Pith Number

pith:JZVTLRXC

pith:2018:JZVTLRXC4NFV2BLHC2SVWIMZRR

not attested not anchored not stored refs pending

Solving Directed Laplacian Systems in Nearly-Linear Time through Sparse LU Factorizations

Aaron Sidford, Anup B. Rao, John Peebles, Jonathan Kelner, Michael B. Cohen, Rasmus Kyng, Richard Peng

arxiv:1811.10722 v1 · 2018-11-26 · 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{JZVTLRXC4NFV2BLHC2SVWIMZRR}

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	2026-05-17T23:59:47.732816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e6b35c6e2e34b5d056716a55b21998c63d3f40b3ff99e0ac2a75c755c6b10c1

Aliases

arxiv: 1811.10722 · arxiv_version: 1811.10722v1 · doi: 10.48550/arxiv.1811.10722 · pith_short_12: JZVTLRXC4NFV · pith_short_16: JZVTLRXC4NFV2BLH · pith_short_8: JZVTLRXC

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/JZVTLRXC4NFV2BLHC2SVWIMZRR \
  | 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: 4e6b35c6e2e34b5d056716a55b21998c63d3f40b3ff99e0ac2a75c755c6b10c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19d7d1b0436f4636c439839be20547499e8bd81915052c2e41af155e74f299a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-11-26T22:33:44Z",
    "title_canon_sha256": "3364765463b3881e582e3744e098f4d2b2e26110453075a71b0be586625d2673"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.10722",
    "kind": "arxiv",
    "version": 1
  }
}