Pith Number

pith:XHDCMNEK

pith:2019:XHDCMNEKV47Y5QSZVTPCB46LTA

not attested not anchored not stored refs pending

A Lightweight Optical Flow CNN - Revisiting Data Fidelity and Regularization

Chen Change Loy, Tak-Wai Hui, Xiaoou Tang

arxiv:1903.07414 v3 · 2019-03-15 · 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{XHDCMNEKV47Y5QSZVTPCB46LTA}

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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.

Cited by

1 paper in Pith

Learning Optical Flow Field via Neural Ordinary Differential Equation

Receipt and verification

First computed	2026-07-05T00:47:56.448849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9c626348aaf3f8ec259acde20f3cb9800add5d6bc8d25ef68bb72fcd1128d64

Aliases

arxiv: 1903.07414 · arxiv_version: 1903.07414v3 · doi: 10.48550/arxiv.1903.07414 · pith_short_12: XHDCMNEKV47Y · pith_short_16: XHDCMNEKV47Y5QSZ · pith_short_8: XHDCMNEK

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/XHDCMNEKV47Y5QSZVTPCB46LTA \
  | 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: b9c626348aaf3f8ec259acde20f3cb9800add5d6bc8d25ef68bb72fcd1128d64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1db9941b4160eb9609e572e279f677b9de1b71b7bfda695493d6d22b56c1a0c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-15T04:20:58Z",
    "title_canon_sha256": "8801e8d1f69b1f5c8e94dddd343b4d3088ddf23ba81c42d6d8a7521468f2bf15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07414",
    "kind": "arxiv",
    "version": 3
  }
}