Pith Number

pith:S77EMCU3

pith:2015:S77EMCU33V5SD7UMCANPRDMV23

not attested not anchored not stored refs pending

An Efficient Solver for Sparse Linear Systems Based on Rank-Structured Cholesky Factorization

David S. Bindel, Jeffrey N. Chadwick

arxiv:1507.05593 v1 · 2015-07-20 · cs.NA · math.NA

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\usepackage{pith}
\pithnumber{S77EMCU33V5SD7UMCANPRDMV23}

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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

Parallel Sparse and Data-Sparse Factorization-based Linear Solvers

Receipt and verification

First computed	2026-05-18T01:36:36.436759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97fe460a9bdd7b21fe8c101af88d95d6cffd315cc5d8cbf0ac31ef65fa9a821b

Aliases

arxiv: 1507.05593 · arxiv_version: 1507.05593v1 · doi: 10.48550/arxiv.1507.05593 · pith_short_12: S77EMCU33V5S · pith_short_16: S77EMCU33V5SD7UM · pith_short_8: S77EMCU3

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/S77EMCU33V5SD7UMCANPRDMV23 \
  | 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: 97fe460a9bdd7b21fe8c101af88d95d6cffd315cc5d8cbf0ac31ef65fa9a821b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ee0dbdca5310165f7e6d72d5d94c41bd96722ce3ce38e3ea6ac39b9a93237f5",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2015-07-20T19:01:30Z",
    "title_canon_sha256": "37ac8275979ef89777a8b72b909f3e2f3bc3b7c5faa3dbc3addd85a41e55c510"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05593",
    "kind": "arxiv",
    "version": 1
  }
}