Pith Number

pith:N4N4RCSQ

pith:2025:N4N4RCSQUFGRPZCLNUKS37SQ6C

not attested not anchored not stored refs pending

Measuring $\mathbb{Z}_2$ invariants in dimer models and cross-coupled ladders with a programmable photonic molecule

Alexander R. Miller, Avik Dutt, Ferguson J. McComb, Rohith Srikanth, Sashank Kaushik Sridhar

arxiv:2505.04151 v1 · 2025-05-07 · physics.optics · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4N4RCSQUFGRPZCLNUKS37SQ6C}

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	2026-07-05T10:59:37.544600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f1bc88a50a14d17e44b6d152dfe50f0a24596801e068c29175f971364396a5b

Aliases

arxiv: 2505.04151 · arxiv_version: 2505.04151v1 · doi: 10.48550/arxiv.2505.04151 · pith_short_12: N4N4RCSQUFGR · pith_short_16: N4N4RCSQUFGRPZCL · pith_short_8: N4N4RCSQ

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/N4N4RCSQUFGRPZCLNUKS37SQ6C \
  | 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: 6f1bc88a50a14d17e44b6d152dfe50f0a24596801e068c29175f971364396a5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dae9a2a015b03fdde372c64b932b93d103b6d22f294cf5e38f65b030dbfff6cc",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-05-07T06:02:27Z",
    "title_canon_sha256": "96cc518cf9e5f47d557c98d3e64ca4731f6a92e754ea041a4cea5fdb1bc13487"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.04151",
    "kind": "arxiv",
    "version": 1
  }
}