Pith Number

pith:UI7B2YHV

pith:2022:UI7B2YHV4M7FM7SI2OBARGAMEO

not attested not anchored not stored refs pending

Survival Analysis for Idiopathic Pulmonary Fibrosis using CT Images and Incomplete Clinical Data

Ahmed H. Shahin, Daniel C. Alexander, David Barber, Joseph Jacob

arxiv:2203.11391 v1 · 2022-03-21 · eess.IV · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UI7B2YHV4M7FM7SI2OBARGAMEO}

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	2026-07-05T04:07:11.575593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a23e1d60f5e33e567e48d38208980c23b13ce9815264ce0ec53bb03855d3abce

Aliases

arxiv: 2203.11391 · arxiv_version: 2203.11391v1 · doi: 10.48550/arxiv.2203.11391 · pith_short_12: UI7B2YHV4M7F · pith_short_16: UI7B2YHV4M7FM7SI · pith_short_8: UI7B2YHV

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/UI7B2YHV4M7FM7SI2OBARGAMEO \
  | 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: a23e1d60f5e33e567e48d38208980c23b13ce9815264ce0ec53bb03855d3abce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02a64357e35fd7f473151e850344200115579f2bcde8a91ab1be5f6099469317",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2022-03-21T23:48:47Z",
    "title_canon_sha256": "3163d4a37517f5e01b141a3ebb4fc5255a81eb6820f2ecf1b219a0f92eb5ba05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.11391",
    "kind": "arxiv",
    "version": 1
  }
}