Pith Number

pith:KSVNPVGK

pith:2019:KSVNPVGKVQUZBZKFTS4KN6SFY6

not attested not anchored not stored refs pending

A Kaczmarz Algorithm for Solving Tree Based Distributed Systems of Equations

Chinmay Hegde, Eric S. Weber, Fritz Keinert

arxiv:1904.05732 v1 · 2019-04-11 · math.NA · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KSVNPVGKVQUZBZKFTS4KN6SFY6}

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	2026-05-17T23:48:48.638667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54aad7d4caac2990e5459cb8a6fa45c7a6f785ac23ec3df67dc848acd9cabf2f

Aliases

arxiv: 1904.05732 · arxiv_version: 1904.05732v1 · doi: 10.48550/arxiv.1904.05732 · pith_short_12: KSVNPVGKVQUZ · pith_short_16: KSVNPVGKVQUZBZKF · pith_short_8: KSVNPVGK

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/KSVNPVGKVQUZBZKFTS4KN6SFY6 \
  | 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: 54aad7d4caac2990e5459cb8a6fa45c7a6f785ac23ec3df67dc848acd9cabf2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76fc8de76375e9564ceb5a738bfee3da6b2c6203e89d936ca9495af9232ee9fe",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-04-11T14:43:24Z",
    "title_canon_sha256": "bef388385c6ede5d2ef664401fa6204fe010af90b492d5948d7c6d245a2e64e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05732",
    "kind": "arxiv",
    "version": 1
  }
}