Pith Number

pith:IO55UXR4

pith:2017:IO55UXR4LQQZYUQKX6WUGQPJGU

not attested not anchored not stored refs pending

Painless Breakups -- Efficient Demixing of Low Rank Matrices

Ke Wei, Thomas Strohmer

arxiv:1703.09848 v1 · 2017-03-29 · 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{IO55UXR4LQQZYUQKX6WUGQPJGU}

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	2026-05-18T00:47:39.249868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43bbda5e3c5c219c520abfad4341e93515151f4a2e8bc235835433938d12fbb6

Aliases

arxiv: 1703.09848 · arxiv_version: 1703.09848v1 · doi: 10.48550/arxiv.1703.09848 · pith_short_12: IO55UXR4LQQZ · pith_short_16: IO55UXR4LQQZYUQK · pith_short_8: IO55UXR4

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/IO55UXR4LQQZYUQKX6WUGQPJGU \
  | 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: 43bbda5e3c5c219c520abfad4341e93515151f4a2e8bc235835433938d12fbb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c306c4c99ee723e1c4ab7c4912446359dee369492ceaa2a97015923ab05e37c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-03-29T00:45:15Z",
    "title_canon_sha256": "6cc4bee08b66fb58ed25d3afa65df42867b876aaf1f89503ebd69eae42d9fb14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09848",
    "kind": "arxiv",
    "version": 1
  }
}