Pith Number

pith:NX6VEECZ

pith:2011:NX6VEECZ3LLJJPSQEAT2YDNW4R

not attested not anchored not stored refs pending

Randomized algorithms for matrices and data

Michael W. Mahoney

arxiv:1104.5557 v3 · 2011-04-29 · 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{NX6VEECZ3LLJJPSQEAT2YDNW4R}

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	2026-05-18T04:08:14.586957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dfd521059dad694be502027ac0db6e4508fc17a2b0ee747a54e38bb93c4885c

Aliases

arxiv: 1104.5557 · arxiv_version: 1104.5557v3 · doi: 10.48550/arxiv.1104.5557 · pith_short_12: NX6VEECZ3LLJ · pith_short_16: NX6VEECZ3LLJJPSQ · pith_short_8: NX6VEECZ

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/NX6VEECZ3LLJJPSQEAT2YDNW4R \
  | 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: 6dfd521059dad694be502027ac0db6e4508fc17a2b0ee747a54e38bb93c4885c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9427db06ba9d0c26fbaa99782cf80e6597db79d941575c1e66dd4a9df8122b5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-04-29T06:41:53Z",
    "title_canon_sha256": "3c3567b2e87ffeb8880de8dd322f20795879dc7b3c1a2880a21777a6e76a9c06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5557",
    "kind": "arxiv",
    "version": 3
  }
}