Pith Number

pith:IY3VHWTT

pith:2017:IY3VHWTTAZP5X2ZQ2YWH2M3DH6

not attested not anchored not stored refs pending

Algorithms for Approximate Subtropical Matrix Factorization

Pauli Miettinen, Sanjar Karaev

arxiv:1707.08872 v1 · 2017-07-19 · 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{IY3VHWTTAZP5X2ZQ2YWH2M3DH6}

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	2026-05-18T00:39:19.230527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

463753da73065fdbeb30d62c7d33633f8747c152df0cd04b38087480b9c0f1da

Aliases

arxiv: 1707.08872 · arxiv_version: 1707.08872v1 · doi: 10.48550/arxiv.1707.08872 · pith_short_12: IY3VHWTTAZP5 · pith_short_16: IY3VHWTTAZP5X2ZQ · pith_short_8: IY3VHWTT

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/IY3VHWTTAZP5X2ZQ2YWH2M3DH6 \
  | 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: 463753da73065fdbeb30d62c7d33633f8747c152df0cd04b38087480b9c0f1da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "047bcde39f90916cf2127beca96a8c994b3a6246dbb0e339883bd4e842aacae5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-07-19T15:01:08Z",
    "title_canon_sha256": "63e16f51256621016e2270a067143089e9802bdcda9f21ea52d7aae84907c6da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08872",
    "kind": "arxiv",
    "version": 1
  }
}