Pith Number

pith:F5DVVW7Q

pith:2026:F5DVVW7Q2PMTTDJLGNVQCBOTQI

not attested not anchored not stored refs pending

FlowIt: Global Matching via Hierarchical Transformers and Optimal Transport for Optical Flow

Fabio Tosi, Fatma G\"uney, Matteo Poggi, Sadra Safadoust

arxiv:2603.28759 v2 · 2026-03-30 · 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{F5DVVW7Q2PMTTDJLGNVQCBOTQI}

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	2026-06-02T02:04:16.859000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f475adbf0d3d9398d2b336b0105d38221e65a94442e0f6e40c10c33feb2cc9d

Aliases

arxiv: 2603.28759 · arxiv_version: 2603.28759v2 · doi: 10.48550/arxiv.2603.28759 · pith_short_12: F5DVVW7Q2PMT · pith_short_16: F5DVVW7Q2PMTTDJL · pith_short_8: F5DVVW7Q

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/F5DVVW7Q2PMTTDJLGNVQCBOTQI \
  | 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: 2f475adbf0d3d9398d2b336b0105d38221e65a94442e0f6e40c10c33feb2cc9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33b230ed5712a1597efc05e87384a6d6966029bf70c36fce367fa1af489981ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-03-30T17:58:12Z",
    "title_canon_sha256": "be7e370f01ceef4d99e5dcf622f46a0f2d1a1d00461d012cdc494586ccaf87e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.28759",
    "kind": "arxiv",
    "version": 2
  }
}