Pith Number

pith:SQTMXNIB

pith:2012:SQTMXNIBLZ2U3DQU7S57MNWWJO

not attested not anchored not stored refs pending

Learning mixtures of spherical Gaussians: moment methods and spectral decompositions

Daniel Hsu, Sham M. Kakade

arxiv:1206.5766 v4 · 2012-06-25 · cs.LG · 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{SQTMXNIBLZ2U3DQU7S57MNWWJO}

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	2026-05-18T03:42:11.225397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9426cbb5015e754d8e14fcbbf636d64bbc861dfbee1fc0173207b3366b5c79f5

Aliases

arxiv: 1206.5766 · arxiv_version: 1206.5766v4 · doi: 10.48550/arxiv.1206.5766 · pith_short_12: SQTMXNIBLZ2U · pith_short_16: SQTMXNIBLZ2U3DQU · pith_short_8: SQTMXNIB

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/SQTMXNIBLZ2U3DQU7S57MNWWJO \
  | 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: 9426cbb5015e754d8e14fcbbf636d64bbc861dfbee1fc0173207b3366b5c79f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71354c98012fbcee02078a0da3cf0cf9450ad5ee3610fbd85101ccf192cbfc9b",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-06-25T18:49:44Z",
    "title_canon_sha256": "2a5de0a88d7dce5aec5e054510ce6155fab160b7dda7d68a3fa98e68e9d7a675"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5766",
    "kind": "arxiv",
    "version": 4
  }
}