Pith Number

pith:GISAZB5Q

pith:2014:GISAZB5QS6Z6XY4QAILMQMULR7

not attested not anchored not stored refs pending

Low-complexity modeling of partially available second-order statistics: theory and an efficient matrix completion algorithm

Armin Zare, Mihailo R. Jovanovi\'c, Tryphon T. Georgiou, Yongxin Chen

arxiv:1412.3399 v3 · 2014-12-10 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GISAZB5QS6Z6XY4QAILMQMULR7}

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	2026-05-18T00:44:37.430618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32240c87b097b3ebe3900216c8328b8ff9dc67e57c953a965f72b0cdb77ea307

Aliases

arxiv: 1412.3399 · arxiv_version: 1412.3399v3 · doi: 10.48550/arxiv.1412.3399 · pith_short_12: GISAZB5QS6Z6 · pith_short_16: GISAZB5QS6Z6XY4Q · pith_short_8: GISAZB5Q

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/GISAZB5QS6Z6XY4QAILMQMULR7 \
  | 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: 32240c87b097b3ebe3900216c8328b8ff9dc67e57c953a965f72b0cdb77ea307

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b1121eeb6489f313bfa96ccd7aca97a4e119685f345663fa73f732d112b8f7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-12-10T18:33:55Z",
    "title_canon_sha256": "4afe5b70e889bf97dfaa87f06a31e31591ef3c1e268193d538446105495cd535"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3399",
    "kind": "arxiv",
    "version": 3
  }
}