Pith Number

pith:MMMZ4JYN

pith:2021:MMMZ4JYNM3QH2GCLKJFWRVGSI6

not attested not anchored not stored refs pending

A Framework for Discovering Optimal Solutions in Photonic Inverse Design

Artur R. Davoyan, Jagrit Digani, Phillip Hon

arxiv:2106.08419 v1 · 2021-06-03 · physics.optics · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MMMZ4JYNM3QH2GCLKJFWRVGSI6}

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	2026-07-05T02:49:57.690671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63199e270d66e07d184b524b68d4d247922c1d70fe58f66f683111e8ff1613e2

Aliases

arxiv: 2106.08419 · arxiv_version: 2106.08419v1 · doi: 10.48550/arxiv.2106.08419 · pith_short_12: MMMZ4JYNM3QH · pith_short_16: MMMZ4JYNM3QH2GCL · pith_short_8: MMMZ4JYN

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/MMMZ4JYNM3QH2GCLKJFWRVGSI6 \
  | 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: 63199e270d66e07d184b524b68d4d247922c1d70fe58f66f683111e8ff1613e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "362960c6a7a16656ea71e7f9dc9c91acafd1f776d0a24ae1f97d0551b36de399",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-06-03T22:11:03Z",
    "title_canon_sha256": "67aab78f7f921fd9d0fc90ec602ab76d4904143406402c9c11ac20ed28244a5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.08419",
    "kind": "arxiv",
    "version": 1
  }
}