Pith Number

pith:DEFBKVCP

pith:2018:DEFBKVCPJFH7N56H2GZFCDIR7R

not attested not anchored not stored refs pending

Streaming PCA and Subspace Tracking: The Missing Data Case

Laura Balzano, Yuejie Chi, Yue M. Lu

arxiv:1806.04609 v1 · 2018-06-12 · stat.ML · cs.IT · cs.LG · 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{DEFBKVCPJFH7N56H2GZFCDIR7R}

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	2026-05-18T00:13:33.227092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

190a15544f494ff6f7c7d1b2510d11fc48cd9ad00953ed54f2981bff679b99cc

Aliases

arxiv: 1806.04609 · arxiv_version: 1806.04609v1 · doi: 10.48550/arxiv.1806.04609 · pith_short_12: DEFBKVCPJFH7 · pith_short_16: DEFBKVCPJFH7N56H · pith_short_8: DEFBKVCP

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/DEFBKVCPJFH7N56H2GZFCDIR7R \
  | 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: 190a15544f494ff6f7c7d1b2510d11fc48cd9ad00953ed54f2981bff679b99cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feb434f8ac0fbbdb5ffd1ca496d884ad80e9119d3abb023e5ab7f040429f1b13",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-06-12T15:32:17Z",
    "title_canon_sha256": "ae8aa78fcff789353477bcd909c7ff97b327cae3f476d3b4dfca78445fd7368e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04609",
    "kind": "arxiv",
    "version": 1
  }
}