Pith Number

pith:47TKGHT6

pith:2021:47TKGHT63A2PCM7NH4XUE3V7WW

not attested not anchored not stored refs pending

Tomographic phase and attenuation extraction for a sample composed of unknown materials using X-ray propagation-based phase-contrast imaging

Darren Lockie, David M. Paganin, Fabrizio Zanconati, Fulvia Arfelli, Giuliana Tromba, Kaye S. Morgan, Konstantin M. Pavlov, Ralf Hendrik Menk, Samantha J. Alloo, Sara Mohammadi, Sherry C. Mayo, Timur E. Gureyev

arxiv:2110.06284 v2 · 2021-10-12 · physics.med-ph · eess.IV · 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{47TKGHT63A2PCM7NH4XUE3V7WW}

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	2026-07-05T06:35:22.631226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7e6a31e7ed834f133ed3f2f426ebfb58deb2642c6272b6e5370687c3d0e02ab

Aliases

arxiv: 2110.06284 · arxiv_version: 2110.06284v2 · doi: 10.48550/arxiv.2110.06284 · pith_short_12: 47TKGHT63A2P · pith_short_16: 47TKGHT63A2PCM7N · pith_short_8: 47TKGHT6

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/47TKGHT63A2PCM7NH4XUE3V7WW \
  | 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: e7e6a31e7ed834f133ed3f2f426ebfb58deb2642c6272b6e5370687c3d0e02ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81c3d5f5004266605f098dd0e95fc4676e929a0c84cb7cc437399ef8b8aa449f",
    "cross_cats_sorted": [
      "eess.IV",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2021-10-12T19:10:47Z",
    "title_canon_sha256": "004bcc383da50ff99db1e4d4ffd94c59007ef1e18a596298a1b0e911e1d6da30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.06284",
    "kind": "arxiv",
    "version": 2
  }
}