pith. sign in
Pith Number

pith:76PCHJM2

pith:2016:76PCHJM2Z5Z7BULC7XZJXK4RVS
not attested not anchored not stored refs pending

Improving the energy-extraction efficiency of laser-plasma accelerator driven free-electron laser using transverse-gradient undulator with focusing optics and longitudinal tapering

G. Zhou, J. Wu, T. Zhang, Y. Jiao

arxiv:1608.03067 v1 · 2016-08-10 · physics.acc-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{76PCHJM2Z5Z7BULC7XZJXK4RVS}

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 2026-05-18T01:09:30.331572Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ff9e23a59acf73f0d162fdf29bab91ac80ad5c72bd6e9a0bfdb2656060d7bfbb

Aliases

arxiv: 1608.03067 · arxiv_version: 1608.03067v1 · doi: 10.48550/arxiv.1608.03067 · pith_short_12: 76PCHJM2Z5Z7 · pith_short_16: 76PCHJM2Z5Z7BULC · pith_short_8: 76PCHJM2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/76PCHJM2Z5Z7BULC7XZJXK4RVS \
  | 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: ff9e23a59acf73f0d162fdf29bab91ac80ad5c72bd6e9a0bfdb2656060d7bfbb
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "30104fc278fa4d6c97d4977372f1c081af11351bffee051766d7c6e42730ccb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2016-08-10T07:52:21Z",
    "title_canon_sha256": "8eda8c7805830669090d3e7e1dabb9e624490afd3ac0dc135d60f0d142b8bdea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.03067",
    "kind": "arxiv",
    "version": 1
  }
}