Pith Number

pith:OBIJVAPL

pith:2022:OBIJVAPLNNMNH4VIECJM4FINIX

not attested not anchored not stored refs pending

Fully-integrated multipurpose microwave frequency identification system on a single chip

Daigao Chen, Feng Zhou, Jianji Dong, Ming Li, Shaohua Yu, Xinliang Zhang, Xi Xiao, Yanxian Wei, Yuguang Zhang, Yuhan Yao, Yuhe Zhao

arxiv:2202.12940 v1 · 2022-02-17 · eess.SP · 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{OBIJVAPLNNMNH4VIECJM4FINIX}

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	2026-07-05T04:00:24.247755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70509a81eb6b58d3f2a82092ce150d45f7e28cc8a2bd0353692057c5688346fb

Aliases

arxiv: 2202.12940 · arxiv_version: 2202.12940v1 · doi: 10.48550/arxiv.2202.12940 · pith_short_12: OBIJVAPLNNMN · pith_short_16: OBIJVAPLNNMNH4VI · pith_short_8: OBIJVAPL

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/OBIJVAPLNNMNH4VIECJM4FINIX \
  | 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: 70509a81eb6b58d3f2a82092ce150d45f7e28cc8a2bd0353692057c5688346fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f34a514b059a66e9554c559907e23e9ca66740875f3c08fe2b63b529c0df0dc9",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2022-02-17T03:02:22Z",
    "title_canon_sha256": "e4ecb9975d1f3812440f1d7b148059e7642e5a4f74574fb973ab0b802296e240"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.12940",
    "kind": "arxiv",
    "version": 1
  }
}