Pith Number

pith:JE2JMKP4

pith:2018:JE2JMKP4P35LPRRECN5L573CKK

not attested not anchored not stored refs pending

Jensen: An Easily-Extensible C++ Toolkit for Production-Level Machine Learning and Convex Optimization

John T. Halloran, Kai Wei, Rishabh Iyer

arxiv:1807.06574 v1 · 2018-07-17 · cs.LG · math.OC · 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{JE2JMKP4P35LPRRECN5L573CKK}

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	2026-05-18T00:10:32.647952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49349629fc7efab7c624137abeff625287e335998ad3089d05a4e06eec014323

Aliases

arxiv: 1807.06574 · arxiv_version: 1807.06574v1 · doi: 10.48550/arxiv.1807.06574 · pith_short_12: JE2JMKP4P35L · pith_short_16: JE2JMKP4P35LPRRE · pith_short_8: JE2JMKP4

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/JE2JMKP4P35LPRRECN5L573CKK \
  | 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: 49349629fc7efab7c624137abeff625287e335998ad3089d05a4e06eec014323

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8de546623534633687c78448274fbc179fb803cfb190eaeb5f73c136b54dbea1",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-07-17T17:31:59Z",
    "title_canon_sha256": "8cf91bce61e1452898c17003e4ad8d342f44865bcf7612b250afcf5483256424"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.06574",
    "kind": "arxiv",
    "version": 1
  }
}