Pith Number

pith:ZGJQTFHJ

pith:2015:ZGJQTFHJ3GS4PJWCOGKEBYBI2Z

not attested not anchored not stored refs pending

Integer Low Rank Approximation of Integer matrices

Bo Dong, Haesun Park, Matthew M. Lin

arxiv:1510.05082 v1 · 2015-10-17 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZGJQTFHJ3GS4PJWCOGKEBYBI2Z}

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	2026-05-18T01:29:53.235656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9930994e9d9a5c7a6c2719440e028d66bbd07121a4c971ad31fdb51d15e2b2f

Aliases

arxiv: 1510.05082 · arxiv_version: 1510.05082v1 · doi: 10.48550/arxiv.1510.05082 · pith_short_12: ZGJQTFHJ3GS4 · pith_short_16: ZGJQTFHJ3GS4PJWC · pith_short_8: ZGJQTFHJ

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/ZGJQTFHJ3GS4PJWCOGKEBYBI2Z \
  | 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: c9930994e9d9a5c7a6c2719440e028d66bbd07121a4c971ad31fdb51d15e2b2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99c9ef2ee04d2257df4bca84e5c30c1ac392091225d8e63e5b198eae48657e28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-10-17T07:09:27Z",
    "title_canon_sha256": "a191816d6c48fc1b6465927809a3a8b23edbb9889d9c56549fc97ec991d3eb75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05082",
    "kind": "arxiv",
    "version": 1
  }
}