Pith Number

pith:3QNVIKPG

pith:2016:3QNVIKPGKQXE4OHWUQRZOF3NEM

not attested not anchored not stored refs pending

Basker: A Threaded Sparse LU Factorization Utilizing Hierarchical Parallelism and Data Layouts

Heidi K. Thornquist, Joshua Dennis Booth, Sivasankaran Rajamanickam

arxiv:1601.05725 v1 · 2016-01-21 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3QNVIKPGKQXE4OHWUQRZOF3NEM}

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	2026-05-18T01:22:13.126554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc1b5429e6542e4e38f6a42397176d231f8d74bbedd03a096dd51b62f3768e1c

Aliases

arxiv: 1601.05725 · arxiv_version: 1601.05725v1 · doi: 10.48550/arxiv.1601.05725 · pith_short_12: 3QNVIKPGKQXE · pith_short_16: 3QNVIKPGKQXE4OHW · pith_short_8: 3QNVIKPG

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/3QNVIKPGKQXE4OHWUQRZOF3NEM \
  | 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: dc1b5429e6542e4e38f6a42397176d231f8d74bbedd03a096dd51b62f3768e1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7710299aa708ac22c348d30d83d6d9d77d1a2703c882fc9ff31dbe192b169f0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2016-01-21T17:51:44Z",
    "title_canon_sha256": "a9e21712e8fba75a7d50499b6b2b3bfb3e4ab89e85db48cc6fb9c917af3ecd9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05725",
    "kind": "arxiv",
    "version": 1
  }
}