Pith Number

pith:EJUIRVJJ

pith:2015:EJUIRVJJGTH7HX2N6QWT6NLPPM

not attested not anchored not stored refs pending

Local orbital angular momentum revealed by spiral phase plate imaging in transmission electron microscopy

Jo Verbeeck, Roeland Juchtmans

arxiv:1512.04789 v2 · 2015-12-15 · 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{EJUIRVJJGTH7HX2N6QWT6NLPPM}

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	2026-05-18T01:21:03.941643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

226888d52934cff3df4df42d3f356f7b3ce741370eadb15f01c30e114d9838a6

Aliases

arxiv: 1512.04789 · arxiv_version: 1512.04789v2 · doi: 10.48550/arxiv.1512.04789 · pith_short_12: EJUIRVJJGTH7 · pith_short_16: EJUIRVJJGTH7HX2N · pith_short_8: EJUIRVJJ

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/EJUIRVJJGTH7HX2N6QWT6NLPPM \
  | 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: 226888d52934cff3df4df42d3f356f7b3ce741370eadb15f01c30e114d9838a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d72dda42035c0d779587a46f321fd72e7b37b35cf0223925211bd988b227c050",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-12-15T14:07:13Z",
    "title_canon_sha256": "77a888202a22185d2ffa7e54e3568719917c953a8a899ea19581ab5fb3bd6a06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04789",
    "kind": "arxiv",
    "version": 2
  }
}