Pith Number

pith:ITE3GHKU

pith:2017:ITE3GHKU4BE4LEDRSU62VMUF3U

not attested not anchored not stored refs pending

Factorizations of $k$-Nonnegative Matrices

Ewin Tang, Joe Suk, Neeraja Kulkarni, Sunita Chepuri

arxiv:1710.10867 v1 · 2017-10-30 · math.CO · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ITE3GHKU4BE4LEDRSU62VMUF3U}

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	2026-05-18T00:31:46.232085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44c9b31d54e049c59071953daab285dd3612dcf42736e7bffeca89b44817cf88

Aliases

arxiv: 1710.10867 · arxiv_version: 1710.10867v1 · doi: 10.48550/arxiv.1710.10867 · pith_short_12: ITE3GHKU4BE4 · pith_short_16: ITE3GHKU4BE4LEDR · pith_short_8: ITE3GHKU

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/ITE3GHKU4BE4LEDRSU62VMUF3U \
  | 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: 44c9b31d54e049c59071953daab285dd3612dcf42736e7bffeca89b44817cf88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f454319b3ce40e5314cef42a63ff16792ce9c21fb8a9a50f2dcaeed092756e83",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-10-30T11:07:31Z",
    "title_canon_sha256": "da928aba9463c6c2d22573c95df359c9ecbd0aa1f73074311e836687cb9989af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.10867",
    "kind": "arxiv",
    "version": 1
  }
}