Pith Number

pith:5AIOZ4QO

pith:2018:5AIOZ4QOR6VFB2ECOEPWYZ22BL

not attested not anchored not stored refs pending

Object Discovery in Videos as Foreground Motion Clustering

Christopher Xie, Dieter Fox, Yu Xiang, Zaid Harchaoui

arxiv:1812.02772 v2 · 2018-12-06 · 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{5AIOZ4QOR6VFB2ECOEPWYZ22BL}

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	2026-05-17T23:49:22.040865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e810ecf20e8faa50e882711f6c675a0ad4ce4a57aa78383b9bccfeb81f43fb77

Aliases

arxiv: 1812.02772 · arxiv_version: 1812.02772v2 · doi: 10.48550/arxiv.1812.02772 · pith_short_12: 5AIOZ4QOR6VF · pith_short_16: 5AIOZ4QOR6VFB2EC · pith_short_8: 5AIOZ4QO

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/5AIOZ4QOR6VFB2ECOEPWYZ22BL \
  | 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: e810ecf20e8faa50e882711f6c675a0ad4ce4a57aa78383b9bccfeb81f43fb77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8a933a55a0435ce629059c1b6f45b3ce6ee8a3dbf914e07705bda190563e7e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-12-06T19:51:45Z",
    "title_canon_sha256": "53e4c547158dc5a3a4397e413260bd23810f28b2e55e6a6830c88a9ba5c8d2da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02772",
    "kind": "arxiv",
    "version": 2
  }
}