Pith Number

pith:XWS2SK7F

pith:2016:XWS2SK7FNCGIUMPOJ7M4X4JS5S

not attested not anchored not stored refs pending

High efficiency energy extraction from a relativistic electron beam in a strongly tapered undulator

Avi Gover, Christina Swinson, Igor Pogorelsky, Ivan Gadjev, Joe Duris, Karl Kusche, Marcus Babzien, Mikhail Fedurin, Mikhail Polyaniy, Nicholas Sudar, Pietro Musumeci

arxiv:1605.01448 v1 · 2016-05-04 · 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{XWS2SK7FNCGIUMPOJ7M4X4JS5S}

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	2026-05-18T01:01:24.049169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bda5a92be5688c8a31ee4fd9cbf132ecb94e3f6b8d1afdb4077d0f730d3e29e4

Aliases

arxiv: 1605.01448 · arxiv_version: 1605.01448v1 · doi: 10.48550/arxiv.1605.01448 · pith_short_12: XWS2SK7FNCGI · pith_short_16: XWS2SK7FNCGIUMPO · pith_short_8: XWS2SK7F

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/XWS2SK7FNCGIUMPOJ7M4X4JS5S \
  | 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: bda5a92be5688c8a31ee4fd9cbf132ecb94e3f6b8d1afdb4077d0f730d3e29e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d8fb7b37a77fbd1405ef906247be399384ec55e6ce7f84a3368ed6a770638ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2016-05-04T22:27:42Z",
    "title_canon_sha256": "ea3957ebcec854265d3907265d4dcb70662358578a0cb2279786cd3b4879d7b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01448",
    "kind": "arxiv",
    "version": 1
  }
}