Pith Number

pith:NXGPT6E5

pith:2020:NXGPT6E5EUZE7CXR7V3PH5QQX4

not attested not anchored not stored refs pending

Metasurfaces for Efficient Digital Noise Absorption

Hiroki Wakatsuchi, Ryoya Aihara

arxiv:2009.11987 v1 · 2020-09-25 · 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{NXGPT6E5EUZE7CXR7V3PH5QQX4}

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	2026-07-05T01:46:02.975926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dccf9f89d25324f8af1fd76f3f610bf2f0481d30a192436cf533244c659fd99

Aliases

arxiv: 2009.11987 · arxiv_version: 2009.11987v1 · doi: 10.48550/arxiv.2009.11987 · pith_short_12: NXGPT6E5EUZE · pith_short_16: NXGPT6E5EUZE7CXR · pith_short_8: NXGPT6E5

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/NXGPT6E5EUZE7CXR7V3PH5QQX4 \
  | 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: 6dccf9f89d25324f8af1fd76f3f610bf2f0481d30a192436cf533244c659fd99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad1b8fa4985d06f379700605f596a2f8721934687cb148ace705d00a04969a82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-09-25T00:10:44Z",
    "title_canon_sha256": "e0ede68f360d2e3e3a4be1d56c1cf46ec90cde50b2deec9ce05e60ce20ceb1f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.11987",
    "kind": "arxiv",
    "version": 1
  }
}