Pith Number

pith:JZUJJR3E

pith:2019:JZUJJR3EYDCRRLEGKFXHJOXJNJ

not attested not anchored not stored refs pending

Near-perfect absorber as a subwavelength thickness spatial frequency filter for optical image processing

Ann Roberts, Daniel E. Gomez, Enrico Della Gaspera, Evgeniy Panchenko, Kalpana Singh, Lukas Wesemann, Timothy J. Davis

arxiv:1902.05674 v1 · 2019-02-15 · 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{JZUJJR3EYDCRRLEGKFXHJOXJNJ}

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	2026-05-17T23:53:56.547346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e6894c764c0c518ac86516e74bae96a4277f15eb3166869e0e2250df9b4bff7

Aliases

arxiv: 1902.05674 · arxiv_version: 1902.05674v1 · doi: 10.48550/arxiv.1902.05674 · pith_short_12: JZUJJR3EYDCR · pith_short_16: JZUJJR3EYDCRRLEG · pith_short_8: JZUJJR3E

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/JZUJJR3EYDCRRLEGKFXHJOXJNJ \
  | 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: 4e6894c764c0c518ac86516e74bae96a4277f15eb3166869e0e2250df9b4bff7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99f10be470ca2cd9f75a046fdd1b8235896e85606b21557aea7d15af68e38436",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-02-15T03:46:37Z",
    "title_canon_sha256": "10072f78ae68554f4e352607c7821356559b3f1522c829fb2d18da3c32f51810"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05674",
    "kind": "arxiv",
    "version": 1
  }
}