Pith Number

pith:V7Y5WX7Z

pith:2022:V7Y5WX7ZW2STJU6EEYH6UJSH2R

not attested not anchored not stored refs pending

Sketching low-rank matrices with a shared column space by convex programming

Kiryung Lee, Rakshith S Srinivasa, Seonho Kim

arxiv:2210.07077 v2 · 2022-10-13 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V7Y5WX7ZW2STJU6EEYH6UJSH2R}

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	2026-07-05T06:17:40.652494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aff1db5ff9b6a534d3c4260fea2647d453e1c829e702e7b76027b8c6d7cdf8c0

Aliases

arxiv: 2210.07077 · arxiv_version: 2210.07077v2 · doi: 10.48550/arxiv.2210.07077 · pith_short_12: V7Y5WX7ZW2ST · pith_short_16: V7Y5WX7ZW2STJU6E · pith_short_8: V7Y5WX7Z

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/V7Y5WX7ZW2STJU6EEYH6UJSH2R \
  | 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: aff1db5ff9b6a534d3c4260fea2647d453e1c829e702e7b76027b8c6d7cdf8c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c837dca6fbfab20571ee18c76533bc6599ce89360f229e638cef7bf7dd43078",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2022-10-13T15:01:31Z",
    "title_canon_sha256": "02de96554cc869e2c133223e11435219863af0eecf09ec4d4386d7caca07de89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.07077",
    "kind": "arxiv",
    "version": 2
  }
}