Pith Number

pith:QVRX7TRK

pith:2017:QVRX7TRK5V3ZQXTH5JXFBJ72DM

not attested not anchored not stored refs pending

Extending the photon energy coverage of an x-ray self-seeding FEL via the reverse taper enhanced harmonic generation technique

Chao Feng, Dong Wang, Haixiao Deng, Kaiqing Zhang, Zheng Qi, Zhentang Zhao

arxiv:1701.04194 v1 · 2017-01-16 · 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{QVRX7TRK5V3ZQXTH5JXFBJ72DM}

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	2026-05-18T00:47:04.472084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85637fce2aed77985e67ea6e50a7fa1b19f0e1b3880e7f7c5fb9caa7e03abcb5

Aliases

arxiv: 1701.04194 · arxiv_version: 1701.04194v1 · doi: 10.48550/arxiv.1701.04194 · pith_short_12: QVRX7TRK5V3Z · pith_short_16: QVRX7TRK5V3ZQXTH · pith_short_8: QVRX7TRK

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/QVRX7TRK5V3ZQXTH5JXFBJ72DM \
  | 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: 85637fce2aed77985e67ea6e50a7fa1b19f0e1b3880e7f7c5fb9caa7e03abcb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cfc4d6145eb46b89aad0640f15b1a6db0d438b9320ad71b9bcc90e7a93fc7c0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2017-01-16T07:12:57Z",
    "title_canon_sha256": "c7f7034a5b1fd1bea483faf6fea1d07c06f457c6ceed330244d6e89ff2e935de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04194",
    "kind": "arxiv",
    "version": 1
  }
}