Pith Number

pith:XWNU52SR

pith:2018:XWNU52SRF5PMIBMILGG7IOIDXE

not attested not anchored not stored refs pending

Cross Pixel Optical Flow Similarity for Self-Supervised Learning

Andrea Vedaldi, Aravindh Mahendran, James Thewlis

arxiv:1807.05636 v1 · 2018-07-15 · cs.CV · cs.LG · cs.NE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XWNU52SRF5PMIBMILGG7IOIDXE}

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	2026-05-18T00:10:43.033693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd9b4eea512f5ec40588598df43903b9357447a8f96f190fa141bc17810cd646

Aliases

arxiv: 1807.05636 · arxiv_version: 1807.05636v1 · doi: 10.48550/arxiv.1807.05636 · pith_short_12: XWNU52SRF5PM · pith_short_16: XWNU52SRF5PMIBMI · pith_short_8: XWNU52SR

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/XWNU52SRF5PMIBMILGG7IOIDXE \
  | 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: bd9b4eea512f5ec40588598df43903b9357447a8f96f190fa141bc17810cd646

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19ffd9098969fb9d06116696ef9b6bce213dbf2b23deaa8f8005b49ff2a0f5c8",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-07-15T23:48:59Z",
    "title_canon_sha256": "2845de3a02f9f768a56475ff71d3c0b71439aabf6b86f4c66cea034b862d7d87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05636",
    "kind": "arxiv",
    "version": 1
  }
}