Pith Number

pith:QRG6PRS2

pith:2010:QRG6PRS2IS33KV7UPNS35DDIHE

not attested not anchored not stored refs pending

High-Dimensional Matched Subspace Detection When Data are Missing

Bejamin Recht, Laura Balzano, Robert Nowak

arxiv:1002.0852 v2 · 2010-02-03 · cs.IT · 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{QRG6PRS2IS33KV7UPNS35DDIHE}

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	2026-05-18T04:31:11.888622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

844de7c65a44b7b557f47b65be8c683913635f371208c28dde322359223d2d1d

Aliases

arxiv: 1002.0852 · arxiv_version: 1002.0852v2 · doi: 10.48550/arxiv.1002.0852 · pith_short_12: QRG6PRS2IS33 · pith_short_16: QRG6PRS2IS33KV7U · pith_short_8: QRG6PRS2

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/QRG6PRS2IS33KV7UPNS35DDIHE \
  | 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: 844de7c65a44b7b557f47b65be8c683913635f371208c28dde322359223d2d1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94439762e16147741d313ee83d183c8dbd7ac9b9956059a32cf7272093168697",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-02-03T21:13:39Z",
    "title_canon_sha256": "f865b585257680ebc0d7919244e7fc96ac3b7f3b2530309c777a7277b26025d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0852",
    "kind": "arxiv",
    "version": 2
  }
}