Pith Number

pith:6BZKORCB

pith:2012:6BZKORCBR7FG22BODU7VBNFNVJ

not attested not anchored not stored refs pending

A cooperative conjugate gradient method for linear systems permitting multithread implementation of low complexity

Amit Bhaya, Fernando Pazos, Guilherme Niedu, Pierre-Alexandre Bliman

arxiv:1204.0069 v1 · 2012-03-31 · 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{6BZKORCBR7FG22BODU7VBNFNVJ}

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	2026-05-18T00:58:43.133788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f072a744418fca6d682e1d3f50b4adaa588e4a2690c02fc751e12fb3d24a52b3

Aliases

arxiv: 1204.0069 · arxiv_version: 1204.0069v1 · doi: 10.48550/arxiv.1204.0069 · pith_short_12: 6BZKORCBR7FG · pith_short_16: 6BZKORCBR7FG22BO · pith_short_8: 6BZKORCB

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/6BZKORCBR7FG22BODU7VBNFNVJ \
  | 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: f072a744418fca6d682e1d3f50b4adaa588e4a2690c02fc751e12fb3d24a52b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7723b4298b7e737d26b612881e6918fc6163d314d87cce7241f401e060518f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-03-31T03:25:13Z",
    "title_canon_sha256": "e78bfb2b3fe48c5158e17f4ae057251afdd9d78815ce7b17c9a658c9f356b41f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0069",
    "kind": "arxiv",
    "version": 1
  }
}