Pith Number

pith:IMNIY2JL

pith:2020:IMNIY2JLQKBTLRHVSX3BIDQ24Q

not attested not anchored not stored refs pending

Separation of target anatomical structure and occlusions in chest radiographs

Georg Langs, Helmut Prosch, Johannes Hofmanninger, Sebastian Roehrich

arxiv:2002.00751 v1 · 2020-02-03 · physics.med-ph · cs.CV · cs.LG · eess.IV · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IMNIY2JLQKBTLRHVSX3BIDQ24Q}

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	2026-07-05T00:37:57.212436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

431a8c692b828335c4f595f6140e1ae415aa3664e5e27dbdeb56f6cb056d1334

Aliases

arxiv: 2002.00751 · arxiv_version: 2002.00751v1 · doi: 10.48550/arxiv.2002.00751 · pith_short_12: IMNIY2JLQKBT · pith_short_16: IMNIY2JLQKBTLRHV · pith_short_8: IMNIY2JL

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/IMNIY2JLQKBTLRHVSX3BIDQ24Q \
  | 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: 431a8c692b828335c4f595f6140e1ae415aa3664e5e27dbdeb56f6cb056d1334

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e766045100f2d1e3db5b95b16646890c50f1b3c4efeeffa5f3c61074bd4387ae",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG",
      "eess.IV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2020-02-03T14:01:06Z",
    "title_canon_sha256": "1bb20e05c9cb56d7dba164ae7d6b300a742c2b85110c91e397b6a456b3a6bc3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.00751",
    "kind": "arxiv",
    "version": 1
  }
}