Pith Number

pith:QNLRIDMJ

pith:2019:QNLRIDMJGAJADACR72JKJMF6OZ

not attested not anchored not stored refs pending

Fine-Tuning Models Comparisons on Garbage Classification for Recyclability

Levent Seyfi, Umut Ozkaya

arxiv:1908.04393 v1 · 2019-08-07 · 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{QNLRIDMJGAJADACR72JKJMF6OZ}

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	2026-07-04T23:54:30.398344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8357140d893012018051fe92a4b0be767cc28b0f64be326481b1a5e0a0146830

Aliases

arxiv: 1908.04393 · arxiv_version: 1908.04393v1 · doi: 10.48550/arxiv.1908.04393 · pith_short_12: QNLRIDMJGAJA · pith_short_16: QNLRIDMJGAJADACR · pith_short_8: QNLRIDMJ

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/QNLRIDMJGAJADACR72JKJMF6OZ \
  | 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: 8357140d893012018051fe92a4b0be767cc28b0f64be326481b1a5e0a0146830

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75a8b7643ec5a650a709a54d5385ab48a074c2ad5d874f4c8f636be52c94241e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-07T15:58:51Z",
    "title_canon_sha256": "e49147d8024a48d4bf17f0b2f3bf9526264b5bf2e47a7fc41acea398e09ac92f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04393",
    "kind": "arxiv",
    "version": 1
  }
}