Pith Number

pith:Y4VMEYX7

pith:2021:Y4VMEYX7DKA5PNZYH67DKJWJLI

not attested not anchored not stored refs pending

Design, simulation and characterization of integrated photonic spectrographs for Astronomy I: Generation-I AWG devices based on canonical layouts

Andreas Stoll, Kalaga V. Madhav, Martin M. Roth

arxiv:2107.06342 v1 · 2021-07-13 · astro-ph.IM · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y4VMEYX7DKA5PNZYH67DKJWJLI}

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.

Cited by

1 paper in Pith

Qualification pathways for Photonic Integrated Circuits in Astrophotonic Space Missions

Receipt and verification

First computed	2026-07-05T03:01:24.799872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c72ac262ff1a81d7b7383fbe3526c95a2c875086514a3bcd3631504bf49d105b

Aliases

arxiv: 2107.06342 · arxiv_version: 2107.06342v1 · doi: 10.48550/arxiv.2107.06342 · pith_short_12: Y4VMEYX7DKA5 · pith_short_16: Y4VMEYX7DKA5PNZY · pith_short_8: Y4VMEYX7

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/Y4VMEYX7DKA5PNZYH67DKJWJLI \
  | 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: c72ac262ff1a81d7b7383fbe3526c95a2c875086514a3bcd3631504bf49d105b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "917aa19f28b2df5a461ee9770db3ff258051e5fc407bfddb5dfb4b755e313b7f",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-07-13T19:08:47Z",
    "title_canon_sha256": "24763197536707fc9b7fa93b9b7e7d5ee6806327a5f6eba65c65610b88ae7cbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.06342",
    "kind": "arxiv",
    "version": 1
  }
}