Pith Number

pith:OEWCFPOW

pith:2012:OEWCFPOWBCH2ZMC2L6ZJEBNFAM

not attested not anchored not stored refs pending

Matrix reconstruction with the local max norm

Nathan Srebro, Rina Foygel, Ruslan Salakhutdinov

arxiv:1210.5196 v1 · 2012-10-18 · stat.ML · 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{OEWCFPOWBCH2ZMC2L6ZJEBNFAM}

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	2026-05-18T03:42:53.662704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

712c22bdd6088facb05a5fb29205a5032cac33f146aa423d345980212846031f

Aliases

arxiv: 1210.5196 · arxiv_version: 1210.5196v1 · doi: 10.48550/arxiv.1210.5196 · pith_short_12: OEWCFPOWBCH2 · pith_short_16: OEWCFPOWBCH2ZMC2 · pith_short_8: OEWCFPOW

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/OEWCFPOWBCH2ZMC2L6ZJEBNFAM \
  | 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: 712c22bdd6088facb05a5fb29205a5032cac33f146aa423d345980212846031f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46130e65bd03cd8a3500655227ee071626bf474a5eb704e417c399c5894ac05d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2012-10-18T17:30:43Z",
    "title_canon_sha256": "c65e4408abe45773d35116a411b8a41bd5da6b9cf8073eefce0db27c77a42bfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5196",
    "kind": "arxiv",
    "version": 1
  }
}