Pith Number

pith:DH4SXAKT

pith:2017:DH4SXAKTPWHLDCLPWJI7JW2LSK

not attested not anchored not stored refs pending

Algorithms for $\ell_p$ Low Rank Approximation

David P. Woodruff, Flavio Chierichetti, Ravi Kumar, Rina Panigrahy, Silvio Lattanzi, Sreenivas Gollapudi

arxiv:1705.06730 v1 · 2017-05-18 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DH4SXAKTPWHLDCLPWJI7JW2LSK}

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	2026-05-18T00:44:14.078796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19f92b81537d8eb1896fb251f4db4b929c7be0c70e9c937adc591cc780d49808

Aliases

arxiv: 1705.06730 · arxiv_version: 1705.06730v1 · doi: 10.48550/arxiv.1705.06730 · pith_short_12: DH4SXAKTPWHL · pith_short_16: DH4SXAKTPWHLDCLP · pith_short_8: DH4SXAKT

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/DH4SXAKTPWHLDCLPWJI7JW2LSK \
  | 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: 19f92b81537d8eb1896fb251f4db4b929c7be0c70e9c937adc591cc780d49808

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f8a9e033310be5ea51dbb2c08e8fcf1b2fd70704f7424d50851187fbd3bb04a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-05-18T19:01:33Z",
    "title_canon_sha256": "2df5c818c7eddc698698098af1178dee65aef85d85bfedaa4009e9fe7c8d6a83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06730",
    "kind": "arxiv",
    "version": 1
  }
}