Pith Number

pith:XSDS6KBT

pith:2018:XSDS6KBT5U76W2X7X4N6TTLY6C

not attested not anchored not stored refs pending

Latitude: A Model for Mixed Linear-Tropical Matrix Factorization

James Hook, Pauli Miettinen, Sanjar Karaev

arxiv:1801.06136 v1 · 2018-01-18 · 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{XSDS6KBT5U76W2X7X4N6TTLY6C}

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	2026-05-18T00:25:35.512214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc872f2833ed3feb6affbf1be9cd78f09c8c0def7659c67041fa28de2b95dae9

Aliases

arxiv: 1801.06136 · arxiv_version: 1801.06136v1 · doi: 10.48550/arxiv.1801.06136 · pith_short_12: XSDS6KBT5U76 · pith_short_16: XSDS6KBT5U76W2X7 · pith_short_8: XSDS6KBT

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/XSDS6KBT5U76W2X7X4N6TTLY6C \
  | 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: bc872f2833ed3feb6affbf1be9cd78f09c8c0def7659c67041fa28de2b95dae9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9983d898598d0dcbe97c85304f133af36591291844b5e9a871cdc4ba2404b630",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-01-18T17:17:46Z",
    "title_canon_sha256": "733d7157e7a69f86b342b7245c3cd07d23a228a87caac5bbbf2b9ac562797d1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06136",
    "kind": "arxiv",
    "version": 1
  }
}