Pith Number

pith:N2XS5PO5

pith:2017:N2XS5PO53Y7POSI63TON3FGHSL

not attested not anchored not stored refs pending

A Convex Similarity Index for Sparse Recovery of Missing Image Samples

Amirhossein Javaheri, Farokh Marvasti, Hadi Zayyani

arxiv:1701.07422 v3 · 2017-01-25 · 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{N2XS5PO53Y7POSI63TON3FGHSL}

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	2026-05-18T00:32:43.893062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6eaf2ebdddde3ef7491edcdcdd94c792c0fc033f5420015094f4d332d8a67f88

Aliases

arxiv: 1701.07422 · arxiv_version: 1701.07422v3 · doi: 10.48550/arxiv.1701.07422 · pith_short_12: N2XS5PO53Y7P · pith_short_16: N2XS5PO53Y7POSI6 · pith_short_8: N2XS5PO5

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/N2XS5PO53Y7POSI63TON3FGHSL \
  | 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: 6eaf2ebdddde3ef7491edcdcdd94c792c0fc033f5420015094f4d332d8a67f88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43dfcac0268dd173656012ab6145db0539b3f18c732a5beeb6ef4095abcd2546",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-01-25T18:49:45Z",
    "title_canon_sha256": "58841ddb139dbf46718d4fbad61742517d1d26757e0261747bf9f07dd9cc0633"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07422",
    "kind": "arxiv",
    "version": 3
  }
}