Pith Number

pith:QAS66FSE

pith:2011:QAS66FSE5YKKM3VJ374UPQPDFC

not attested not anchored not stored refs pending

Comparison of DC and SRF Photoemission Guns For High Brightness High Average Current Beam Production

Allen Kim, Ivan V. Bazarov, Jared M. Maxson, Manu N. Lakshmanan

arxiv:1103.5108 v2 · 2011-03-26 · 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{QAS66FSE5YKKM3VJ374UPQPDFC}

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	2026-05-18T04:15:05.401121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8025ef1644ee14a66ea9dff947c1e328a12ea4552293a2ded4bfea51d85b0354

Aliases

arxiv: 1103.5108 · arxiv_version: 1103.5108v2 · doi: 10.48550/arxiv.1103.5108 · pith_short_12: QAS66FSE5YKK · pith_short_16: QAS66FSE5YKKM3VJ · pith_short_8: QAS66FSE

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/QAS66FSE5YKKM3VJ374UPQPDFC \
  | 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: 8025ef1644ee14a66ea9dff947c1e328a12ea4552293a2ded4bfea51d85b0354

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "189664107895589a28ba738a16315e1cf2957464aed958c217f62026c803d36e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2011-03-26T06:36:19Z",
    "title_canon_sha256": "3c13f596b55f6cb7a050672e257d1fd60cfdd6f51ec33da569b0452716dd7b5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5108",
    "kind": "arxiv",
    "version": 2
  }
}