Pith Number

pith:TWE3QDVD

pith:2021:TWE3QDVDLRNAU5XOROCBKKJGNV

not attested not anchored not stored refs pending

VinDr-SpineXR: A deep learning framework for spinal lesions detection and classification from radiographs

Ha Q. Nguyen, Hieu H. Pham, Hieu T. Nguyen, Minh Dao, Nghia T. Nguyen, Thang Q. Huynh, Van Vu

arxiv:2106.12930 v1 · 2021-06-24 · 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{TWE3QDVDLRNAU5XOROCBKKJGNV}

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	2026-07-05T02:52:07.588410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d89b80ea35c5a0a76ee8b841529266d707039952d89a598a8c9553ba0ff29bd

Aliases

arxiv: 2106.12930 · arxiv_version: 2106.12930v1 · doi: 10.48550/arxiv.2106.12930 · pith_short_12: TWE3QDVDLRNA · pith_short_16: TWE3QDVDLRNAU5XO · pith_short_8: TWE3QDVD

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/TWE3QDVDLRNAU5XOROCBKKJGNV \
  | 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: 9d89b80ea35c5a0a76ee8b841529266d707039952d89a598a8c9553ba0ff29bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5090a639e249c41b49da07e760e37c46c83a4c055bb5a096320ccd4b8216f067",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-06-24T11:45:44Z",
    "title_canon_sha256": "d0c740d510f876a8d8812eafa89e8fa4c01f21289ee249014bc999accd5f6c0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.12930",
    "kind": "arxiv",
    "version": 1
  }
}