Pith Number

pith:3PSHGJJ4

pith:2019:3PSHGJJ4BDI35T2IZATXY5GOO5

not attested not anchored not stored refs pending

An Optically-Programmable Absorbing Metasurface

A. H. Jaafar, J. Georgiou, K. M. Kossifos, M. A. Antoniades, N. T. Kemp

arxiv:1907.11136 v1 · 2019-06-20 · physics.app-ph · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PSHGJJ4BDI35T2IZATXY5GOO5}

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	2026-05-17T23:39:33.161382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbe473253c08d1becf48c8277c74ce7748cd279a698464c65494c4faff6dd10f

Aliases

arxiv: 1907.11136 · arxiv_version: 1907.11136v1 · doi: 10.48550/arxiv.1907.11136 · pith_short_12: 3PSHGJJ4BDI3 · pith_short_16: 3PSHGJJ4BDI35T2I · pith_short_8: 3PSHGJJ4

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/3PSHGJJ4BDI35T2IZATXY5GOO5 \
  | 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: dbe473253c08d1becf48c8277c74ce7748cd279a698464c65494c4faff6dd10f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25f60245fd68457325571e9055435ecb6425489ce5938043df80802ec60e57fe",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-06-20T06:11:00Z",
    "title_canon_sha256": "43d47bbed0c35b9a4e35aff082c2ceb9c3953d12b03ad8f86a9f798d2c9f9a2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11136",
    "kind": "arxiv",
    "version": 1
  }
}