Pith Number

pith:JTTHKZEU

pith:2013:JTTHKZEUKPNE5UEDXJWCIQP6QF

not attested not anchored not stored refs pending

An Efficient Parallel Solver for SDD Linear Systems

Daniel A. Spielman, Richard Peng

arxiv:1311.3286 v1 · 2013-11-13 · cs.NA · 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{JTTHKZEUKPNE5UEDXJWCIQP6QF}

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.

Cited by

1 paper in Pith

Flows in Almost Linear Time via Adaptive Preconditioning

Receipt and verification

First computed	2026-05-18T03:07:12.503814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ce675649453da4ed083ba6c2441fe815543c806b0555db1abb62a693185fbe6

Aliases

arxiv: 1311.3286 · arxiv_version: 1311.3286v1 · doi: 10.48550/arxiv.1311.3286 · pith_short_12: JTTHKZEUKPNE · pith_short_16: JTTHKZEUKPNE5UED · pith_short_8: JTTHKZEU

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/JTTHKZEUKPNE5UEDXJWCIQP6QF \
  | 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: 4ce675649453da4ed083ba6c2441fe815543c806b0555db1abb62a693185fbe6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "951df00018ddc510b23db25606aef3e49fa90395df786e90720a774fa839dd48",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2013-11-13T20:41:01Z",
    "title_canon_sha256": "5ff486eaf2006e1cad6b7e47374d66e9e67b39b2f7ac8cd2eef4f2d94984c66f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3286",
    "kind": "arxiv",
    "version": 1
  }
}