Pith Number

pith:3KUZUFAB

pith:2021:3KUZUFAB5SO33IZJZOSY6VFE4O

not attested not anchored not stored refs pending

Time series forecasting from partial observations via Non-negative Matrix Factorization

CERMICS UMR 9032, ECL, IUF), Luca Mencarelli (CERMICS UMR 9032), PSPM, Yohann de Castro (ICJ

arxiv:2102.05314 v2 · 2021-02-10 · cs.LG · math.ST · stat.ML · stat.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3KUZUFAB5SO33IZJZOSY6VFE4O}

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	2026-06-10T01:09:09.462296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

daa99a1401ec9dbda329cba58f54a4e39c1aa2245fc7f33f6231e601c0193723

Aliases

arxiv: 2102.05314 · arxiv_version: 2102.05314v2 · doi: 10.48550/arxiv.2102.05314 · pith_short_12: 3KUZUFAB5SO3 · pith_short_16: 3KUZUFAB5SO33IZJ · pith_short_8: 3KUZUFAB

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/3KUZUFAB5SO33IZJZOSY6VFE4O \
  | 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: daa99a1401ec9dbda329cba58f54a4e39c1aa2245fc7f33f6231e601c0193723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf8104c2aa6842a41a2ff415b287f4716fd00ceb2b6b95ab188e1562dc561160",
    "cross_cats_sorted": [
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-10T08:29:55Z",
    "title_canon_sha256": "f54abe90e62772f95ab298b58a0e917245c5af11a6944f0a2acd5da273d471d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.05314",
    "kind": "arxiv",
    "version": 2
  }
}