Pith Number

pith:URRRIBTB

pith:2012:URRRIBTBWQOCXOLIRVYJYG7BHK

not attested not anchored not stored refs pending

Simultaneously Structured Models with Application to Sparse and Low-rank Matrices

Amin Jalali, Babak Hassibi, Maryam Fazel, Samet Oymak, Yonina C. Eldar

arxiv:1212.3753 v3 · 2012-12-16 · cs.IT · math.IT · 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{URRRIBTBWQOCXOLIRVYJYG7BHK}

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	2026-05-18T02:46:32.983937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a463140661b41c2bb9688d709c1be13abb675b75e10008cc73bc6c8f26a65175

Aliases

arxiv: 1212.3753 · arxiv_version: 1212.3753v3 · doi: 10.48550/arxiv.1212.3753 · pith_short_12: URRRIBTBWQOC · pith_short_16: URRRIBTBWQOCXOLI · pith_short_8: URRRIBTB

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/URRRIBTBWQOCXOLIRVYJYG7BHK \
  | 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: a463140661b41c2bb9688d709c1be13abb675b75e10008cc73bc6c8f26a65175

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d77838780818cde722a9161ceb183e17d8475d20371ed8c88d7891e5433a61cf",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-12-16T06:14:44Z",
    "title_canon_sha256": "43bf975086a7a3a7754c6e5a4829eb4b9f7b66ca8b2947bc217e197fd7f44f6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.3753",
    "kind": "arxiv",
    "version": 3
  }
}