Pith Number

pith:PHRKRV6E

pith:2020:PHRKRV6ESSHPUIF2L5Z5YZO6DO

not attested not anchored not stored refs pending

The Role of Low Intrinsic Emittance in Modern Photoinjector Brightness

Bruce M. Dunham, Christopher M. Pierce, Colwyn Gulliford, Edmond Lu, Ivan V. Bazarov, Jared M. Maxson, Matthew B. Andorf, Matthew Gordon, Nora P. Norvell, Tor O. Raubenheimer, Young-Kee Kim

arxiv:2004.08034 v1 · 2020-04-17 · 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{PHRKRV6ESSHPUIF2L5Z5YZO6DO}

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	2026-07-05T01:23:06.029891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79e2a8d7c4948efa20ba5f73dc65de1b93f1bcfa13425daf5b69b72dadd893c7

Aliases

arxiv: 2004.08034 · arxiv_version: 2004.08034v1 · doi: 10.48550/arxiv.2004.08034 · pith_short_12: PHRKRV6ESSHP · pith_short_16: PHRKRV6ESSHPUIF2 · pith_short_8: PHRKRV6E

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/PHRKRV6ESSHPUIF2L5Z5YZO6DO \
  | 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: 79e2a8d7c4948efa20ba5f73dc65de1b93f1bcfa13425daf5b69b72dadd893c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "000d8b05a060c444136c40c6dca13b2073e5a164a7292050211ae5c9c1e9231a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2020-04-17T02:10:26Z",
    "title_canon_sha256": "dbcb05dbc835aa152019a4a371a302cae80eda20a2aca06611ba5d7f85717139"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.08034",
    "kind": "arxiv",
    "version": 1
  }
}