Pith Number

pith:4IBY3CXK

pith:2019:4IBY3CXK7SOHFLVOAAMAFSQIVE

not attested not anchored not stored refs pending

Robust Video Background Identification by Dominant Rigid Motion Estimation

Jiangbo Lu, Kaimo Lin, Loong Fah Cheong, Nianjuan Jiang, Xun Xu

arxiv:1903.02232 v1 · 2019-03-06 · 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{4IBY3CXK7SOHFLVOAAMAFSQIVE}

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	2026-05-17T23:51:56.433297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2038d8aeafc9c72aeae001802ca08a91060dc6d29fceff213ff39491746fb79

Aliases

arxiv: 1903.02232 · arxiv_version: 1903.02232v1 · doi: 10.48550/arxiv.1903.02232 · pith_short_12: 4IBY3CXK7SOH · pith_short_16: 4IBY3CXK7SOHFLVO · pith_short_8: 4IBY3CXK

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/4IBY3CXK7SOHFLVOAAMAFSQIVE \
  | 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: e2038d8aeafc9c72aeae001802ca08a91060dc6d29fceff213ff39491746fb79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba0f7e15915489b019734ffc6738a92fa5883813e77e8cc38f8919ce1eb2b09a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-06T08:11:12Z",
    "title_canon_sha256": "86e381f803db5dc6782f15ea1b45e412853d7b208469103d1623567b10e2c5c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02232",
    "kind": "arxiv",
    "version": 1
  }
}