Pith Number

pith:MNFX2VZY

pith:2017:MNFX2VZYKFHB77MHLHSI2JAU6L

not attested not anchored not stored refs pending

Sparse Phase Retrieval via Sparse PCA Despite Model Misspecification: A Simplified and Extended Analysis

Yan Shuo Tan

arxiv:1712.04106 v2 · 2017-12-12 · cs.IT · cs.LG · math.IT · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MNFX2VZYKFHB77MHLHSI2JAU6L}

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	2026-05-18T00:28:04.279328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

634b7d5738514e1ffd8759e48d2414f2d4d8ca045711d4035e953069dc240769

Aliases

arxiv: 1712.04106 · arxiv_version: 1712.04106v2 · doi: 10.48550/arxiv.1712.04106 · pith_short_12: MNFX2VZYKFHB · pith_short_16: MNFX2VZYKFHB77MH · pith_short_8: MNFX2VZY

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/MNFX2VZYKFHB77MHLHSI2JAU6L \
  | 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: 634b7d5738514e1ffd8759e48d2414f2d4d8ca045711d4035e953069dc240769

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f662e394f3d4b9bc09bafc02c122fb90bde68bd626c2229d10e17e45bd70010",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-12-12T02:59:05Z",
    "title_canon_sha256": "ebff01702031ae5f20b0ef7519839bdda9bd38c43d4ef3e71938fe0fa5183cd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04106",
    "kind": "arxiv",
    "version": 2
  }
}