Pith Number

pith:OAT4I42D

pith:2016:OAT4I42DCUXGF52G5G4OUOJ6A7

not attested not anchored not stored refs pending

Convergence Rates for Greedy Kaczmarz Algorithms, and Faster Randomized Kaczmarz Rules Using the Orthogonality Graph

Alim Virani, Behrooz Sepehry, Hoyt Koepke, Issam Laradji, Julie Nutini, Mark Schmidt

arxiv:1612.07838 v1 · 2016-12-22 · 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{OAT4I42DCUXGF52G5G4OUOJ6A7}

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	2026-05-18T00:54:05.588481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7027c47343152e62f746e9b8ea393e07d95264ed0e629fb8e1a1f78e54e837d5

Aliases

arxiv: 1612.07838 · arxiv_version: 1612.07838v1 · doi: 10.48550/arxiv.1612.07838 · pith_short_12: OAT4I42DCUXG · pith_short_16: OAT4I42DCUXGF52G · pith_short_8: OAT4I42D

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/OAT4I42DCUXGF52G5G4OUOJ6A7 \
  | 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: 7027c47343152e62f746e9b8ea393e07d95264ed0e629fb8e1a1f78e54e837d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60fd7f41c1c289afc9b69dfc7d241df2bef0d10f05b78c4e7a2446ce30ed2ca1",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-12-22T23:31:35Z",
    "title_canon_sha256": "e40e8f2951d5e14de659658a73da51dd98e08b9c7b0f78219e433c2ac3189e8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07838",
    "kind": "arxiv",
    "version": 1
  }
}