Pith Number

pith:6IJ2PFGD

pith:2023:6IJ2PFGD4JRDP77MPWC75NKRNK

not attested not anchored not stored refs pending

Single-shot X-ray Dark-field Tomography

Adam Doherty, Alberto Astolfo, Alessandro Olivo, Antonio Citro, Ian Buchanan, Marco Endrizzi, Mattia F. M. Gerli, Savvas Savvidis

arxiv:2308.09465 v1 · 2023-08-18 · physics.med-ph · 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{6IJ2PFGD4JRDP77MPWC75NKRNK}

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	2026-07-05T06:42:33.012480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f213a794c3e26237ffec7d85feb5516a8fa3e17d98a3f8a27809d38ae786940d

Aliases

arxiv: 2308.09465 · arxiv_version: 2308.09465v1 · doi: 10.48550/arxiv.2308.09465 · pith_short_12: 6IJ2PFGD4JRD · pith_short_16: 6IJ2PFGD4JRDP77M · pith_short_8: 6IJ2PFGD

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/6IJ2PFGD4JRDP77MPWC75NKRNK \
  | 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: f213a794c3e26237ffec7d85feb5516a8fa3e17d98a3f8a27809d38ae786940d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a788d6211b3cc18e58041aca2fa0158c0ec6f0768bd8a6c8b758c1bdd72bd3fc",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2023-08-18T11:03:00Z",
    "title_canon_sha256": "f2737ab7460cbcc50f94cf5050c57c02b597effca040ce94ae53abdebe00a3de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.09465",
    "kind": "arxiv",
    "version": 1
  }
}