Pith Number

pith:VRC4E5OO

pith:2016:VRC4E5OORQZU7LKSF6XRCNKDHN

not attested not anchored not stored refs pending

Dual Smoothing and Level Set Techniques for Variational Matrix Decomposition

Aleksandr Y. Aravkin, Stephen Becker

arxiv:1603.00284 v1 · 2016-03-01 · stat.ML · cs.CV · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VRC4E5OORQZU7LKSF6XRCNKDHN}

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	2026-05-18T01:19:45.435951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac45c275ce8c334fad522faf1135433b4556636a0984718f95b63fa001449aeb

Aliases

arxiv: 1603.00284 · arxiv_version: 1603.00284v1 · doi: 10.48550/arxiv.1603.00284 · pith_short_12: VRC4E5OORQZU · pith_short_16: VRC4E5OORQZU7LKS · pith_short_8: VRC4E5OO

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/VRC4E5OORQZU7LKSF6XRCNKDHN \
  | 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: ac45c275ce8c334fad522faf1135433b4556636a0984718f95b63fa001449aeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9397abf5d97cf4a1429a5a4c7cf9c179c80e7816cfdc5b3d191149e52cc89c9",
    "cross_cats_sorted": [
      "cs.CV",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-03-01T14:33:12Z",
    "title_canon_sha256": "7c9c0d7ac74ce0d51a30aa84f79ba4b7a8b2060bae9421f6f25c88c4d6372733"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00284",
    "kind": "arxiv",
    "version": 1
  }
}