Pith Number

pith:BJ5KATQD

pith:2018:BJ5KATQD7PFVBEUZI4WOHJJ75D

not attested not anchored not stored refs pending

Randomized Projection Methods for Linear Systems with Arbitrarily Large Sparse Corruptions

Deanna Needell, Jamie Haddock

arxiv:1803.08114 v2 · 2018-03-21 · 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{BJ5KATQD7PFVBEUZI4WOHJJ75D}

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	2026-05-17T23:57:32.157493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a7aa04e03fbcb509299472ce3a53fe8d4d1e6c1bd19ed17cd1463eb3bdebdd8

Aliases

arxiv: 1803.08114 · arxiv_version: 1803.08114v2 · doi: 10.48550/arxiv.1803.08114 · pith_short_12: BJ5KATQD7PFV · pith_short_16: BJ5KATQD7PFVBEUZ · pith_short_8: BJ5KATQD

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/BJ5KATQD7PFVBEUZI4WOHJJ75D \
  | 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: 0a7aa04e03fbcb509299472ce3a53fe8d4d1e6c1bd19ed17cd1463eb3bdebdd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dcd805405c67b0de3df4a29249290bbd5900c872976086b7e5539095f1ed1d9",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-21T20:21:02Z",
    "title_canon_sha256": "7db82de9f42cdb50860eff82bdae2746aa36b5eb966fd6a85c21ad6f8e25079c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08114",
    "kind": "arxiv",
    "version": 2
  }
}