Pith Number

pith:3ZS5JCXM

pith:2018:3ZS5JCXM7FQPOCUSC3SPU67V66

not attested not anchored not stored refs pending

Signal and Noise Statistics Oblivious Orthogonal Matching Pursuit

Sheetal Kalyani, Sreejith Kallummil

arxiv:1806.00650 v1 · 2018-06-02 · stat.ML · cs.IT · cs.LG · 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{3ZS5JCXM7FQPOCUSC3SPU67V66}

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	2026-05-18T00:14:18.824780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de65d48aecf960f70a9216e4fa7bf5f7beda5c575e2b8de9c17b88c0bf3878b9

Aliases

arxiv: 1806.00650 · arxiv_version: 1806.00650v1 · doi: 10.48550/arxiv.1806.00650 · pith_short_12: 3ZS5JCXM7FQP · pith_short_16: 3ZS5JCXM7FQPOCUS · pith_short_8: 3ZS5JCXM

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/3ZS5JCXM7FQPOCUSC3SPU67V66 \
  | 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: de65d48aecf960f70a9216e4fa7bf5f7beda5c575e2b8de9c17b88c0bf3878b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbf93f26e7f61e8bd2390cbffc864d012bf2efd9bc2a7293e6cdce0881766b76",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-06-02T15:11:38Z",
    "title_canon_sha256": "934a50e125b569e63da98daf0f789b9f5f8ecafe1dc7bfbdaf334d078f4b7bbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00650",
    "kind": "arxiv",
    "version": 1
  }
}