Pith Number

pith:L466LKLM

pith:2019:L466LKLMZNEKR2HGDHGZJK6U3Q

not attested not anchored not stored refs pending

Background Subtraction using Adaptive Singular Value Decomposition

G\"unther Reitberger, Tomas Sauer

arxiv:1906.12064 v1 · 2019-06-28 · 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{L466LKLMZNEKR2HGDHGZJK6U3Q}

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	2026-05-17T23:41:59.366243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f3de5a96ccb48a8e8e619cd94abd4dc220c263f85078a8a1e2b7ead412f41d5

Aliases

arxiv: 1906.12064 · arxiv_version: 1906.12064v1 · doi: 10.48550/arxiv.1906.12064 · pith_short_12: L466LKLMZNEK · pith_short_16: L466LKLMZNEKR2HG · pith_short_8: L466LKLM

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/L466LKLMZNEKR2HGDHGZJK6U3Q \
  | 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: 5f3de5a96ccb48a8e8e619cd94abd4dc220c263f85078a8a1e2b7ead412f41d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a0fca7f198f40294dcf84ca9ebf74a69142bb01b1cbee85bc449ae64fb589f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-28T07:17:14Z",
    "title_canon_sha256": "c6cc410cebf406fc243c69a760bfb3c61af83c33e2857745bba3da95969b5ae0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.12064",
    "kind": "arxiv",
    "version": 1
  }
}