pith. sign in
Pith Number

pith:74ZCYTNS

pith:2017:74ZCYTNS7A4GZBKJKE3WYRXTG3
not attested not anchored not stored refs pending

Recent Operation of the FNAL Magnetron $H^{-}$ Ion Source

A. Sosa (Fermilab), D.S. Bollinger, P.R. Karns

arxiv:1704.08177 v1 · 2017-04-26 · physics.acc-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{74ZCYTNS7A4GZBKJKE3WYRXTG3}

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 2026-05-18T00:35:33.836629Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ff322c4db2f8386c854951376c46f336da41a6587c485c74f4c3840eee4c20dd

Aliases

arxiv: 1704.08177 · arxiv_version: 1704.08177v1 · doi: 10.48550/arxiv.1704.08177 · pith_short_12: 74ZCYTNS7A4G · pith_short_16: 74ZCYTNS7A4GZBKJ · pith_short_8: 74ZCYTNS
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/74ZCYTNS7A4GZBKJKE3WYRXTG3 \
  | 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: ff322c4db2f8386c854951376c46f336da41a6587c485c74f4c3840eee4c20dd
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5af75e600521464f3993d4ba68ec3953cede18d212e48f5f41e245a07d835f9a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2017-04-26T16:06:45Z",
    "title_canon_sha256": "c9ea5380aad2cae47a5613faa9a5a4b40cb154563a49a3d59c43f5d523e8ba20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08177",
    "kind": "arxiv",
    "version": 1
  }
}