Pith Number

pith:QALTOEIQ

pith:2012:QALTOEIQKZOHQAU3O6PKN33DMA

not attested not anchored not stored refs pending

A concentration theorem for projections

Daniel Hsu, Nakul Verma, Sanjoy Dasgupta

arxiv:1206.6813 v1 · 2012-06-27 · 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{QALTOEIQKZOHQAU3O6PKN33DMA}

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	2026-05-18T03:52:15.899701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8017371110565c78029b779ea6ef636015a22cc237df594a7693ea10aacf9a60

Aliases

arxiv: 1206.6813 · arxiv_version: 1206.6813v1 · doi: 10.48550/arxiv.1206.6813 · pith_short_12: QALTOEIQKZOH · pith_short_16: QALTOEIQKZOHQAU3 · pith_short_8: QALTOEIQ

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/QALTOEIQKZOHQAU3O6PKN33DMA \
  | 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: 8017371110565c78029b779ea6ef636015a22cc237df594a7693ea10aacf9a60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f62089e08fd01426ee849254bd699b24bae707f4e7d612fe9b43c8b49ef36904",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-06-27T15:36:47Z",
    "title_canon_sha256": "800345d0e50173267c746be7be286048f39d76ae1765a71c8fdeae82ebf408e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6813",
    "kind": "arxiv",
    "version": 1
  }
}