Pith Number

pith:G45CQLTI

pith:2019:G45CQLTIHFGKQ7GWQBICCYR57Q

not attested not anchored not stored refs pending

Prediction of Porosity and Permeability Alteration based on Machine Learning Algorithms

Alexey Ryzhov, Andrei Erofeev, Denis Orlov, Dmitry Koroteev

arxiv:1902.06525 v1 · 2019-02-18 · cs.LG · physics.data-an · 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{G45CQLTIHFGKQ7GWQBICCYR57Q}

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	2026-05-17T23:53:45.207912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

373a282e68394ca87cd6805021623dfc0364f8138e6752c8e5de0dc811c240d4

Aliases

arxiv: 1902.06525 · arxiv_version: 1902.06525v1 · doi: 10.48550/arxiv.1902.06525 · pith_short_12: G45CQLTIHFGK · pith_short_16: G45CQLTIHFGKQ7GW · pith_short_8: G45CQLTI

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/G45CQLTIHFGKQ7GWQBICCYR57Q \
  | 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: 373a282e68394ca87cd6805021623dfc0364f8138e6752c8e5de0dc811c240d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf89b602eaf40b75b0e3d50cc403732046f7de0ca1f5fca93e6d205b59e08582",
    "cross_cats_sorted": [
      "physics.data-an",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-18T11:37:53Z",
    "title_canon_sha256": "e344425bad73af32228db6d886c79ec867b8dac44f4ddc809a82340630613d05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06525",
    "kind": "arxiv",
    "version": 1
  }
}