Pith Number

pith:H3VEJO6L

pith:2021:H3VEJO6LLNQ7XNCIA75MMUBQ7Z

not attested not anchored not stored refs pending

Optical Flow Estimation from a Single Motion-blurred Image

Dawit Mureja Argaw, Francois Rameau, In So Kweon, Jae Won Cho, Junsik Kim

arxiv:2103.02996 v2 · 2021-03-04 · 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{H3VEJO6LLNQ7XNCIA75MMUBQ7Z}

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	2026-07-05T02:21:55.981954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3eea44bbcb5b61fbb44807fac65030fe49ee6345ae59beaa5c63279de266845b

Aliases

arxiv: 2103.02996 · arxiv_version: 2103.02996v2 · doi: 10.48550/arxiv.2103.02996 · pith_short_12: H3VEJO6LLNQ7 · pith_short_16: H3VEJO6LLNQ7XNCI · pith_short_8: H3VEJO6L

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/H3VEJO6LLNQ7XNCIA75MMUBQ7Z \
  | 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: 3eea44bbcb5b61fbb44807fac65030fe49ee6345ae59beaa5c63279de266845b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a1e27723033edbc2552566f3450258b6ccf92a912d165cf0a4995444e9878c8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-04T12:45:18Z",
    "title_canon_sha256": "24f8a7a81a405f4c9590f6dad0df091e2889ca7825f01104b2c4dd27e9704b5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.02996",
    "kind": "arxiv",
    "version": 2
  }
}