Pith Number

pith:42NVH5TE

pith:2012:42NVH5TERLN4L6JCWQJFJNN6YC

not attested not anchored not stored refs pending

Upgrades of beam diagnostics in support of emittance-exchange experiments at the Fermilab A0 photoinjector

A. H. Lumpkin, A. S. Johnson, H. Edwards (Fermilab), J. Ruan, J. Santucci, R. Thurman-Keup, Y.-E. Sun

arxiv:1208.2004 v1 · 2012-08-09 · 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{42NVH5TERLN4L6JCWQJFJNN6YC}

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	2026-05-18T03:49:09.540336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e69b53f6648adbc5f922b41254b5bec0b46a3441eed4ce1773d379952da3ca8e

Aliases

arxiv: 1208.2004 · arxiv_version: 1208.2004v1 · doi: 10.48550/arxiv.1208.2004 · pith_short_12: 42NVH5TERLN4 · pith_short_16: 42NVH5TERLN4L6JC · pith_short_8: 42NVH5TE

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/42NVH5TERLN4L6JCWQJFJNN6YC \
  | 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: e69b53f6648adbc5f922b41254b5bec0b46a3441eed4ce1773d379952da3ca8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19a37c4af944c56113baeb141785ea802a6c5bb51fd9d91e8724cc53d46040bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2012-08-09T19:09:13Z",
    "title_canon_sha256": "2b3ecd59e485daaaea689a1fc82f97201d6d3ba47085c6d986972c585daa55c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2004",
    "kind": "arxiv",
    "version": 1
  }
}