Pith Number

pith:KIRJ7ENH

pith:2012:KIRJ7ENHSUJSJU7LX3NOBB6LPW

not attested not anchored not stored refs pending

Outliers and Random Noises in System Identification: a Compressed Sensing Approach

Erwei Bai, Myung Cho, Weiyu Xu

arxiv:1207.4104 v2 · 2012-07-17 · cs.IT · 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{KIRJ7ENHSUJSJU7LX3NOBB6LPW}

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	2026-05-18T03:24:54.209171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52229f91a7951324d3ebbedae087cb7d87671a997b2256d161e26a8e77ab5bc0

Aliases

arxiv: 1207.4104 · arxiv_version: 1207.4104v2 · doi: 10.48550/arxiv.1207.4104 · pith_short_12: KIRJ7ENHSUJS · pith_short_16: KIRJ7ENHSUJSJU7L · pith_short_8: KIRJ7ENH

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/KIRJ7ENHSUJSJU7LX3NOBB6LPW \
  | 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: 52229f91a7951324d3ebbedae087cb7d87671a997b2256d161e26a8e77ab5bc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88ea475b3334097a34cc0353b4ac54ecb2510095ac0bb5b82626105add1ce7b2",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-07-17T19:53:36Z",
    "title_canon_sha256": "a48992b4ea302cd997b1e43187cbbb60c4195bc3691bc231bd4f7493f1670514"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4104",
    "kind": "arxiv",
    "version": 2
  }
}