pith. sign in
Pith Number

pith:OOXOG2NN

pith:2019:OOXOG2NNEW5NE6FXT5IDM2AUPB
not attested not anchored not stored refs pending

Incorporating Temporal Prior from Motion Flow for Instrument Segmentation in Minimally Invasive Surgery Video

Keyun Cheng, Pheng-Ann Heng, Qi Dou, Yueming Jin

arxiv:1907.07899 v1 · 2019-07-18 · cs.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OOXOG2NNEW5NE6FXT5IDM2AUPB}

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 2026-05-17T23:40:15.780065Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

73aee369ad25bad278b79f50366814786eb320222e9d72802786066820b310e8

Aliases

arxiv: 1907.07899 · arxiv_version: 1907.07899v1 · doi: 10.48550/arxiv.1907.07899 · pith_short_12: OOXOG2NNEW5N · pith_short_16: OOXOG2NNEW5NE6FX · pith_short_8: OOXOG2NN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OOXOG2NNEW5NE6FXT5IDM2AUPB \
  | 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: 73aee369ad25bad278b79f50366814786eb320222e9d72802786066820b310e8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "739e4bc115b8e771b1bb768259defab6ab60dc07f007336d1e061fef63f45cc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-18T06:51:05Z",
    "title_canon_sha256": "b220af2b51e7afd24ccdbc3982fc82319b27d1c4ba58d37378e6f31fdf8fc645"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07899",
    "kind": "arxiv",
    "version": 1
  }
}