Pith Number

pith:OBYRXNLB

pith:2025:OBYRXNLBUBB6AOG4GAXRFVPAKS

not attested not anchored not stored refs pending

Efficient All-Pairs Correlation Volume Sampling for Optical Flow Estimation

Christopher Schroers, Karlis Martins Briedis, Markus Gross

arxiv:2505.16942 v2 · 2025-05-22 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OBYRXNLBUBB6AOG4GAXRFVPAKS}

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	2026-05-27T01:05:34.744961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70711bb561a043e038dc302f12d5e054ab88b29795003a5d1310bb6a70eb717d

Aliases

arxiv: 2505.16942 · arxiv_version: 2505.16942v2 · doi: 10.48550/arxiv.2505.16942 · pith_short_12: OBYRXNLBUBB6 · pith_short_16: OBYRXNLBUBB6AOG4 · pith_short_8: OBYRXNLB

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/OBYRXNLBUBB6AOG4GAXRFVPAKS \
  | 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: 70711bb561a043e038dc302f12d5e054ab88b29795003a5d1310bb6a70eb717d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b9abc4f746c8e6a25e12d0b97de23caedcdc42e7b42795d5dc9a45435862320",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-05-22T17:30:38Z",
    "title_canon_sha256": "b182944c18196cb7eb7bfbca5907ecddc4937fb81388532b4bab2ab3a7b201d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.16942",
    "kind": "arxiv",
    "version": 2
  }
}