Pith Number

pith:HCPZNMTZ

pith:2018:HCPZNMTZNACUHJMXDP53B5UN2A

not attested not anchored not stored refs pending

Sublinear-Time Quadratic Minimization via Spectral Decomposition of Matrices

Amit Levi, Yuichi Yoshida

arxiv:1806.10626 v1 · 2018-06-27 · 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{HCPZNMTZNACUHJMXDP53B5UN2A}

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	2026-05-18T00:12:08.405021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

389f96b279680543a5971bfbb0f68dd005e17aef6ca5a0a324a55c259c28755a

Aliases

arxiv: 1806.10626 · arxiv_version: 1806.10626v1 · doi: 10.48550/arxiv.1806.10626 · pith_short_12: HCPZNMTZNACU · pith_short_16: HCPZNMTZNACUHJMX · pith_short_8: HCPZNMTZ

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/HCPZNMTZNACUHJMXDP53B5UN2A \
  | 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: 389f96b279680543a5971bfbb0f68dd005e17aef6ca5a0a324a55c259c28755a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e34d166b6136f453833855c3711be27bf05fba0645b0a562a1c319bd4b7bd34d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-06-27T18:05:06Z",
    "title_canon_sha256": "6a6774183b506dd5e646afe8bca342df10200bc1626df86419bf0cfc6881d161"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10626",
    "kind": "arxiv",
    "version": 1
  }
}