Pith Number

pith:ODRCW2UC

pith:2021:ODRCW2UCE2N6LSOM7ILC4NEPH3

not attested not anchored not stored refs pending

Simulation of an imaging system for internal contamination of lungs using MPA-MURA coded aperture collimator

Hai-wei Zhang, Jing Ning, Lei Wang, Ting Zhang, Wei Lu, Xian-guo Tuo, Xiaofei Wang

arxiv:2101.07442 v1 · 2021-01-19 · physics.med-ph · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ODRCW2UCE2N6LSOM7ILC4NEPH3}

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	2026-07-05T02:07:57.912691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70e22b6a82269be5c9ccfa162e348f3edd75f4120fdde01d624c1e864a9782f5

Aliases

arxiv: 2101.07442 · arxiv_version: 2101.07442v1 · doi: 10.48550/arxiv.2101.07442 · pith_short_12: ODRCW2UCE2N6 · pith_short_16: ODRCW2UCE2N6LSOM · pith_short_8: ODRCW2UC

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/ODRCW2UCE2N6LSOM7ILC4NEPH3 \
  | 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: 70e22b6a82269be5c9ccfa162e348f3edd75f4120fdde01d624c1e864a9782f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b21be40ac9f3fcd1e85a32ffc17df9ac14302fc8e420cb24faf5715d36c2506",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2021-01-19T03:35:11Z",
    "title_canon_sha256": "a2c8e8a0fb2ffddac991f876544ef26420c322d22742ba316affb05d93912c9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.07442",
    "kind": "arxiv",
    "version": 1
  }
}