Pith Number

pith:MRY7UQSI

pith:2014:MRY7UQSIDNQFAPERV46JGYV7ML

not attested not anchored not stored refs pending

Matrix Factorizations via the Inverse Function Theorem

Paul W.Y. Lee

arxiv:1408.2611 v1 · 2014-08-12 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MRY7UQSIDNQFAPERV46JGYV7ML}

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	2026-05-18T02:45:22.679217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6471fa42481b60503c91af3c9362bf62e4a66e270871ec4be91c816d506263bc

Aliases

arxiv: 1408.2611 · arxiv_version: 1408.2611v1 · doi: 10.48550/arxiv.1408.2611 · pith_short_12: MRY7UQSIDNQF · pith_short_16: MRY7UQSIDNQFAPER · pith_short_8: MRY7UQSI

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/MRY7UQSIDNQFAPERV46JGYV7ML \
  | 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: 6471fa42481b60503c91af3c9362bf62e4a66e270871ec4be91c816d506263bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5f15947b500ca2439e2ed712063a2a5aa99217048a2ed2a59a157c15a4c6494",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-08-12T03:29:00Z",
    "title_canon_sha256": "676ca2d28cf125c079fcb53cdc427f1356ce2bb466dd4dc360c1637ba704b30f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2611",
    "kind": "arxiv",
    "version": 1
  }
}