Pith Number

pith:EPKW6W7K

pith:2018:EPKW6W7KSGVIEVULZIGAVQYJLB

not attested not anchored not stored refs pending

An optical and terahertz instrumentation system at the FAST linac at Fermilab

A.H. Lumpkin, J. Thangaraj (Fermilab), R. Thurman-Keup

arxiv:1803.01026 v1 · 2018-03-02 · 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{EPKW6W7KSGVIEVULZIGAVQYJLB}

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	2026-05-18T00:22:01.981392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23d56f5bea91aa82568bca0c0ac30958431338c2565c1e96b45ec2280953f76c

Aliases

arxiv: 1803.01026 · arxiv_version: 1803.01026v1 · doi: 10.48550/arxiv.1803.01026 · pith_short_12: EPKW6W7KSGVI · pith_short_16: EPKW6W7KSGVIEVUL · pith_short_8: EPKW6W7K

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/EPKW6W7KSGVIEVULZIGAVQYJLB \
  | 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: 23d56f5bea91aa82568bca0c0ac30958431338c2565c1e96b45ec2280953f76c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09c4f2e9562467fd0ad058f68c40b5609991c1fa495eb2a4106f23fc98d64657",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2018-03-02T19:54:45Z",
    "title_canon_sha256": "9321870274ab2b74f22f0c171f087b0212e56c9ed6ab16bc8023dbc3acf896db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01026",
    "kind": "arxiv",
    "version": 1
  }
}