Pith Number

pith:MPMFF6FT

pith:2015:MPMFF6FTWA6JUJJOIL3DTD6ESG

not attested not anchored not stored refs pending

Mismatch in the Classification of Linear Subspaces: Sufficient Conditions for Reliable Classification

Francesco Renna, Jure Sokolic, Miguel R. D. Rodrigues, Robert Calderbank

arxiv:1508.01720 v2 · 2015-08-07 · cs.IT · cs.CV · math.IT · 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{MPMFF6FTWA6JUJJOIL3DTD6ESG}

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	2026-05-18T01:15:44.922172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63d852f8b3b03c9a252e42f6398fc491be20abfa9bb30329e599ee6ab5ac4c69

Aliases

arxiv: 1508.01720 · arxiv_version: 1508.01720v2 · doi: 10.48550/arxiv.1508.01720 · pith_short_12: MPMFF6FTWA6J · pith_short_16: MPMFF6FTWA6JUJJO · pith_short_8: MPMFF6FT

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/MPMFF6FTWA6JUJJOIL3DTD6ESG \
  | 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: 63d852f8b3b03c9a252e42f6398fc491be20abfa9bb30329e599ee6ab5ac4c69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d4d0e9dec238b7d98123e7a886fdd54daaabf1d23e8a93db6ab1a540ed7dca1",
    "cross_cats_sorted": [
      "cs.CV",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-08-07T15:16:39Z",
    "title_canon_sha256": "5d214d7d4b52fc5df6b0d35c4bb6c6fecb212790500acf4e1f0f332b2631e541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01720",
    "kind": "arxiv",
    "version": 2
  }
}