Pith Number

pith:TH2PT3IY

pith:2021:TH2PT3IYMQUJ5YAGE7RJY4ONCM

not attested not anchored not stored refs pending

A Photonics-based superheterodyne RF reception approach

Guangyu Gao, Huanfa Peng, Naijin Liu, Qiang Zhao, Qijun Liang, Ziyu Liu

arxiv:2108.05968 v1 · 2021-08-09 · physics.app-ph · 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{TH2PT3IYMQUJ5YAGE7RJY4ONCM}

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	2026-07-05T03:05:35.977100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99f4f9ed1864289ee00627e29c71cd130f5963f03fb379aeabbb104430e379f3

Aliases

arxiv: 2108.05968 · arxiv_version: 2108.05968v1 · doi: 10.48550/arxiv.2108.05968 · pith_short_12: TH2PT3IYMQUJ · pith_short_16: TH2PT3IYMQUJ5YAG · pith_short_8: TH2PT3IY

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/TH2PT3IYMQUJ5YAGE7RJY4ONCM \
  | 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: 99f4f9ed1864289ee00627e29c71cd130f5963f03fb379aeabbb104430e379f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9684c38061d0d5f7c6e2f4f30ceb6184098342ab60377f0d3a95b05a552f863d",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2021-08-09T06:21:59Z",
    "title_canon_sha256": "cb29fd00bc9c87533602c16f794c9170d2d8df2e69ced9b47033913a7cb5782b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.05968",
    "kind": "arxiv",
    "version": 1
  }
}