Pith Number

pith:RSVXZBOZ

pith:2019:RSVXZBOZ4DGQ5A7QMNOHU6KIVF

not attested not anchored not stored refs pending

Unsupervised Learning for Optical Flow Estimation Using Pyramid Convolution LSTM

Haoxin Li, Shuosen Guan, Wei-Shi Zheng

arxiv:1907.11628 v1 · 2019-07-26 · 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{RSVXZBOZ4DGQ5A7QMNOHU6KIVF}

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	2026-05-17T23:39:28.479639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cab7c85d9e0cd0e83f0635c7a7948a9555cda3c2ee96199902c171ccb7af47c

Aliases

arxiv: 1907.11628 · arxiv_version: 1907.11628v1 · doi: 10.48550/arxiv.1907.11628 · pith_short_12: RSVXZBOZ4DGQ · pith_short_16: RSVXZBOZ4DGQ5A7Q · pith_short_8: RSVXZBOZ

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/RSVXZBOZ4DGQ5A7QMNOHU6KIVF \
  | 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: 8cab7c85d9e0cd0e83f0635c7a7948a9555cda3c2ee96199902c171ccb7af47c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da8ae269ef434886d0c19f300c2bdd81330f9cba42ab767d8a4bb301c25adba0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-26T15:28:59Z",
    "title_canon_sha256": "1a096cde8b6f43ffdaf7f31a43e46b43a36a7bc1b017b855f4d6b39c8774be70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11628",
    "kind": "arxiv",
    "version": 1
  }
}