Pith Number

pith:TNVY7GYC

pith:2025:TNVY7GYCCL6TTJS2JIHWAPTVRI

not attested not anchored not stored refs pending

Programmable metasurfaces for future photonic artificial intelligence

Emil Marinov, Loubnan Abou-Hamdan, Patrice Genevet, Peter Wiecha, Philipp del Hougne, Tianyu Wang

arxiv:2505.11659 v1 · 2025-05-16 · physics.optics · cs.AI · 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{TNVY7GYCCL6TTJS2JIHWAPTVRI}

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	2026-07-05T11:04:52.700882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b6b8f9b0212fd39a65a4a0f603e758a383fe7da54174b60546e1ec0d0659eeb

Aliases

arxiv: 2505.11659 · arxiv_version: 2505.11659v1 · doi: 10.48550/arxiv.2505.11659 · pith_short_12: TNVY7GYCCL6T · pith_short_16: TNVY7GYCCL6TTJS2 · pith_short_8: TNVY7GYC

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/TNVY7GYCCL6TTJS2JIHWAPTVRI \
  | 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: 9b6b8f9b0212fd39a65a4a0f603e758a383fe7da54174b60546e1ec0d0659eeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6712ccc4fd7a2f5bc7abd485115f659f1b5eeae6ad962be5bd419c08106c0f06",
    "cross_cats_sorted": [
      "cs.AI",
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-05-16T19:50:01Z",
    "title_canon_sha256": "9b07f0e398a73651c6c750060c25cad61c90cd1b390872e6c04d8ef0dacef84a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.11659",
    "kind": "arxiv",
    "version": 1
  }
}