Pith Number

pith:GYKFY6J3

pith:2022:GYKFY6J3ELPLVRYPG2MNLJKG6U

not attested not anchored not stored refs pending

Inverse-designed Metastructures Together with Reconfigurable Couplers to Compute Forward Scattering

Ahmad Hoorfar, Dimitrios C. Tzarouchis, Nader Engheta, Vahid Nikkhah

arxiv:2207.13189 v1 · 2022-07-26 · physics.optics · eess.IV · math-ph · math.MP · physics.app-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{GYKFY6J3ELPLVRYPG2MNLJKG6U}

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	2026-07-05T04:44:03.930995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36145c793b22debac70f3698d5a546f521092a1ffbf4187946be262fc7ce0365

Aliases

arxiv: 2207.13189 · arxiv_version: 2207.13189v1 · doi: 10.48550/arxiv.2207.13189 · pith_short_12: GYKFY6J3ELPL · pith_short_16: GYKFY6J3ELPLVRYP · pith_short_8: GYKFY6J3

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/GYKFY6J3ELPLVRYPG2MNLJKG6U \
  | 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: 36145c793b22debac70f3698d5a546f521092a1ffbf4187946be262fc7ce0365

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b56b19998867a6918ac408bc764bd24c9f0063c042bbb1bda72eb0ae63bca0cc",
    "cross_cats_sorted": [
      "eess.IV",
      "math-ph",
      "math.MP",
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-07-26T21:34:13Z",
    "title_canon_sha256": "2dfbf55625160287867e1e8fa4959ff1728386230ceaa92921fb203f291aa4f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.13189",
    "kind": "arxiv",
    "version": 1
  }
}