Pith Number

pith:QDW63C7G

pith:2021:QDW63C7GASG6VQ2R53YICDRM3J

not attested not anchored not stored refs pending

Realization of broadband truly rainbow trapping in gradient-index heterostructures

Bing He, Jie Xu, Lujun Hong, Panpan He, Sanshui Xiao, Yamei Luo, Yazhou Wang, Yun Shen

arxiv:2110.13441 v1 · 2021-10-26 · physics.optics · physics.plasm-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{QDW63C7GASG6VQ2R53YICDRM3J}

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	2026-07-05T03:53:08.472606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80eded8be6048deac351eef0810e2cda751ac7f21b93afc96124d552f405fadd

Aliases

arxiv: 2110.13441 · arxiv_version: 2110.13441v1 · doi: 10.48550/arxiv.2110.13441 · pith_short_12: QDW63C7GASG6 · pith_short_16: QDW63C7GASG6VQ2R · pith_short_8: QDW63C7G

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/QDW63C7GASG6VQ2R53YICDRM3J \
  | 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: 80eded8be6048deac351eef0810e2cda751ac7f21b93afc96124d552f405fadd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fed5fc1e48e68fd24f065fc663d67bc8a41848c6063cf1d1b9a80f520a486fe",
    "cross_cats_sorted": [
      "physics.plasm-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-10-26T07:04:58Z",
    "title_canon_sha256": "539ce3dcdf810cf37592defb59b801a931c91f36a6cec45a4e46be6943f6de73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.13441",
    "kind": "arxiv",
    "version": 1
  }
}