Pith Number

pith:7S4BY7CD

pith:2020:7S4BY7CDLRERN3FTEQ6NLT4554

not attested not anchored not stored refs pending

Managing Data Lineage of O&G Machine Learning Models: The Sweet Spot for Shale Use Case

E. Soares, L. Azevedo, Max De Bayser, M. Cardoso, M. Moreno, Raphael Thiago, Renan Souza, Renato Cerqueira, Rodrigo Santos, Wallas Santos

arxiv:2003.04915 v1 · 2020-03-10 · cs.DB · cs.CY · cs.DC · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7S4BY7CDLRERN3FTEQ6NLT4554}

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	2026-07-05T00:52:07.425840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcb81c7c435c4916ecb3243cd5cf9def2f656e34d5300f5672779c3b3090ec07

Aliases

arxiv: 2003.04915 · arxiv_version: 2003.04915v1 · doi: 10.48550/arxiv.2003.04915 · pith_short_12: 7S4BY7CDLRER · pith_short_16: 7S4BY7CDLRERN3FT · pith_short_8: 7S4BY7CD

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/7S4BY7CDLRERN3FTEQ6NLT4554 \
  | 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: fcb81c7c435c4916ecb3243cd5cf9def2f656e34d5300f5672779c3b3090ec07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8bd345f41ede2089efff90d9ae8a886cf86e61303f83cd1aea44729b0f99e51",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.DC",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2020-03-10T18:10:16Z",
    "title_canon_sha256": "79f0987d8ee68d827558cb01e18b307efd7e844365519109ea9c2aabba5462ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.04915",
    "kind": "arxiv",
    "version": 1
  }
}