Pith Number

pith:R54ITPON

pith:2014:R54ITPONSJ6QCXVO3YGZJBZUPI

not attested not anchored not stored refs pending

Design and test of frequency tuner for CAEP high power THz free-electron laser

Danyang Zhao, Guangwei Wang, Haiying Lin, Jianping Dai, Ming Li, Peng Sha, Qiang Ma, Shengwen Quan, Weimin Pan, Xiangyang Lu, Xingfan Yang, Xing Luo, Yi Sun, Zhenghui Mi, Zhongquan Li

arxiv:1404.3487 v1 · 2014-04-14 · physics.acc-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{R54ITPONSJ6QCXVO3YGZJBZUPI}

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	2026-05-18T01:43:35.023427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f7889bdcd927d015eaede0d9487347a1d03417e6b96f561b5c233eb8a927a67

Aliases

arxiv: 1404.3487 · arxiv_version: 1404.3487v1 · doi: 10.48550/arxiv.1404.3487 · pith_short_12: R54ITPONSJ6Q · pith_short_16: R54ITPONSJ6QCXVO · pith_short_8: R54ITPON

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/R54ITPONSJ6QCXVO3YGZJBZUPI \
  | 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: 8f7889bdcd927d015eaede0d9487347a1d03417e6b96f561b5c233eb8a927a67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15654b5d093796eb91b0b8c17d8b2d38125db3d866ce15bb8b527561b2051c5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2014-04-14T08:29:07Z",
    "title_canon_sha256": "c49f9b06850fbbd04c94741529e224c05cc18b3a8dd429b42cf6a69b4735304d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3487",
    "kind": "arxiv",
    "version": 1
  }
}