Pith Number

pith:JDY5WL4C

pith:2021:JDY5WL4CTAD2JZ4H64Y6AN3BPM

not attested not anchored not stored refs pending

A kiloelectron-volt ultrafast electron micro-diffraction apparatus using low emittance semiconductor photocathodes

A. C. Bartnik, A. Galdi, C. A. Pennington, C. J. R. Duncan, E. Bianco, I. V. Bazarov, J. M. Maxson, L. Cultrera, L. F. Kourkoutis, M. B. Andorf, M. Gordon, M. Kaemingk, W. H. Li

arxiv:2111.07922 v3 · 2021-11-15 · 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{JDY5WL4CTAD2JZ4H64Y6AN3BPM}

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	2026-07-05T08:33:24.366510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48f1db2f829807a4e787f731e037617b086ba44741a6da34c908519a3652a9d3

Aliases

arxiv: 2111.07922 · arxiv_version: 2111.07922v3 · doi: 10.48550/arxiv.2111.07922 · pith_short_12: JDY5WL4CTAD2 · pith_short_16: JDY5WL4CTAD2JZ4H · pith_short_8: JDY5WL4C

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/JDY5WL4CTAD2JZ4H64Y6AN3BPM \
  | 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: 48f1db2f829807a4e787f731e037617b086ba44741a6da34c908519a3652a9d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95b75beea130390d255a1cc8e0d8d74ebd4c73a17293ae43c7afbc862797836c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2021-11-15T17:18:16Z",
    "title_canon_sha256": "f175785e450b531d0cfffae741360546bf0d3a9f5cfb22a63c8e8df1e7abbdf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.07922",
    "kind": "arxiv",
    "version": 3
  }
}