Pith Number

pith:F4NEXXFB

pith:2017:F4NEXXFBQWHIDOVZAVFMCMZOPU

not attested not anchored not stored refs pending

Online linear optimization with the log-determinant regularizer

Eiji Takimoto, Ken-ichiro Moridomi, Kohei Hatano

arxiv:1710.10002 v1 · 2017-10-27 · 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{F4NEXXFBQWHIDOVZAVFMCMZOPU}

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	2026-05-18T00:11:40.327182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f1a4bdca1858e81bab9054ac1332e7d122919acdf3e0793c46948b3df2dd50b

Aliases

arxiv: 1710.10002 · arxiv_version: 1710.10002v1 · doi: 10.48550/arxiv.1710.10002 · pith_short_12: F4NEXXFBQWHI · pith_short_16: F4NEXXFBQWHIDOVZ · pith_short_8: F4NEXXFB

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/F4NEXXFBQWHIDOVZAVFMCMZOPU \
  | 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: 2f1a4bdca1858e81bab9054ac1332e7d122919acdf3e0793c46948b3df2dd50b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56195d86319a0a2b69d86668c9e7d927b5a4cafecd9b6e4330f752dadd0cb23a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-10-27T06:38:11Z",
    "title_canon_sha256": "38843acb32b6e479c2d2b1e9c1e7dee419c68f398577cd2d0c991fdbbd7fc476"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.10002",
    "kind": "arxiv",
    "version": 1
  }
}