Pith Number

pith:PBC4JHWW

pith:2016:PBC4JHWWW6MULDZ7PXN5ZQQXAM

not attested not anchored not stored refs pending

Methods for Sparse and Low-Rank Recovery under Simplex Constraints

Martin Slawski, Ping Li, Syama Sundar Rangapuram

arxiv:1605.00507 v1 · 2016-05-02 · stat.ME · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PBC4JHWWW6MULDZ7PXN5ZQQXAM}

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	2026-05-18T01:15:48.449248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7845c49ed6b799458f3f7ddbdcc2170336cac6644dc7115bfbd6e257780fbc2c

Aliases

arxiv: 1605.00507 · arxiv_version: 1605.00507v1 · doi: 10.48550/arxiv.1605.00507 · pith_short_12: PBC4JHWWW6MU · pith_short_16: PBC4JHWWW6MULDZ7 · pith_short_8: PBC4JHWW

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/PBC4JHWWW6MULDZ7PXN5ZQQXAM \
  | 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: 7845c49ed6b799458f3f7ddbdcc2170336cac6644dc7115bfbd6e257780fbc2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9b68fb47db05d896cc953a59f096c5617dffc10758b5dcb1dc59276152121b5",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-05-02T14:37:59Z",
    "title_canon_sha256": "fc4bf3149bba8a68848fcbe213f799c7b1e25dedc655e72e0cbb29945c47c218"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.00507",
    "kind": "arxiv",
    "version": 1
  }
}