Pith Number

pith:TORPK4Q7

pith:2015:TORPK4Q7C4GQVGRKH2AEAWLSGN

not attested not anchored not stored refs pending

Complex Background Subtraction by Pursuing Dynamic Spatio-Temporal Models

Jianhuang Lai, Liang Lin, Xiaodan Liang, Yuanlu Xu

arxiv:1502.00344 v1 · 2015-02-02 · 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{TORPK4Q7C4GQVGRKH2AEAWLSGN}

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	2026-05-18T02:28:06.199704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ba2f5721f170d0a9a2a3e804059723343c3dfcce3be5665ec0426e9ba7b6c16

Aliases

arxiv: 1502.00344 · arxiv_version: 1502.00344v1 · doi: 10.48550/arxiv.1502.00344 · pith_short_12: TORPK4Q7C4GQ · pith_short_16: TORPK4Q7C4GQVGRK · pith_short_8: TORPK4Q7

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/TORPK4Q7C4GQVGRKH2AEAWLSGN \
  | 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: 9ba2f5721f170d0a9a2a3e804059723343c3dfcce3be5665ec0426e9ba7b6c16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f1a62e878f1c49c4b3e145621ac465353c62bd17e97652f45086447d5bf1f9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-02-02T03:04:01Z",
    "title_canon_sha256": "28d172baa04ac6dd74e55e575e08637553fc5f3e23f5a8b2981113e9224962d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00344",
    "kind": "arxiv",
    "version": 1
  }
}