Pith Number

pith:DUUH5WQK

pith:2018:DUUH5WQKSUSEFHHB7INSRAE2HG

not attested not anchored not stored refs pending

Atomic inner-shell radiation seeded free-electron lasers

Baoyuan Sun, Haixiao Deng, Han Zhang, Jiawei Yan, Kai Li

arxiv:1803.07765 v1 · 2018-03-21 · 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{DUUH5WQKSUSEFHHB7INSRAE2HG}

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	2026-05-18T00:09:25.542001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d287eda0a9524429ce1fa1b28809a398daadc729e1e69b837dc752b2ddd406c

Aliases

arxiv: 1803.07765 · arxiv_version: 1803.07765v1 · doi: 10.48550/arxiv.1803.07765 · pith_short_12: DUUH5WQKSUSE · pith_short_16: DUUH5WQKSUSEFHHB · pith_short_8: DUUH5WQK

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/DUUH5WQKSUSEFHHB7INSRAE2HG \
  | 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: 1d287eda0a9524429ce1fa1b28809a398daadc729e1e69b837dc752b2ddd406c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43b2c0c2e562dd5b1dec56afe1ccc943c48d2994319cfde16bca7607f9c9ee44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2018-03-21T06:35:38Z",
    "title_canon_sha256": "595ec799aad62eda1daf2838f4e875f2ddef03d2f7dc80955a4b2668f48dd394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07765",
    "kind": "arxiv",
    "version": 1
  }
}