Pith Number

pith:6CED5NTB

pith:2017:6CED5NTBYWS63PZWWIZLG7IWV4

not attested not anchored not stored refs pending

Optical Flow in Mostly Rigid Scenes

Jonas Wulff, Laura Sevilla-Lara, Michael J. Black

arxiv:1705.01352 v1 · 2017-05-03 · 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{6CED5NTBYWS63PZWWIZLG7IWV4}

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	2026-05-18T00:45:05.353553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0883eb661c5a5edbf36b232b37d16af0f2e2e650385cbed3aafcf5a53a86783

Aliases

arxiv: 1705.01352 · arxiv_version: 1705.01352v1 · doi: 10.48550/arxiv.1705.01352 · pith_short_12: 6CED5NTBYWS6 · pith_short_16: 6CED5NTBYWS63PZW · pith_short_8: 6CED5NTB

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/6CED5NTBYWS63PZWWIZLG7IWV4 \
  | 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: f0883eb661c5a5edbf36b232b37d16af0f2e2e650385cbed3aafcf5a53a86783

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9aed636a14479b896485e2cf495d06ae148fd833f3428115c07893059ab5ed9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-05-03T10:48:21Z",
    "title_canon_sha256": "41e48f84dbd29de746e996db3b6f01e5b1d4f58c20326b6ac48a0f3021bd1b48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01352",
    "kind": "arxiv",
    "version": 1
  }
}