Pith Number

pith:BKOYPYCE

pith:2016:BKOYPYCEA2TMNEFMST2BV65CUB

not attested not anchored not stored refs pending

A communication-avoiding parallel algorithm for the symmetric eigenvalue problem

Edgar Solomonik, Grey Ballard, James Demmel, Torsten Hoefler

arxiv:1604.03703 v1 · 2016-04-13 · cs.DC · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKOYPYCEA2TMNEFMST2BV65CUB}

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	2026-05-18T01:16:59.176426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a9d87e04406a6c690ac94f41afba2a05fdd0405bcf3826ba6a9d7d8066aa444

Aliases

arxiv: 1604.03703 · arxiv_version: 1604.03703v1 · doi: 10.48550/arxiv.1604.03703 · pith_short_12: BKOYPYCEA2TM · pith_short_16: BKOYPYCEA2TMNEFM · pith_short_8: BKOYPYCE

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/BKOYPYCEA2TMNEFMST2BV65CUB \
  | 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: 0a9d87e04406a6c690ac94f41afba2a05fdd0405bcf3826ba6a9d7d8066aa444

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c7c0105225fd1f66e39df40caa1869afeafbbee7bc63df8d64718d506a5ad74",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2016-04-13T09:36:02Z",
    "title_canon_sha256": "3c4366bcf357e76f6669c006bdc2477cd0c04269c1a67341cad368f17aade37f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03703",
    "kind": "arxiv",
    "version": 1
  }
}