Pith Number

pith:NOLLZKK5

pith:2015:NOLLZKK5QEGUS26BEVL2AGUDVZ

not attested not anchored not stored refs pending

Column Selection via Adaptive Sampling

Malik Magdon-Ismail, Petros Drineas, Saurabh Paul

arxiv:1510.04149 v1 · 2015-10-14 · cs.DS · 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{NOLLZKK5QEGUS26BEVL2AGUDVZ}

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	2026-05-18T01:30:09.085605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b96bca95d810d496bc12557a01a83ae5a10bdb43c6648282ac707735294283e

Aliases

arxiv: 1510.04149 · arxiv_version: 1510.04149v1 · doi: 10.48550/arxiv.1510.04149 · pith_short_12: NOLLZKK5QEGU · pith_short_16: NOLLZKK5QEGUS26B · pith_short_8: NOLLZKK5

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/NOLLZKK5QEGUS26BEVL2AGUDVZ \
  | 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: 6b96bca95d810d496bc12557a01a83ae5a10bdb43c6648282ac707735294283e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ddec995685913c8fa6cc7d3f46e0ecdfc0cbba008987a3df2de2c719ecf724c",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-10-14T15:23:31Z",
    "title_canon_sha256": "f8da3c46af91891b102ef9aa8be29fe214e87f28fea0a5adb7379ae930852448"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04149",
    "kind": "arxiv",
    "version": 1
  }
}