Pith Number

pith:PSPBLPNF

pith:2017:PSPBLPNFLZNEQ4HU46VERUYJSB

not attested not anchored not stored refs pending

Phase retrieval of an electron vortex beam using diffraction holography

Ebrahim Karimi, Federico Venturi, Gian Carlo Gazzadi, Marco Campanini, Rafal E. Dunin-Borkowski, Roberto Balboni, Robert W. Boyd, Stefano Frabboni, Vincenzo Grillo

arxiv:1703.08496 v1 · 2017-03-24 · 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{PSPBLPNFLZNEQ4HU46VERUYJSB}

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	2026-05-18T00:28:56.180856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c9e15bda55e5a4870f4e7aa48d30990739b3e29a4893a9a0e6306cdd9a47913

Aliases

arxiv: 1703.08496 · arxiv_version: 1703.08496v1 · doi: 10.48550/arxiv.1703.08496 · pith_short_12: PSPBLPNFLZNE · pith_short_16: PSPBLPNFLZNEQ4HU · pith_short_8: PSPBLPNF

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/PSPBLPNFLZNEQ4HU46VERUYJSB \
  | 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: 7c9e15bda55e5a4870f4e7aa48d30990739b3e29a4893a9a0e6306cdd9a47913

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1de30dec554ed5499897887405de07614f385c858e1a173fbb6e875d07daae49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-03-24T16:38:52Z",
    "title_canon_sha256": "9bf56aade03055cf5469e65d55b63695a40e528084e7c57124977ede2a96da3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08496",
    "kind": "arxiv",
    "version": 1
  }
}