Pith Number

pith:SZAULZZT

pith:2014:SZAULZZTZ4DYU64LKPCKVGUAPU

not attested not anchored not stored refs pending

Fast Approximate Matching of Cell-Phone Videos for Robust Background Subtraction

Atish Das Sarma, Dennis DeCoste, Neel Sundaresan, Raffay Hamid

arxiv:1404.5351 v1 · 2014-04-22 · 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{SZAULZZTZ4DYU64LKPCKVGUAPU}

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	2026-05-18T02:53:39.211219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

964145e733cf078a7b8b53c4aa9a807d22b565e88386ec4175a32c1b3c5e2539

Aliases

arxiv: 1404.5351 · arxiv_version: 1404.5351v1 · doi: 10.48550/arxiv.1404.5351 · pith_short_12: SZAULZZTZ4DY · pith_short_16: SZAULZZTZ4DYU64L · pith_short_8: SZAULZZT

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/SZAULZZTZ4DYU64LKPCKVGUAPU \
  | 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: 964145e733cf078a7b8b53c4aa9a807d22b565e88386ec4175a32c1b3c5e2539

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6257d96273a8961b1ac51b54f04c2dd269ce72cce083423224cf12ecd3797040",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-04-22T00:02:14Z",
    "title_canon_sha256": "2348361077f2b9fd827ca1914da81b811b0358b55b89d600d8e9be521644b532"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5351",
    "kind": "arxiv",
    "version": 1
  }
}