Pith Number

pith:73VIE5M6

pith:2000:73VIE5M6VHOJPWHZ7GKF4DMTJQ

not attested not anchored not stored refs pending

The Jefferson Lab 1 kW IR FEL

David Douglas (for the IR Demonstration FEL Project Team, Newport News, Thomas Jefferson National Accelerator Facility, USA), VA

arxiv:physics/0007094 v4 · 2000-07-28 · 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{73VIE5M6VHOJPWHZ7GKF4DMTJQ}

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	2026-05-18T02:35:07.746308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feea82759ea9dc97d8f9f9945e0d934c2250df4ddbb063df82e73bc4a6695e03

Aliases

arxiv: physics/0007094 · arxiv_version: physics/0007094v4 · doi: 10.48550/arxiv.physics/0007094 · pith_short_12: 73VIE5M6VHOJ · pith_short_16: 73VIE5M6VHOJPWHZ · pith_short_8: 73VIE5M6

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/73VIE5M6VHOJPWHZ7GKF4DMTJQ \
  | 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: feea82759ea9dc97d8f9f9945e0d934c2250df4ddbb063df82e73bc4a6695e03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8d16b5e430f19fc7c07613c4ef6955a8c522354bbbd907f2896ecc683d6d64f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2000-07-28T17:09:58Z",
    "title_canon_sha256": "e26fcda94a54c83f2439038d836486f0ba111148f2c15050bd3fc9015dee200e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0007094",
    "kind": "arxiv",
    "version": 4
  }
}