Pith Number

pith:FEH2Q7OJ

pith:2018:FEH2Q7OJO2VOTTKE77PAEX7U2D

not attested not anchored not stored refs pending

Uncertainty quantification in large Bayesian linear inverse problems using Krylov subspace methods

Arvind K. Saibaba, Julianne Chung, Katrina Petroske

arxiv:1808.09066 v2 · 2018-08-27 · 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{FEH2Q7OJO2VOTTKE77PAEX7U2D}

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	2026-05-17T23:45:46.729034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

290fa87dc976aae9cd44ffde025ff4d0fca92a10308cf52a6a49b9407467f3a9

Aliases

arxiv: 1808.09066 · arxiv_version: 1808.09066v2 · doi: 10.48550/arxiv.1808.09066 · pith_short_12: FEH2Q7OJO2VO · pith_short_16: FEH2Q7OJO2VOTTKE · pith_short_8: FEH2Q7OJ

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/FEH2Q7OJO2VOTTKE77PAEX7U2D \
  | 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: 290fa87dc976aae9cd44ffde025ff4d0fca92a10308cf52a6a49b9407467f3a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "662291949f1b551ad24417b47aae92e7cc13f509d0277a5ec4a5e103b2bbd173",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-27T23:59:08Z",
    "title_canon_sha256": "b2c0c8878891bdd2e2dfa04bb564feb1117c38ade3bd4edc5f27a1fb8f8715bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09066",
    "kind": "arxiv",
    "version": 2
  }
}