Pith Number

pith:7H3VTQES

pith:2019:7H3VTQESOLYS3NJLJ5A7R2VSGE

not attested not anchored not stored refs pending

Subspace Methods That Are Resistant to a Limited Number of Features Corrupted by an Adversary

Chris Mesterharm, Rauf Izmailov, Scott Alexander, Simon Tsang

arxiv:1902.07280 v2 · 2019-02-19 · cs.LG · cs.AI · 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{7H3VTQESOLYS3NJLJ5A7R2VSGE}

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	2026-05-17T23:39:24.820180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9f759c09272f12db52b4f41f8eab231275ed8a1bb3298a645ad77fc8bc1af93

Aliases

arxiv: 1902.07280 · arxiv_version: 1902.07280v2 · doi: 10.48550/arxiv.1902.07280 · pith_short_12: 7H3VTQESOLYS · pith_short_16: 7H3VTQESOLYS3NJL · pith_short_8: 7H3VTQES

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/7H3VTQESOLYS3NJLJ5A7R2VSGE \
  | 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: f9f759c09272f12db52b4f41f8eab231275ed8a1bb3298a645ad77fc8bc1af93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a757178cf78e2b4fec38c337aa1c66d73e325b0fcef86794b72a878adfc4aa6",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-19T20:55:01Z",
    "title_canon_sha256": "d0dbb39513d75858a9d42043bef8a550cf0a4c983f6eb788b0eb19156a8ea32a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07280",
    "kind": "arxiv",
    "version": 2
  }
}