Pith Number

pith:J4NGSXJ3

pith:2011:J4NGSXJ3RPGYNSMQE6EBL4JC2K

not attested not anchored not stored refs pending

Hybrid static/dynamic scheduling for already optimized dense matrix factorization

Laura Grigori, Simplice Donfack, Vivek Kale, William D. Gropp

arxiv:1110.2677 v1 · 2011-10-12 · 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{J4NGSXJ3RPGYNSMQE6EBL4JC2K}

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	2026-05-18T04:11:07.789758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f1a695d3b8bcd86c990278815f122d2b9441438139d987959cf7b3eb8f77190

Aliases

arxiv: 1110.2677 · arxiv_version: 1110.2677v1 · doi: 10.48550/arxiv.1110.2677 · pith_short_12: J4NGSXJ3RPGY · pith_short_16: J4NGSXJ3RPGYNSMQ · pith_short_8: J4NGSXJ3

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/J4NGSXJ3RPGYNSMQE6EBL4JC2K \
  | 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: 4f1a695d3b8bcd86c990278815f122d2b9441438139d987959cf7b3eb8f77190

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "808dac60bcf7a782af3b35ac9159e0c4828d629cd79f84a839b1dfdfb669a9a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2011-10-12T15:09:45Z",
    "title_canon_sha256": "83e16261861428c9af251486c9d4fa4b0ba681636e5975681bf5af32b4d97474"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2677",
    "kind": "arxiv",
    "version": 1
  }
}