Pith Number

pith:PEJ4IWHQ

pith:2018:PEJ4IWHQLQXPZILZVJZI3PXBBC

not attested not anchored not stored refs pending

A particle-based variational approach to Bayesian Non-negative Matrix Factorization

Finale Doshi-Velez, M. Arjumand Masood

arxiv:1803.06321 v1 · 2018-03-16 · 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{PEJ4IWHQLQXPZILZVJZI3PXBBC}

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	2026-05-18T00:20:49.925259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7913c458f05c2efca179aa728dbee1089581d5787acb49baa5333e4c9426a0ca

Aliases

arxiv: 1803.06321 · arxiv_version: 1803.06321v1 · doi: 10.48550/arxiv.1803.06321 · pith_short_12: PEJ4IWHQLQXP · pith_short_16: PEJ4IWHQLQXPZILZ · pith_short_8: PEJ4IWHQ

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/PEJ4IWHQLQXPZILZVJZI3PXBBC \
  | 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: 7913c458f05c2efca179aa728dbee1089581d5787acb49baa5333e4c9426a0ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b936bc04e6cdbff7a77758a46374822c0c8390cfa04025ff1fdc47b02d4ff4c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-03-16T17:20:19Z",
    "title_canon_sha256": "db41e444dc0f137d1234276d506b92ef180aaac566f90d5cf63e4682d7554fff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06321",
    "kind": "arxiv",
    "version": 1
  }
}