Pith Number

pith:ZN7RQQWE

pith:2012:ZN7RQQWEKXNWD4RPFQ24NX4S4L

not attested not anchored not stored refs pending

Approximate Computation and Implicit Regularization for Very Large-scale Data Analysis

Michael W. Mahoney

arxiv:1203.0786 v1 · 2012-03-04 · cs.DS · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZN7RQQWEKXNWD4RPFQ24NX4S4L}

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	2026-05-18T04:00:50.536580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb7f1842c455db61f22f2c35c6df92e2fdc454c48c0fd2f1df59d045dadbfc06

Aliases

arxiv: 1203.0786 · arxiv_version: 1203.0786v1 · doi: 10.48550/arxiv.1203.0786 · pith_short_12: ZN7RQQWEKXNW · pith_short_16: ZN7RQQWEKXNWD4RP · pith_short_8: ZN7RQQWE

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/ZN7RQQWEKXNWD4RPFQ24NX4S4L \
  | 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: cb7f1842c455db61f22f2c35c6df92e2fdc454c48c0fd2f1df59d045dadbfc06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93ee877bc773d21610ac19e81b5f8fb80b762b57c42dbe80e0ebddf7fb0b5b5e",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-03-04T23:29:06Z",
    "title_canon_sha256": "3c7be84720ee2704f22d057fc145356d1d0039012d15f808c30db900937d194d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0786",
    "kind": "arxiv",
    "version": 1
  }
}