Pith Number

pith:PR35ADAM

pith:2017:PR35ADAMMG37P5FSIYPUWT3FJI

not attested not anchored not stored refs pending

Nonnegative Matrix Factorization with Transform Learning

C\'edric F\'evotte, Dylan Fagot, Herwig Wendt

arxiv:1705.04193 v2 · 2017-05-11 · 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{PR35ADAMMG37P5FSIYPUWT3FJI}

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	2026-05-18T00:27:57.381921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c77d00c0c61b7f7f4b2461f4b4f654a04b4cb8c28ba5b9fc66e913b909042ab

Aliases

arxiv: 1705.04193 · arxiv_version: 1705.04193v2 · doi: 10.48550/arxiv.1705.04193 · pith_short_12: PR35ADAMMG37 · pith_short_16: PR35ADAMMG37P5FS · pith_short_8: PR35ADAM

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/PR35ADAMMG37P5FSIYPUWT3FJI \
  | 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: 7c77d00c0c61b7f7f4b2461f4b4f654a04b4cb8c28ba5b9fc66e913b909042ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9684752c2aee3d6632bda27d3f250e28b42cc09545470601f3b4a796ec010ad6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-05-11T14:12:23Z",
    "title_canon_sha256": "001828d1da4fa92fee93762b6c4b9aa002e6fb80bb2e77c61e9ec7267eeb4250"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04193",
    "kind": "arxiv",
    "version": 2
  }
}