Pith Number

pith:WK2U7LB5

pith:2020:WK2U7LB5E2JG3S6N6XYXS2XVN3

not attested not anchored not stored refs pending

Towards the Automation of a Chemical Sulphonation Process with Machine Learning

{\AA}smund Hugo, An Ngoc Lam, Brice Morin, Enrique Garcia-Ceja, Espen Martinsen, {\O}ystein Haugen, Per-Olav Hansen

arxiv:2009.12125 v1 · 2020-09-25 · cs.LG · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WK2U7LB5E2JG3S6N6XYXS2XVN3}

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	2026-07-05T01:37:59.771523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2b54fac3d26926dcbcdf5f1796af56ecdaf3a5bcfb5d884d00bccacbf44245e

Aliases

arxiv: 2009.12125 · arxiv_version: 2009.12125v1 · doi: 10.48550/arxiv.2009.12125 · pith_short_12: WK2U7LB5E2JG · pith_short_16: WK2U7LB5E2JG3S6N · pith_short_8: WK2U7LB5

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/WK2U7LB5E2JG3S6N6XYXS2XVN3 \
  | 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: b2b54fac3d26926dcbcdf5f1796af56ecdaf3a5bcfb5d884d00bccacbf44245e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "703ac4e51e584b2a791f9e7a7b4ae12f6820ce2f17c0377b49ea5703cd9959fd",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-09-25T10:56:41Z",
    "title_canon_sha256": "df614a81029ea43825c8f2c895a731196cea560cd4f98c19dc786e9a766ad1bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.12125",
    "kind": "arxiv",
    "version": 1
  }
}