Pith Number

pith:GD4JZKTM

pith:2014:GD4JZKTM53FILZ57TQSCZA5COO

not attested not anchored not stored refs pending

Preconditioned Krylov solvers for kernel regression

Balaji Vasan Srinivasan, Nail A. Gumerov, Qi Hu, Raghu Murtugudde, Ramani Duraiswami

arxiv:1408.1237 v1 · 2014-08-06 · cs.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{GD4JZKTM53FILZ57TQSCZA5COO}

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	2026-05-18T02:45:47.873231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30f89caa6ceeca85e7bf9c242c83a273a3811829e461042f7ceedb83262b5b82

Aliases

arxiv: 1408.1237 · arxiv_version: 1408.1237v1 · doi: 10.48550/arxiv.1408.1237 · pith_short_12: GD4JZKTM53FI · pith_short_16: GD4JZKTM53FILZ57 · pith_short_8: GD4JZKTM

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/GD4JZKTM53FILZ57TQSCZA5COO \
  | 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: 30f89caa6ceeca85e7bf9c242c83a273a3811829e461042f7ceedb83262b5b82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b4d02cb62c8de195bba6e274cc6e3419eb77be5c6862dd991c934a61c00ea91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2014-08-06T10:39:59Z",
    "title_canon_sha256": "bcc059034c37306e86f6fe98b7c90a474354740c38f675bed907082af9a44f38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1237",
    "kind": "arxiv",
    "version": 1
  }
}