Pith Number

pith:M5FD6UCX

pith:2019:M5FD6UCXGYWTAQUAYQ3Y4DGVS2

not attested not anchored not stored refs pending

Robust Principal Component Analysis for Background Estimation of Particle Image Velocimetry Data

Ahmadreza Baghaie

arxiv:1908.06047 v1 · 2019-08-16 · cs.CV · eess.IV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M5FD6UCXGYWTAQUAYQ3Y4DGVS2}

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	2026-07-04T23:58:00.914132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

674a3f5057362d304280c4378e0cd59695a2a9e98b42f06fcf7c69809f3c42f7

Aliases

arxiv: 1908.06047 · arxiv_version: 1908.06047v1 · doi: 10.48550/arxiv.1908.06047 · pith_short_12: M5FD6UCXGYWT · pith_short_16: M5FD6UCXGYWTAQUA · pith_short_8: M5FD6UCX

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/M5FD6UCXGYWTAQUAYQ3Y4DGVS2 \
  | 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: 674a3f5057362d304280c4378e0cd59695a2a9e98b42f06fcf7c69809f3c42f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf33b86b7259b0dafc9b8ac2ce66c3da67620d621ec4e22b6354d2cd1a76d497",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-16T16:28:20Z",
    "title_canon_sha256": "dea3a0e702f26b94ef5e7260b9e9a99205d1205e42441b05451a3f43e6a82327"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06047",
    "kind": "arxiv",
    "version": 1
  }
}