Pith Number

pith:7NFGFJF5

pith:2014:7NFGFJF5C6XPERYK2E7W3STL3J

not attested not anchored not stored refs pending

Measuring the Orbital Angular Momentum of Electron Beams

Armand B\'ech\'e, Giulio Guzzinati, Jo Verbeeck, Laura Clark

arxiv:1401.7211 v2 · 2014-01-28 · physics.optics · physics.ins-det · quant-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{7NFGFJF5C6XPERYK2E7W3STL3J}

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	2026-05-18T02:58:56.303861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb4a62a4bd17aef2470ad13f6dca6bda4be88f3de6ae5f28e9c97a0cb56b3328

Aliases

arxiv: 1401.7211 · arxiv_version: 1401.7211v2 · doi: 10.48550/arxiv.1401.7211 · pith_short_12: 7NFGFJF5C6XP · pith_short_16: 7NFGFJF5C6XPERYK · pith_short_8: 7NFGFJF5

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/7NFGFJF5C6XPERYK2E7W3STL3J \
  | 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: fb4a62a4bd17aef2470ad13f6dca6bda4be88f3de6ae5f28e9c97a0cb56b3328

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9246bb523ff58c99cfb0d66b918d28a297805eb1b9d55024997272f80bdb99f8",
    "cross_cats_sorted": [
      "physics.ins-det",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-01-28T15:14:29Z",
    "title_canon_sha256": "f24efb826419ad4bbe6dfd6e5578c3167bec3b4860f1411cec8612b70322dcf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7211",
    "kind": "arxiv",
    "version": 2
  }
}