pith. sign in
Pith Number

pith:XYZKYYIP

pith:2013:XYZKYYIPDBHEOISAPQH4R6ZS57
not attested not anchored not stored refs pending

Linear models based on noisy data and the Frisch scheme

Allen Tannenbaum, Lipeng Ning, Stephen P. Boyd, Tryphon T. Georgiou

arxiv:1304.3877 v1 · 2013-04-14 · cs.SY · math.OC · math.ST · stat.TH

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XYZKYYIPDBHEOISAPQH4R6ZS57}

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 2026-05-18T03:28:03.945976Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

be32ac610f184e4722407c0fc8fb32efd825bc68022f478cb331a5ef3e3fce60

Aliases

arxiv: 1304.3877 · arxiv_version: 1304.3877v1 · doi: 10.48550/arxiv.1304.3877 · pith_short_12: XYZKYYIPDBHE · pith_short_16: XYZKYYIPDBHEOISA · pith_short_8: XYZKYYIP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XYZKYYIPDBHEOISAPQH4R6ZS57 \
  | 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: be32ac610f184e4722407c0fc8fb32efd825bc68022f478cb331a5ef3e3fce60
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e59ad5b4440d77f442b40ebfb211173a7e37aa45149bf493653a37709c8cd65f",
    "cross_cats_sorted": [
      "math.OC",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2013-04-14T05:11:46Z",
    "title_canon_sha256": "201ac51b50bea27f76ccb4a196aa1df073edb26f93ad493aa135b0b5fa4721a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3877",
    "kind": "arxiv",
    "version": 1
  }
}