Pith Number

pith:E6QVYEQR

pith:2016:E6QVYEQRLRQBC43YTS36WP67U7

not attested not anchored not stored refs pending

Block variants of the COCG and COCR methods for solving complex symmetric linear systems with multiple right-hand sides

Bruno Carpentieri, Jing Meng, Ting-Zhu Huang, Xian-Ming Gu

arxiv:1601.05362 v1 · 2016-01-20 · 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{E6QVYEQRLRQBC43YTS36WP67U7}

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	2026-05-18T01:22:15.333859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27a15c12115c601173789cb7eb3fdfa7ec2fa0b05b3bab57c0b0616ab73bda84

Aliases

arxiv: 1601.05362 · arxiv_version: 1601.05362v1 · doi: 10.48550/arxiv.1601.05362 · pith_short_12: E6QVYEQRLRQB · pith_short_16: E6QVYEQRLRQBC43Y · pith_short_8: E6QVYEQR

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/E6QVYEQRLRQBC43YTS36WP67U7 \
  | 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: 27a15c12115c601173789cb7eb3fdfa7ec2fa0b05b3bab57c0b0616ab73bda84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ff12b8132bf9a00fa5cf03e42c8416d39d7c4b85ecc657444e9e4aa235b3c2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-01-20T18:30:33Z",
    "title_canon_sha256": "ddf5fb70bb5df3320544675841d24b38cbc98fe810c28c42f42e0e9854910038"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05362",
    "kind": "arxiv",
    "version": 1
  }
}