Pith Number

pith:RVVANNIO

pith:2020:RVVANNIOKDVNKDYEX2RTWNWEGR

not attested not anchored not stored refs pending

Tensor-structured sketching for constrained least squares

Ke Chen, Ruhui Jin

arxiv:2010.09791 v3 · 2020-10-19 · math.OC · cs.NA · math.NA · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RVVANNIOKDVNKDYEX2RTWNWEGR}

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	2026-07-05T03:11:26.340669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d6a06b50e50ead50f04bea33b36c43471f195239e4efcc3e49d8ff444001bbe

Aliases

arxiv: 2010.09791 · arxiv_version: 2010.09791v3 · doi: 10.48550/arxiv.2010.09791 · pith_short_12: RVVANNIOKDVN · pith_short_16: RVVANNIOKDVNKDYE · pith_short_8: RVVANNIO

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/RVVANNIOKDVNKDYEX2RTWNWEGR \
  | 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: 8d6a06b50e50ead50f04bea33b36c43471f195239e4efcc3e49d8ff444001bbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3073fb93d584be53c8352f7f12478bf592006ca7a8a4c7a33d12745c8f928ccd",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2020-10-19T19:06:06Z",
    "title_canon_sha256": "7a263095c829663452248e03a6ad6fcadd6331582864530940d3a9ade532e02b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.09791",
    "kind": "arxiv",
    "version": 3
  }
}