Pith Number

pith:J7HN5P3N

pith:2016:J7HN5P3NL2GVUE6AOYGJN5OBYN

not attested not anchored not stored refs pending

Broadband Multifocal Conic-Shaped Metalens

Qiao Jiang, Xing Zhu, Yanjun Bao, Yimin Kang, Zheyu Fang

arxiv:1606.09351 v2 · 2016-06-30 · 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{J7HN5P3NL2GVUE6AOYGJN5OBYN}

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	2026-05-18T01:02:38.443169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fcedebf6d5e8d5a13c0760c96f5c1c344daf0e0aea15df19c4381b3feb8c561

Aliases

arxiv: 1606.09351 · arxiv_version: 1606.09351v2 · doi: 10.48550/arxiv.1606.09351 · pith_short_12: J7HN5P3NL2GV · pith_short_16: J7HN5P3NL2GVUE6A · pith_short_8: J7HN5P3N

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/J7HN5P3NL2GVUE6AOYGJN5OBYN \
  | 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: 4fcedebf6d5e8d5a13c0760c96f5c1c344daf0e0aea15df19c4381b3feb8c561

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3be82ca86de5b922428ee5ab51d29eab4397ca6245839e4a09b3b8ae684d1c74",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-06-30T05:38:19Z",
    "title_canon_sha256": "22a7d62172d5df4580a18fb2c51385e061d52e25432ebc72749404751c5b3511"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.09351",
    "kind": "arxiv",
    "version": 2
  }
}