Pith Number

pith:7Q3ZCQSE

pith:2026:7Q3ZCQSEYUYYMFJFAKSW44ALT4

not attested not anchored not stored refs pending

A Single-Trace Surface Integral Equation Solver for Simulation of Open Bianisotropic Metasurfaces Described by Generalized Sheet Transition Conditions

Hakan Bagci, Junze Shao, Partha Mondal, Ran Zhao, Rui Chen, Sebastian Celis Sierra

arxiv:2607.20659 v1 · 2026-07-22 · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7Q3ZCQSEYUYYMFJFAKSW44ALT4}

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	2026-07-24T00:23:28.052705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc37914244c53186152502a56e700b9f2ce7d1e5695d1342d71090ff5f4f8fda

Aliases

arxiv: 2607.20659 · arxiv_version: 2607.20659v1 · doi: 10.48550/arxiv.2607.20659 · pith_short_12: 7Q3ZCQSEYUYY · pith_short_16: 7Q3ZCQSEYUYYMFJF · pith_short_8: 7Q3ZCQSE

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/7Q3ZCQSEYUYYMFJFAKSW44ALT4 \
  | 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: fc37914244c53186152502a56e700b9f2ce7d1e5695d1342d71090ff5f4f8fda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70dd967ad37ecdaf7dc5c535fa30b83f3ad3c1555cf698351bc700c038bb0884",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2026-07-22T18:36:17Z",
    "title_canon_sha256": "bdb28fa856eb9cd09d418f6d7e89dd6a12fba39892348dfa0c747823a23e1ca4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20659",
    "kind": "arxiv",
    "version": 1
  }
}