Pith Number

pith:NBL36PGL

pith:2020:NBL36PGLEPHD3K27ZZWQ4PTK7E

not attested not anchored not stored refs pending

Machine learning on Crays to optimise petrophysical workflows in oil and gas exploration

Anna Roubickova, Ioanna Lampaki, Lucy MacGregor, Michelle Ellis, Nick Brown, Paola Vera de Newton

arxiv:2010.02087 v1 · 2020-10-01 · physics.geo-ph · 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{NBL36PGLEPHD3K27ZZWQ4PTK7E}

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	2026-07-05T01:40:12.259768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6857bf3ccb23ce3dab5fce6d0e3e6af906cb962708fcf85674a23b75db431e75

Aliases

arxiv: 2010.02087 · arxiv_version: 2010.02087v1 · doi: 10.48550/arxiv.2010.02087 · pith_short_12: NBL36PGLEPHD · pith_short_16: NBL36PGLEPHD3K27 · pith_short_8: NBL36PGL

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/NBL36PGLEPHD3K27ZZWQ4PTK7E \
  | 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: 6857bf3ccb23ce3dab5fce6d0e3e6af906cb962708fcf85674a23b75db431e75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28633fc7142e7641cfbf4b135e16ca74cd79f73fef6d1c16f8642510a24ce86a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2020-10-01T10:14:58Z",
    "title_canon_sha256": "5c6bbd2d15dcfb2ecf74fbc2e9044527491ab84d89d4eefa7472c215a64ca164"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.02087",
    "kind": "arxiv",
    "version": 1
  }
}