Pith Number

pith:676GRKJB

pith:2019:676GRKJBIWI27RFHYMIXJBAEP2

not attested not anchored not stored refs pending

A Machine Learning Benchmark for Facies Classification

Ghassan AlRegib, Motaz Alfarraj, Patrycja Michalowicz, Yazeed Alaudah

arxiv:1901.07659 v2 · 2019-01-12 · eess.IV · cs.CV · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{676GRKJBIWI27RFHYMIXJBAEP2}

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	2026-05-17T23:48:55.017469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7fc68a9214591afc4a7c3117484047e8e60fd85eadc1994496800519124bcd5

Aliases

arxiv: 1901.07659 · arxiv_version: 1901.07659v2 · doi: 10.48550/arxiv.1901.07659 · pith_short_12: 676GRKJBIWI2 · pith_short_16: 676GRKJBIWI27RFH · pith_short_8: 676GRKJB

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/676GRKJBIWI27RFHYMIXJBAEP2 \
  | 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: f7fc68a9214591afc4a7c3117484047e8e60fd85eadc1994496800519124bcd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36186ed7f62660375cd5d6f36aeaaed727502232665790a17811fd513b7de2ce",
    "cross_cats_sorted": [
      "cs.CV",
      "physics.geo-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-01-12T19:04:58Z",
    "title_canon_sha256": "ea5171e075454bfa4500ff39fcf97f6c719b9cf479b63d444aefb75448e14d65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07659",
    "kind": "arxiv",
    "version": 2
  }
}