The reviewed record of science sign in
Pith
Pith Number

pith:4VTHXJOE

pith:2019:4VTHXJOED4I4MTCKXEAHZOPMHL
not attested not anchored not stored refs pending

X-ray optics and beam characterization using random modulation: Theory

Eric Ziegler, Pierre Piault, Rafael Celestre, Raymond Barrett, Ruxandra Cojocaru, Sebastien Berujon, Thomas Roth

arxiv:1902.09418 v4 · 2019-02-25 · physics.optics · physics.app-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4VTHXJOED4I4MTCKXEAHZOPMHL}

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 2026-07-05T00:45:03.783555Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e5667ba5c41f11c64c4ab9007cb9ec3af4a1de141c3c513f6d8599791777a5cd

Aliases

arxiv: 1902.09418 · arxiv_version: 1902.09418v4 · doi: 10.48550/arxiv.1902.09418 · pith_short_12: 4VTHXJOED4I4 · pith_short_16: 4VTHXJOED4I4MTCK · pith_short_8: 4VTHXJOE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4VTHXJOED4I4MTCKXEAHZOPMHL \
  | 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: e5667ba5c41f11c64c4ab9007cb9ec3af4a1de141c3c513f6d8599791777a5cd
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "70aadfc50a93b3ebf28446493b1b77934ac39b7f110fd2f87e4c33046b7e18e4",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-02-25T16:33:56Z",
    "title_canon_sha256": "93c8b6e962c2d1a16238b498027b604fe870bb4376476a414f22744cb6345d15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09418",
    "kind": "arxiv",
    "version": 4
  }
}