Pith Number

pith:BMPSBKMZ

pith:2021:BMPSBKMZEGJH2OZZAZJZ2ZQZTD

not attested not anchored not stored refs pending

Polarization-independent isotropic nonlocal metasurfaces with wavelength-controlled functionality

Cheng Guo, Olivia Y. Long, Shanhui Fan, Weiliang Jin

arxiv:2112.06731 v1 · 2021-12-13 · 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{BMPSBKMZEGJH2OZZAZJZ2ZQZTD}

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	2026-07-05T03:55:39.668543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b1f20a99921927d3b3906539d661998fc99bf733d8e4a8b391f825c9633c8e2

Aliases

arxiv: 2112.06731 · arxiv_version: 2112.06731v1 · doi: 10.48550/arxiv.2112.06731 · pith_short_12: BMPSBKMZEGJH · pith_short_16: BMPSBKMZEGJH2OZZ · pith_short_8: BMPSBKMZ

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/BMPSBKMZEGJH2OZZAZJZ2ZQZTD \
  | 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: 0b1f20a99921927d3b3906539d661998fc99bf733d8e4a8b391f825c9633c8e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2aca4ad7025be12c40cef11e1e92f54926a8952e0399eaca6fab4f3aaff1f147",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-12-13T15:36:09Z",
    "title_canon_sha256": "6431b6b9b0e5dd950288395309b3dedf447ec4116a5c5a939e0b531b21e31f2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.06731",
    "kind": "arxiv",
    "version": 1
  }
}