Pith Number

pith:XSSKJSRU

pith:2018:XSSKJSRU7V5R4FYGHHF26OHV7V

not attested not anchored not stored refs pending

A 3-D Projection Model for X-ray Dark-field Imaging

Andreas Maier, Christian Riess, Gisela Anton, Lina Felsner, Shiyang Hu, Veronika Ludwig

arxiv:1811.04457 v2 · 2018-11-11 · physics.med-ph · cs.CV · 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{XSSKJSRU7V5R4FYGHHF26OHV7V}

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	2026-05-17T23:52:09.306258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bca4a4ca34fd7b1e170639cbaf38f5fd6c3bef0fbcb9b5991532390024fa73c3

Aliases

arxiv: 1811.04457 · arxiv_version: 1811.04457v2 · doi: 10.48550/arxiv.1811.04457 · pith_short_12: XSSKJSRU7V5R · pith_short_16: XSSKJSRU7V5R4FYG · pith_short_8: XSSKJSRU

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/XSSKJSRU7V5R4FYGHHF26OHV7V \
  | 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: bca4a4ca34fd7b1e170639cbaf38f5fd6c3bef0fbcb9b5991532390024fa73c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adb3b157ce4db9f48862f00c5a3798f6a9142457321ee2e062afdbcb19509b75",
    "cross_cats_sorted": [
      "cs.CV",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-11-11T19:09:48Z",
    "title_canon_sha256": "f1a88b03b71405a4c2f3a1ad3698a7df928f06a733af4238b6103fac7c3c9c6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.04457",
    "kind": "arxiv",
    "version": 2
  }
}