Pith Number

pith:MKVTLB37

pith:2014:MKVTLB373XAENHJ4MZ25SAWLD4

not attested not anchored not stored refs pending

Discrimination on the Grassmann Manifold: Fundamental Limits of Subspace Classifiers

Matthew Nokleby, Miguel Rodrigues, Robert Calderbank

arxiv:1404.5187 v2 · 2014-04-21 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MKVTLB373XAENHJ4MZ25SAWLD4}

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	2026-05-18T02:31:35.952551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62ab35877fddc0469d3c6675d902cb1f345e11fed75fd4af5a4384aa0f9ef057

Aliases

arxiv: 1404.5187 · arxiv_version: 1404.5187v2 · doi: 10.48550/arxiv.1404.5187 · pith_short_12: MKVTLB373XAE · pith_short_16: MKVTLB373XAENHJ4 · pith_short_8: MKVTLB37

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/MKVTLB373XAENHJ4MZ25SAWLD4 \
  | 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: 62ab35877fddc0469d3c6675d902cb1f345e11fed75fd4af5a4384aa0f9ef057

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4d948d126feb4326ece375a06a8774ad768a62e97981653e6bc6b38ee2bc672",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-04-21T13:25:02Z",
    "title_canon_sha256": "48c32ee0007bc80448869b8a0912e774a9d70763d71a77fb7a36cf35494fc25b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5187",
    "kind": "arxiv",
    "version": 2
  }
}