Pith Number

pith:OVYTOTOT

pith:2013:OVYTOTOT4NT6XFJO2KK7ZEFPIB

not attested not anchored not stored refs pending

Relative Errors for Deterministic Low-Rank Matrix Approximations

Jeff M. Phillips, Mina Ghashami

arxiv:1307.7454 v2 · 2013-07-29 · cs.DS · cs.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{OVYTOTOT4NT6XFJO2KK7ZEFPIB}

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	2026-05-18T03:15:20.386158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7571374dd3e367eb952ed295fc90af406ffd0f2ff649c55ce723fd4ff83b2a4a

Aliases

arxiv: 1307.7454 · arxiv_version: 1307.7454v2 · doi: 10.48550/arxiv.1307.7454 · pith_short_12: OVYTOTOT4NT6 · pith_short_16: OVYTOTOT4NT6XFJO · pith_short_8: OVYTOTOT

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/OVYTOTOT4NT6XFJO2KK7ZEFPIB \
  | 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: 7571374dd3e367eb952ed295fc90af406ffd0f2ff649c55ce723fd4ff83b2a4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6124bf5ddedb5f4a64fb195d1ddf6037e43318620078468fc774cd09c750a116",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-07-29T03:50:16Z",
    "title_canon_sha256": "9405b5d4e4d784815250de9adf71f42c855a58b37d7f1f39d1a1ff36a2e8ea92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7454",
    "kind": "arxiv",
    "version": 2
  }
}