Pith Number

pith:BEA3IXUN

pith:2021:BEA3IXUNIV6JIMDBT5BEQFUOUP

not attested not anchored not stored refs pending

Unsupervised Landmark Detection Based Spatiotemporal Motion Estimation for 4D Dynamic Medical Images

Dagan Feng, Dongming Wei, Jinman Kim, Lei Bi, Liyun Chen, Qian Wang, Ruiyan Zhang, Yuyu Guo, Zhengbin Zhu

arxiv:2109.14805 v3 · 2021-09-30 · eess.IV · 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{BEA3IXUNIV6JIMDBT5BEQFUOUP}

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	2026-07-05T03:29:52.434821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0901b45e8d457c9430619f4248168ea3f7d64ac78286c74e9267c2be577e3abc

Aliases

arxiv: 2109.14805 · arxiv_version: 2109.14805v3 · doi: 10.48550/arxiv.2109.14805 · pith_short_12: BEA3IXUNIV6J · pith_short_16: BEA3IXUNIV6JIMDB · pith_short_8: BEA3IXUN

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/BEA3IXUNIV6JIMDBT5BEQFUOUP \
  | 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: 0901b45e8d457c9430619f4248168ea3f7d64ac78286c74e9267c2be577e3abc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d7fd0a2a1a9ee3f2fc6606387c78d4a8dca36377da7fba3b8d728448f43d46b",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-09-30T02:06:02Z",
    "title_canon_sha256": "12ea1cfdf625c0175410ab7765edaa6df4af7b8e49da35c8ea70acb12fadfb0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.14805",
    "kind": "arxiv",
    "version": 3
  }
}