Pith Number

pith:ZHN37BBQ

pith:2017:ZHN37BBQZXIAUIAAYRRCADS6MC

not attested not anchored not stored refs pending

Switchyard design for the Shanghai soft x-ray free electron laser facility

Dazhang Huang, Duan Gu, Meng Zhang, Qiang Gu, Zhen Wang

arxiv:1704.07539 v2 · 2017-04-25 · 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{ZHN37BBQZXIAUIAAYRRCADS6MC}

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	2026-05-18T00:44:33.301217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9dbbf8430cdd00a2000c462200e5e60853c67dab2af227c058998853bac3e78

Aliases

arxiv: 1704.07539 · arxiv_version: 1704.07539v2 · doi: 10.48550/arxiv.1704.07539 · pith_short_12: ZHN37BBQZXIA · pith_short_16: ZHN37BBQZXIAUIAA · pith_short_8: ZHN37BBQ

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/ZHN37BBQZXIAUIAAYRRCADS6MC \
  | 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: c9dbbf8430cdd00a2000c462200e5e60853c67dab2af227c058998853bac3e78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eac3ce96c2c76bdc8e2bdc30b62f9bf9a8f52a2a4a856cdcb706e7715e979fbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2017-04-25T04:55:16Z",
    "title_canon_sha256": "d3ac272162fb917e02b8595e342eea2415973e246c0e16ff21652f23dacba375"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07539",
    "kind": "arxiv",
    "version": 2
  }
}