pith. sign in
Pith Number

pith:6DNJIU56

pith:2013:6DNJIU56CT5AACN3UIYSPTXOEY
not attested not anchored not stored refs pending

Investigation of a 2-Colour Undulator FEL Using Puffin

B.W.J. McNeil, L.T. Campbell, S. Reiche

arxiv:1308.5538 v2 · 2013-08-26 · physics.acc-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6DNJIU56CT5AACN3UIYSPTXOEY}

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 2026-05-18T03:14:18.915486Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f0da9453be14fa0009bba23127ceee261f52a27f44248b737aeb98c0333557dc

Aliases

arxiv: 1308.5538 · arxiv_version: 1308.5538v2 · doi: 10.48550/arxiv.1308.5538 · pith_short_12: 6DNJIU56CT5A · pith_short_16: 6DNJIU56CT5AACN3 · pith_short_8: 6DNJIU56
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6DNJIU56CT5AACN3UIYSPTXOEY \
  | 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: f0da9453be14fa0009bba23127ceee261f52a27f44248b737aeb98c0333557dc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0d011927a9aec05735568fbbf4d1afbbfd862d30f6e12459697db036fb074669",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2013-08-26T10:42:29Z",
    "title_canon_sha256": "7432b7651562c6b371475159bf06dd6a3512fd5173551ab08133cf286a8fa2d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5538",
    "kind": "arxiv",
    "version": 2
  }
}