Pith Number

pith:Q5OLGAG6

pith:2018:Q5OLGAG6PPYPAK64SDYI56X6CZ

not attested not anchored not stored refs pending

Nanostructured Hyperbolic Meta-Antennas Enable Arbitrary Control of Scattering vs Absorption

Antonietta Parracino, Francesco De Angelis, Giuseppe Strangi, Marzia Iarossi, Nicol\`o Maccaferri, Tommi Isoniemi, Yingqi Zhao

arxiv:1807.01634 v3 · 2018-07-04 · 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{Q5OLGAG6PPYPAK64SDYI56X6CZ}

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	2026-05-17T23:52:30.098081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

875cb300de7bf0f02bdc90f08efafe165694fc9b300e6f832d28977c2560553a

Aliases

arxiv: 1807.01634 · arxiv_version: 1807.01634v3 · doi: 10.48550/arxiv.1807.01634 · pith_short_12: Q5OLGAG6PPYP · pith_short_16: Q5OLGAG6PPYPAK64 · pith_short_8: Q5OLGAG6

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/Q5OLGAG6PPYPAK64SDYI56X6CZ \
  | 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: 875cb300de7bf0f02bdc90f08efafe165694fc9b300e6f832d28977c2560553a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b443358c5bf6bac40d71c45ebed00bb7885bb41455e540214c98941af1ec6b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-07-04T15:17:03Z",
    "title_canon_sha256": "e148cb3fd98b4659017848183d87747b3f9cb2552e8109d4183b765cdfbd5638"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01634",
    "kind": "arxiv",
    "version": 3
  }
}