Pith Number

pith:HZC4GFAE

pith:2016:HZC4GFAELZEUO3YKUW2GW3ZPND

not attested not anchored not stored refs pending

Fast Derandomized Low-rank Approximation and Extensions

John Svadlenka, Liang Zhao, Victor Pan

arxiv:1607.05801 v1 · 2016-07-20 · 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{HZC4GFAELZEUO3YKUW2GW3ZPND}

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	2026-05-18T01:10:45.263309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e45c314045e49476f0aa5b46b6f2f68e4f3a3d338af0d961d859878f18a14aa

Aliases

arxiv: 1607.05801 · arxiv_version: 1607.05801v1 · doi: 10.48550/arxiv.1607.05801 · pith_short_12: HZC4GFAELZEU · pith_short_16: HZC4GFAELZEUO3YK · pith_short_8: HZC4GFAE

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/HZC4GFAELZEUO3YKUW2GW3ZPND \
  | 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: 3e45c314045e49476f0aa5b46b6f2f68e4f3a3d338af0d961d859878f18a14aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e3aec6b9efef5b623d0627690ee8bbe1f16a06b638ebb4df779a7e8c06220e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-07-20T01:50:16Z",
    "title_canon_sha256": "43726e0479d17e0e49e40f8b7663a16774cccc4530c241bcbbf2327183624b64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.05801",
    "kind": "arxiv",
    "version": 1
  }
}