Pith Number

pith:K3HPPXQP

pith:2018:K3HPPXQPBPUNRNDE53G6ZLD3IK

not attested not anchored not stored refs pending

Latent Factor Analysis of Gaussian Distributions under Graphical Constraints

Ali Moharrer, Md Mahmudul Hasan, Shuangqing Wei

arxiv:1801.03481 v4 · 2018-01-10 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K3HPPXQPBPUNRNDE53G6ZLD3IK}

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	2026-05-18T00:11:11.308900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56cef7de0f0be8d8b464eecdecac7b4280edaba98700302a492c299c4fdae73b

Aliases

arxiv: 1801.03481 · arxiv_version: 1801.03481v4 · doi: 10.48550/arxiv.1801.03481 · pith_short_12: K3HPPXQPBPUN · pith_short_16: K3HPPXQPBPUNRNDE · pith_short_8: K3HPPXQP

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/K3HPPXQPBPUNRNDE53G6ZLD3IK \
  | 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: 56cef7de0f0be8d8b464eecdecac7b4280edaba98700302a492c299c4fdae73b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e15d3b37258752a4988402bc701ff06682e3b00c1b8c6aae7c027f3be97a47c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-10T18:13:01Z",
    "title_canon_sha256": "f8e7f64f7e66a69d7d3450ddb20549b75be3b5a730cce685c79f5aac1091c849"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03481",
    "kind": "arxiv",
    "version": 4
  }
}