Pith Number

pith:F76PWEWV

pith:2022:F76PWEWV5JO5MGQ3RAL54U3Z3Y

not attested not anchored not stored refs pending

An exploration of the performances achievable by combining unsupervised background subtraction algorithms

Marc Braham, Marc Van Droogenbroeck, S\'ebastien Pi\'erard

arxiv:2202.12563 v1 · 2022-02-25 · 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{F76PWEWV5JO5MGQ3RAL54U3Z3Y}

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	2026-07-05T04:00:05.695892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ffcfb12d5ea5dd61a1b8817de5379de3eae867f47cc9c2996ad4d2907655fba

Aliases

arxiv: 2202.12563 · arxiv_version: 2202.12563v1 · doi: 10.48550/arxiv.2202.12563 · pith_short_12: F76PWEWV5JO5 · pith_short_16: F76PWEWV5JO5MGQ3 · pith_short_8: F76PWEWV

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/F76PWEWV5JO5MGQ3RAL54U3Z3Y \
  | 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: 2ffcfb12d5ea5dd61a1b8817de5379de3eae867f47cc9c2996ad4d2907655fba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1db5b3b4f4b8002df188215ab27fd39fdee24997978973e05f5ba75b76cbc8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-02-25T08:51:23Z",
    "title_canon_sha256": "27d8ea3635e2919d5c25584fb5066de924fbb228030d387bd6aeb226515ec8ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.12563",
    "kind": "arxiv",
    "version": 1
  }
}