Pith Number

pith:HZ2Y5CLQ

pith:2018:HZ2Y5CLQWO4B5YNFDPJWJIP6CP

not attested not anchored not stored refs pending

Models Matter, So Does Training: An Empirical Study of CNNs for Optical Flow Estimation

Deqing Sun, Jan Kautz, Ming-Yu Liu, Xiaodong Yang

arxiv:1809.05571 v1 · 2018-09-14 · 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{HZ2Y5CLQWO4B5YNFDPJWJIP6CP}

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	2026-05-18T00:05:40.623611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e758e8970b3b81ee1a51bd364a1fe13c8a5bb0e4515aa0be8ca8a70bbcd9c5b

Aliases

arxiv: 1809.05571 · arxiv_version: 1809.05571v1 · doi: 10.48550/arxiv.1809.05571 · pith_short_12: HZ2Y5CLQWO4B · pith_short_16: HZ2Y5CLQWO4B5YNF · pith_short_8: HZ2Y5CLQ

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/HZ2Y5CLQWO4B5YNFDPJWJIP6CP \
  | 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: 3e758e8970b3b81ee1a51bd364a1fe13c8a5bb0e4515aa0be8ca8a70bbcd9c5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e48d9aef45213fe46b7d6a855ae87fdba1dd19fbb39ad665212d8b5ce7b79984",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-09-14T20:27:49Z",
    "title_canon_sha256": "abe8649c0cdf9eeec00b204fb666cc232d6a4ac9b12c311bd0f72bd09ec5484c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05571",
    "kind": "arxiv",
    "version": 1
  }
}