Pith Number

pith:6PILRDBM

pith:2019:6PILRDBM4DKAQEVJJQ43JY3N2L

not attested not anchored not stored refs pending

Streaming Low-Rank Matrix Approximation with an Application to Scientific Simulation

Alp Yurtsever, Joel A. Tropp, Madeleine Udell, Volkan Cevher

arxiv:1902.08651 v1 · 2019-02-22 · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6PILRDBM4DKAQEVJJQ43JY3N2L}

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	2026-05-17T23:52:50.498411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3d0b88c2ce0d40812a94c39b4e36dd2df9a5af142815202583faa399f57d0bc

Aliases

arxiv: 1902.08651 · arxiv_version: 1902.08651v1 · doi: 10.48550/arxiv.1902.08651 · pith_short_12: 6PILRDBM4DKA · pith_short_16: 6PILRDBM4DKAQEVJ · pith_short_8: 6PILRDBM

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/6PILRDBM4DKAQEVJJQ43JY3N2L \
  | 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: f3d0b88c2ce0d40812a94c39b4e36dd2df9a5af142815202583faa399f57d0bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57510e7e41151980d6b2f2e80f577a83aa73be65331fad6b06992a9f13793946",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2019-02-22T19:43:00Z",
    "title_canon_sha256": "7cfd04868d7381588add4d77b9b3e4009fa5694f836eae6a8958edbf38e5d793"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08651",
    "kind": "arxiv",
    "version": 1
  }
}