Pith Number

pith:FNV3WGML

pith:2014:FNV3WGMLN4MTIXMKE64PZ2PJCQ

not attested not anchored not stored refs pending

Quantitative measurement of orbital angular momentum in electron microscopy

A. B\'ech\'e, G. Guzzinati, J. Verbeeck, L. Clark

arxiv:1403.4398 v1 · 2014-03-18 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FNV3WGMLN4MTIXMKE64PZ2PJCQ}

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	2026-05-18T02:51:33.183296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b6bbb198b6f19345d8a27b8fce9e91434188792a41800827336b7dcd3be687b

Aliases

arxiv: 1403.4398 · arxiv_version: 1403.4398v1 · doi: 10.48550/arxiv.1403.4398 · pith_short_12: FNV3WGMLN4MT · pith_short_16: FNV3WGMLN4MTIXMK · pith_short_8: FNV3WGML

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/FNV3WGMLN4MTIXMKE64PZ2PJCQ \
  | 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: 2b6bbb198b6f19345d8a27b8fce9e91434188792a41800827336b7dcd3be687b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66de4e8ab7b3a90a855220c09b6375821fc4d8360661111a41c999294b1e4ed7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-03-18T10:37:56Z",
    "title_canon_sha256": "b76c936e963d38b14625f6bb070636025a34873c9ad4ea24e8ab7a95feb69388"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4398",
    "kind": "arxiv",
    "version": 1
  }
}