Pith Number

pith:SESJTXCF

pith:2012:SESJTXCFFIXCO7U2D7NPZH7BV5

not attested not anchored not stored refs pending

ProPPA: A Fast Algorithm for $\ell_1$ Minimization and Low-Rank Matrix Completion

Pong C. Yuen, Ranch Y.Q. Lai

arxiv:1205.0088 v2 · 2012-05-01 · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SESJTXCFFIXCO7U2D7NPZH7BV5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:21:15.828431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

912499dc452a2e277e9a1fdafc9fe1af58305b3c7667b918145114a18088c99f

Aliases

arxiv: 1205.0088 · arxiv_version: 1205.0088v2 · doi: 10.48550/arxiv.1205.0088 · pith_short_12: SESJTXCFFIXC · pith_short_16: SESJTXCFFIXCO7U2 · pith_short_8: SESJTXCF

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/SESJTXCFFIXCO7U2D7NPZH7BV5 \
  | 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: 912499dc452a2e277e9a1fdafc9fe1af58305b3c7667b918145114a18088c99f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "242aa2ba2320b6fc8103a47f7f0b7305681733264d7ca26f23d366a446212374",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-05-01T04:59:12Z",
    "title_canon_sha256": "a5bca6eddbf4fb6b1e88196faa18b12bfd086362c7537798e4812d96c4b67f29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0088",
    "kind": "arxiv",
    "version": 2
  }
}