Pith Number

pith:RMKV7MC5

pith:2018:RMKV7MC5DSCG5M5CTSDVMBWBPG

not attested not anchored not stored refs pending

DID: Distributed Incremental Block Coordinate Descent for Nonnegative Matrix Factorization

Chris Chu, Tianxiang Gao

arxiv:1802.08938 v1 · 2018-02-25 · cs.LG · cs.AI · 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{RMKV7MC5DSCG5M5CTSDVMBWBPG}

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	2026-05-18T00:22:36.009662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b155fb05d1c846eb3a29c875606c179a58bc3a0048d57e825cd8b1af63c861c

Aliases

arxiv: 1802.08938 · arxiv_version: 1802.08938v1 · doi: 10.48550/arxiv.1802.08938 · pith_short_12: RMKV7MC5DSCG · pith_short_16: RMKV7MC5DSCG5M5C · pith_short_8: RMKV7MC5

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/RMKV7MC5DSCG5M5CTSDVMBWBPG \
  | 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: 8b155fb05d1c846eb3a29c875606c179a58bc3a0048d57e825cd8b1af63c861c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28463472505795f3eaa9906e7f391284fd304414d85186d212d4e158487ce666",
    "cross_cats_sorted": [
      "cs.AI",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-02-25T01:23:23Z",
    "title_canon_sha256": "fff3de71e872f64edb8244c81d601bd3c2504ac7a435eaa8ea996eef7b67982e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08938",
    "kind": "arxiv",
    "version": 1
  }
}