Pith Number

pith:I4YNRAG4

pith:2026:I4YNRAG43U2X3V56QTNXBARAQM

not attested not anchored not stored refs pending

Low-Rank Dependence Decomposition via Accelerated Symmetric Non-negative Matrix Factorization

Dhruv Desai, Jake Goldberg, Lavinia Ghita, Roman Yokunda Enzmann

arxiv:2607.24518 v1 · 2026-07-27 · cs.LG · cs.NA · 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{I4YNRAG43U2X3V56QTNXBARAQM}

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	2026-07-28T02:24:07.793663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4730d880dcdd357dd7be84db708220832356ed618f592d95fe985dcded8cef5b

Aliases

arxiv: 2607.24518 · arxiv_version: 2607.24518v1 · doi: 10.48550/arxiv.2607.24518 · pith_short_12: I4YNRAG43U2X · pith_short_16: I4YNRAG43U2X3V56 · pith_short_8: I4YNRAG4

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/I4YNRAG43U2X3V56QTNXBARAQM \
  | 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: 4730d880dcdd357dd7be84db708220832356ed618f592d95fe985dcded8cef5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5542b8c834da9def7c4e1c490900f85a7f21fe5d2e548f0c3db175b6175c2caf",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-27T14:56:00Z",
    "title_canon_sha256": "801dcacd184fef67dfe22eb8a2afd12e297b5c620e45b4dabee00f11c6a4ee44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.24518",
    "kind": "arxiv",
    "version": 1
  }
}