Pith Number

pith:LPGHJWFP

pith:2004:LPGHJWFPUO62GREU3N6DGF2WML

not attested not anchored not stored refs pending

RF Couplers for Normal-Conducting Photoinjector of High-Power CW FEL

Dale Schrage, John Rathke (AES), Lloyd Young (TechSource), Richard Wood (LANL), Sergey Kurennoy, Tom Schultheiss

arxiv:physics/0404109 v1 · 2004-04-22 · 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{LPGHJWFPUO62GREU3N6DGF2WML}

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	2026-07-04T14:44:17.977767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bcc74d8afa3bda34494db7c33175662df2e99df49e97b563fa6ba5d933890b9

Aliases

arxiv: physics/0404109 · arxiv_version: physics/0404109v1 · doi: 10.48550/arxiv.physics/0404109 · pith_short_12: LPGHJWFPUO62 · pith_short_16: LPGHJWFPUO62GREU · pith_short_8: LPGHJWFP

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/LPGHJWFPUO62GREU3N6DGF2WML \
  | 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: 5bcc74d8afa3bda34494db7c33175662df2e99df49e97b563fa6ba5d933890b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1e545ee1ac8a8a4bf6400bf12c0656e6978f96d9ca88ebe56f7630617d82881",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2004-04-22T22:55:48Z",
    "title_canon_sha256": "7032a4c6b9f8def4380525ab5ebd594e4fd21517e7617ea1de58e5a5ebf50ff3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0404109",
    "kind": "arxiv",
    "version": 1
  }
}