Pith Number

pith:JKN7JRUP

pith:2016:JKN7JRUPPMT3WLKVARANGJYWN7

not attested not anchored not stored refs pending

Tighter bound of Sketched Generalized Matrix Approximation

Haishan Ye, Qiaoming Ye, Zhihua Zhang

arxiv:1609.02258 v1 · 2016-09-08 · 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{JKN7JRUPPMT3WLKVARANGJYWN7}

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	2026-05-18T01:04:55.093990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a9bf4c68f7b27bb2d550440d327166fe5a0310a9222a59efc3988f3265d0cb5

Aliases

arxiv: 1609.02258 · arxiv_version: 1609.02258v1 · doi: 10.48550/arxiv.1609.02258 · pith_short_12: JKN7JRUPPMT3 · pith_short_16: JKN7JRUPPMT3WLKV · pith_short_8: JKN7JRUP

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/JKN7JRUPPMT3WLKVARANGJYWN7 \
  | 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: 4a9bf4c68f7b27bb2d550440d327166fe5a0310a9222a59efc3988f3265d0cb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0dbba67f7419e6d3f784cfab0d3c7f5c72441c2cb51df8c1953944a179df083",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2016-09-08T04:01:02Z",
    "title_canon_sha256": "2d49059b1f26da3ccd5ff8c14e295477377421553b44666d2128cb65a31741c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02258",
    "kind": "arxiv",
    "version": 1
  }
}