Pith Number

pith:3GGMQROM

pith:2012:3GGMQROMIYZIO3SSBVD4OADN4S

not attested not anchored not stored refs pending

Near-optimal Coresets For Least-Squares Regression

Christos Boutsidis, Malik Magdon-Ismail, Petros Drineas

arxiv:1202.3505 v2 · 2012-02-16 · cs.DS · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3GGMQROMIYZIO3SSBVD4OADN4S}

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	2026-05-18T00:57:57.054567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d98cc845cc4632876e520d47c7006de4a217ade8af0fe3b98351ad835c1bed11

Aliases

arxiv: 1202.3505 · arxiv_version: 1202.3505v2 · doi: 10.48550/arxiv.1202.3505 · pith_short_12: 3GGMQROMIYZI · pith_short_16: 3GGMQROMIYZIO3SS · pith_short_8: 3GGMQROM

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/3GGMQROMIYZIO3SSBVD4OADN4S \
  | 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: d98cc845cc4632876e520d47c7006de4a217ade8af0fe3b98351ad835c1bed11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef306f9ee4fd10e94585132552191c04886670b6746d50cd034c81b98627b69a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-02-16T03:07:35Z",
    "title_canon_sha256": "d3d66f5f0604657aca00e85c11f1dbad3aa38aa7dc178502228d6a56c32b5043"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3505",
    "kind": "arxiv",
    "version": 2
  }
}