Pith Number

pith:RXHCX67K

pith:2021:RXHCX67K5AC7AYXLYIQWGM2GYD

not attested not anchored not stored refs pending

QuantileRK: Solving Large-Scale Linear Systems with Corrupted, Noisy Data

Benjamin Jarman, Deanna Needell

arxiv:2108.02304 v1 · 2021-08-04 · math.NA · 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{RXHCX67K5AC7AYXLYIQWGM2GYD}

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	2026-07-05T03:03:31.528309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dce2bfbeae805f062ebc221633346c0cf0c261d24dbe2941833b160039981d0

Aliases

arxiv: 2108.02304 · arxiv_version: 2108.02304v1 · doi: 10.48550/arxiv.2108.02304 · pith_short_12: RXHCX67K5AC7 · pith_short_16: RXHCX67K5AC7AYXL · pith_short_8: RXHCX67K

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/RXHCX67K5AC7AYXLYIQWGM2GYD \
  | 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: 8dce2bfbeae805f062ebc221633346c0cf0c261d24dbe2941833b160039981d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ded9144d30f6690ffce6b4bf1f24c2517adbdd7539ea700ae0ea5745335ca23",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-08-04T22:27:46Z",
    "title_canon_sha256": "ad4ec9e96dc290c2ad15112f9b3595dd2651579c6593efd4df6f8a3ee346d1d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02304",
    "kind": "arxiv",
    "version": 1
  }
}