Pith Number

pith:OYDQCBUD

pith:2020:OYDQCBUDWBKKATZGJMMDRLUSWS

not attested not anchored not stored refs pending

Learning Directional Feature Maps for Cardiac MRI Segmentation

Changzheng Zhang, Cheng Chen, Dandan Tu, Feng Cheng, Heshui Shi, Yongchao Xu, Yukang Wang, Yukun Cao

arxiv:2007.11349 v1 · 2020-07-22 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYDQCBUDWBKKATZGJMMDRLUSWS}

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	2026-07-05T01:21:25.445281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7607010683b054a04f264b1838ae92b4b3aeec622e4c40b7d49e4dff035eee0b

Aliases

arxiv: 2007.11349 · arxiv_version: 2007.11349v1 · doi: 10.48550/arxiv.2007.11349 · pith_short_12: OYDQCBUDWBKK · pith_short_16: OYDQCBUDWBKKATZG · pith_short_8: OYDQCBUD

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/OYDQCBUDWBKKATZGJMMDRLUSWS \
  | 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: 7607010683b054a04f264b1838ae92b4b3aeec622e4c40b7d49e4dff035eee0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5673701b706615f987da0f22c1ee8f7e5a65b1c056567b6b8423d4f4e753e97b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-07-22T11:31:04Z",
    "title_canon_sha256": "c3a82c22c49d95a039271ccc093dedf5465377296fc017b442eb5f3b3f616c6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.11349",
    "kind": "arxiv",
    "version": 1
  }
}