Pith Number

pith:RJD5VR5E

pith:2016:RJD5VR5EQGZJUZ23QHZ2ZDYJV4

not attested not anchored not stored refs pending

TwinCG: Dual Thread Redundancy with Forward Recovery for Conjugate Gradient Methods

Dimitrios S. Nikolopoulos, Kiril Dichev

arxiv:1605.04580 v1 · 2016-05-15 · 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{RJD5VR5EQGZJUZ23QHZ2ZDYJV4}

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	2026-05-18T01:14:46.808930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a47dac7a481b29a675b81f3ac8f09af0a04d9b50d6c36ac8019390a81f6f4aa

Aliases

arxiv: 1605.04580 · arxiv_version: 1605.04580v1 · doi: 10.48550/arxiv.1605.04580 · pith_short_12: RJD5VR5EQGZJ · pith_short_16: RJD5VR5EQGZJUZ23 · pith_short_8: RJD5VR5E

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/RJD5VR5EQGZJUZ23QHZ2ZDYJV4 \
  | 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: 8a47dac7a481b29a675b81f3ac8f09af0a04d9b50d6c36ac8019390a81f6f4aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0de3d5f75b5830e559969c2f3baeacc727f3c120c2231b15345f1553422299a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2016-05-15T17:34:57Z",
    "title_canon_sha256": "7291d130529a03f2691df7cfb797badfc0668fb170bc706be51b3aa7c314b1ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04580",
    "kind": "arxiv",
    "version": 1
  }
}