Pith Number

pith:2JVICMVP

pith:2022:2JVICMVPYCZ43OAGPQ2BTL7SCM

not attested not anchored not stored refs pending

Immersion graded index optics: theory, design, and prototypes

Nina Vaidya, Olav Solgaard

arxiv:2211.10804 v1 · 2022-11-19 · physics.optics · 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{2JVICMVPYCZ43OAGPQ2BTL7SCM}

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	2026-07-05T05:17:34.850254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d26a8132afc0b3cdb8067c3419aff2130fcab4b0217ba18861ca1173e6fc24e9

Aliases

arxiv: 2211.10804 · arxiv_version: 2211.10804v1 · doi: 10.48550/arxiv.2211.10804 · pith_short_12: 2JVICMVPYCZ4 · pith_short_16: 2JVICMVPYCZ43OAG · pith_short_8: 2JVICMVP

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/2JVICMVPYCZ43OAGPQ2BTL7SCM \
  | 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: d26a8132afc0b3cdb8067c3419aff2130fcab4b0217ba18861ca1173e6fc24e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c1b6a7c2d6b0fe57fb6575b5998e1a4b175b5f47cffa4f11d79da31ab9d70a0",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-11-19T21:26:34Z",
    "title_canon_sha256": "7e2db201b066afb5a348a10a4ba8a3bed949df4a6b7e5eae751f322848c8579d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.10804",
    "kind": "arxiv",
    "version": 1
  }
}