Pith Number

pith:DF66UF7C

pith:2021:DF66UF7CW2H5YAIWK2EGM7RYBM

not attested not anchored not stored refs pending

Proceedings of the 16th Virtual International Meeting on Fully 3D Image Reconstruction in Radiology and Nuclear Medicine

Ahmadreza Rezaei, Georg Schramm, Johan Nuyts, Kris Thielemans

arxiv:2110.04143 v1 · 2021-10-07 · physics.med-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DF66UF7CW2H5YAIWK2EGM7RYBM}

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	2026-07-05T03:21:01.525952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

197dea17e2b68fdc01165688667e380b3c625a802e1e98d5e0b0eccd1f8abf4b

Aliases

arxiv: 2110.04143 · arxiv_version: 2110.04143v1 · doi: 10.48550/arxiv.2110.04143 · pith_short_12: DF66UF7CW2H5 · pith_short_16: DF66UF7CW2H5YAIW · pith_short_8: DF66UF7C

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/DF66UF7CW2H5YAIWK2EGM7RYBM \
  | 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: 197dea17e2b68fdc01165688667e380b3c625a802e1e98d5e0b0eccd1f8abf4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfb74769b65a38b6aa91571258716f53bfcf6bbc432623d6edf4c9d7399a513d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2021-10-07T09:46:36Z",
    "title_canon_sha256": "1d5e5e557b4766f255a007e82d48991af7f97bb8dae2f289baebd392afa96d66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.04143",
    "kind": "arxiv",
    "version": 1
  }
}