Pith Number

pith:PNYPR2VX

pith:2014:PNYPR2VXPP4J2KTVUK6S6YZBNT

not attested not anchored not stored refs pending

An anthropomorphic multimodality (CT/MRI) phantom prototype for end-to-end tests in radiation therapy

Armin Runz, Nina I. Niebuhr, Nora H\"unemohr, Oliver J\"akel, Raya R. Gallas, Steffen Greilich

arxiv:1402.3793 v2 · 2014-02-16 · 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{PNYPR2VXPP4J2KTVUK6S6YZBNT}

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	2026-05-18T01:25:18.543611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b70f8eab77bf89d2a75a2bd2f63216ce8fe36ae7bd18ab23787a2a8c3ff34d1

Aliases

arxiv: 1402.3793 · arxiv_version: 1402.3793v2 · doi: 10.48550/arxiv.1402.3793 · pith_short_12: PNYPR2VXPP4J · pith_short_16: PNYPR2VXPP4J2KTV · pith_short_8: PNYPR2VX

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/PNYPR2VXPP4J2KTVUK6S6YZBNT \
  | 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: 7b70f8eab77bf89d2a75a2bd2f63216ce8fe36ae7bd18ab23787a2a8c3ff34d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe257a9fb00038a725080ff2d5e760891e1c6738525f3b8f53510378c5ddd32d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2014-02-16T12:29:13Z",
    "title_canon_sha256": "0560653597bb9b02ce4d002c0de9fc2c71a6b6aaef1232aea1575ba936245d1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3793",
    "kind": "arxiv",
    "version": 2
  }
}