Pith Number

pith:EKHQBLWG

pith:2019:EKHQBLWG25D54OVZQSV2RSY76G

not attested not anchored not stored refs pending

Low-Rank Matrix Completion: A Contemporary Survey

Byonghyo Shim, Junhan Kim, Luong Trung Nguyen

arxiv:1907.11705 v1 · 2019-07-27 · cs.DS · 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{EKHQBLWG25D54OVZQSV2RSY76G}

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	2026-05-17T23:39:23.318630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

228f00aec6d747de3ab984aba8cb1ff18f1fdf9a57a7e1d0e4a07cb5057c4f34

Aliases

arxiv: 1907.11705 · arxiv_version: 1907.11705v1 · doi: 10.48550/arxiv.1907.11705 · pith_short_12: EKHQBLWG25D5 · pith_short_16: EKHQBLWG25D54OVZ · pith_short_8: EKHQBLWG

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/EKHQBLWG25D54OVZQSV2RSY76G \
  | 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: 228f00aec6d747de3ab984aba8cb1ff18f1fdf9a57a7e1d0e4a07cb5057c4f34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79546ccf7381b832ea5f080650abe5eedaec3732c475a91641456b9f7e92be68",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-07-27T09:52:26Z",
    "title_canon_sha256": "da511051608d4d1b8acb994875460be0aa35a68c61c4752611b4ab1b26284ee1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11705",
    "kind": "arxiv",
    "version": 1
  }
}