Pith Number

pith:NV2HVCIY

pith:2025:NV2HVCIY4QFLIIEIPHQ2CATWKC

not attested not anchored not stored refs pending

Topological linear and nonlinear gap modes in defected dimer lattice with fourth-order diffraction

Changming Huang, Qidong Fu, Xiaoyang Wang

arxiv:2504.14639 v2 · 2025-04-20 · physics.optics · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NV2HVCIY4QFLIIEIPHQ2CATWKC}

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	2026-07-05T11:11:22.332780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d747a8918e40ab4208879e1a102765093a445ef0e8328e3c6939a9f3e9abb11

Aliases

arxiv: 2504.14639 · arxiv_version: 2504.14639v2 · doi: 10.48550/arxiv.2504.14639 · pith_short_12: NV2HVCIY4QFL · pith_short_16: NV2HVCIY4QFLIIEI · pith_short_8: NV2HVCIY

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/NV2HVCIY4QFLIIEIPHQ2CATWKC \
  | 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: 6d747a8918e40ab4208879e1a102765093a445ef0e8328e3c6939a9f3e9abb11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c33ccca193f96f6e31e5890f4d8eab9a57267ba4d90d801d2755fce303b5e2ab",
    "cross_cats_sorted": [
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-04-20T14:41:11Z",
    "title_canon_sha256": "23135a6c601e31d550d6ee965bc55a302685165d44485b588f8198764155028f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.14639",
    "kind": "arxiv",
    "version": 2
  }
}