16: KWNZVPU4WUNTC5UR · pith_short_8: KWNZVPU4

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/KWNZVPU4WUNTC5UR4OZXJPRPUP \
  | 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: 559b9abe9cb51b317691e3b374be2fa3ea6df7f33771fd87b5fcfc6e2a0e5f20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f57dafda11813184f672e2f92da0539fa0fa6688aa9be3d3fc08b36d189fd38",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-06-27T15:29:38Z",
    "title_canon_sha256": "5994a5feb04c3af56fbfd2adce8379f9da89fdd12e1906c749646fb44b46e8ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28979",
    "kind": "arxiv",
    "version": 1
  }
}