Pith Number

pith:VZFNPMAU

pith:2021:VZFNPMAUSSHG5IH2KFWYNQDBBZ

not attested not anchored not stored refs pending

High-Resolution Optical Flow from 1D Attention and Correlation

Haofei Xu, Jianfei Cai, Jiaolong Yang, Juyong Zhang, Xin Tong

arxiv:2104.13918 v2 · 2021-04-28 · 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{VZFNPMAUSSHG5IH2KFWYNQDBBZ}

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	2026-07-05T03:09:29.878132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae4ad7b014948e6ea0fa516d86c0610e6cab3ab6c9bff7d636e10da2b4f8ca55

Aliases

arxiv: 2104.13918 · arxiv_version: 2104.13918v2 · doi: 10.48550/arxiv.2104.13918 · pith_short_12: VZFNPMAUSSHG · pith_short_16: VZFNPMAUSSHG5IH2 · pith_short_8: VZFNPMAU

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/VZFNPMAUSSHG5IH2KFWYNQDBBZ \
  | 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: ae4ad7b014948e6ea0fa516d86c0610e6cab3ab6c9bff7d636e10da2b4f8ca55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3efc86061f63108bc915df3fedc1529baa7a2344f7d0217e2a3b3b1734eda7e2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-28T17:56:34Z",
    "title_canon_sha256": "902e73fb7de645f85efb664334e879298c81b0492b334497262a8c37d3300491"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.13918",
    "kind": "arxiv",
    "version": 2
  }
}