Pith Number

pith:GDW4XMRO

pith:2023:GDW4XMROGM3DQ5FMUTWLDJ5BQD

not attested not anchored not stored refs pending

Removing confounding information from fetal ultrasound images

Aasa Feragen, Anders Nymark, Kamil Mikolaj, Manxi Lin, Martin Tolsgaard, Morten Bo S{\o}ndergaard Svendsen, Zahra Bashir

arxiv:2303.13918 v1 · 2023-03-24 · 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{GDW4XMROGM3DQ5FMUTWLDJ5BQD}

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	2026-07-05T05:54:21.630665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30edcbb22e33363874aca4ecb1a7a180d205e4d7718f91e5bd49c106ec89141a

Aliases

arxiv: 2303.13918 · arxiv_version: 2303.13918v1 · doi: 10.48550/arxiv.2303.13918 · pith_short_12: GDW4XMROGM3D · pith_short_16: GDW4XMROGM3DQ5FM · pith_short_8: GDW4XMRO

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/GDW4XMROGM3DQ5FMUTWLDJ5BQD \
  | 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: 30edcbb22e33363874aca4ecb1a7a180d205e4d7718f91e5bd49c106ec89141a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "470c0c7f67225271f9897f737594b8d6db48f7da483bb07798e195a2bb362053",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-03-24T11:13:33Z",
    "title_canon_sha256": "2441baf3bd4f0febd4ad29af40d5cc2218373ffa77f9184180137a239e4675b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.13918",
    "kind": "arxiv",
    "version": 1
  }
}