Pith Number

pith:KP7AMS2N

pith:2026:KP7AMS2NMMPW4H5VS2FFK35FDE

not attested not anchored not stored refs pending

Engineering symmetry-protected topological states in waveguide arrays

Lavi K. Upreti

arxiv:2603.01769 v2 · 2026-03-02 · physics.optics · cond-mat.mes-hall · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KP7AMS2NMMPW4H5VS2FFK35FDE}

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	2026-08-05T01:36:23.316679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53fe064b4d631f6e1fb5968a556fa51919cb1d2ab498554877323b753a202f35

Aliases

arxiv: 2603.01769 · arxiv_version: 2603.01769v2 · doi: 10.48550/arxiv.2603.01769 · pith_short_12: KP7AMS2NMMPW · pith_short_16: KP7AMS2NMMPW4H5V · pith_short_8: KP7AMS2N

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/KP7AMS2NMMPW4H5VS2FFK35FDE \
  | 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: 53fe064b4d631f6e1fb5968a556fa51919cb1d2ab498554877323b753a202f35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6029c6ca3c26c5853d71beb54acec128c260ad0739965d320f5265e39a5b0064",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-03-02T11:53:18Z",
    "title_canon_sha256": "74e4fd9e525bab3b5aa0428161e8ae7e335af6792e2054c97ec22b731f4d6eb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.01769",
    "kind": "arxiv",
    "version": 2
  }
}