Pith Number

pith:P2GL6WPX

pith:2019:P2GL6WPXWIN466BRHYOGH3IJ2I

not attested not anchored not stored refs pending

Prediction of Compression Index of Fine-Grained Soils Using a Gene Expression Programming Model

Amir Mosavi, Danial Mohammadzadeh, Ehsan Nasseralshariati, Joseph H. M. Tah, Seyed-Farzan Kazemi

arxiv:1907.04913 v1 · 2019-05-26 · stat.AP · cs.LG · cs.NE · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2GL6WPXWIN466BRHYOGH3IJ2I}

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	2026-05-17T23:40:54.513665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e8cbf59f7b21bcf78313e1c63ed09d20ae6fbf2f7f5985a93de60daef9b0f35

Aliases

arxiv: 1907.04913 · arxiv_version: 1907.04913v1 · doi: 10.48550/arxiv.1907.04913 · pith_short_12: P2GL6WPXWIN4 · pith_short_16: P2GL6WPXWIN466BR · pith_short_8: P2GL6WPX

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/P2GL6WPXWIN466BRHYOGH3IJ2I \
  | 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: 7e8cbf59f7b21bcf78313e1c63ed09d20ae6fbf2f7f5985a93de60daef9b0f35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3cba5bb440248045d898bc6b1adbe9672d13509a0b6561742a1ee385c954e61",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-05-26T07:12:35Z",
    "title_canon_sha256": "7b77353d192ae86a8c14853ecd2367ea186cfa037b24661842039c418d0ca084"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04913",
    "kind": "arxiv",
    "version": 1
  }
}