Pith Number

pith:RDFBNVC4

pith:2017:RDFBNVC4P4QJ6F6SMPEADDOKNR

not attested not anchored not stored refs pending

Low-rank computation of posterior covariance matrices in Bayesian inverse problems

Martin Stoll, Peter Benner, Yue Qiu

arxiv:1703.05638 v1 · 2017-03-16 · 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{RDFBNVC4P4QJ6F6SMPEADDOKNR}

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	2026-05-18T00:10:24.519361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88ca16d45c7f209f17d263c8018dca6c58f9d88fcc4604152b584bb27902fd74

Aliases

arxiv: 1703.05638 · arxiv_version: 1703.05638v1 · doi: 10.48550/arxiv.1703.05638 · pith_short_12: RDFBNVC4P4QJ · pith_short_16: RDFBNVC4P4QJ6F6S · pith_short_8: RDFBNVC4

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/RDFBNVC4P4QJ6F6SMPEADDOKNR \
  | 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: 88ca16d45c7f209f17d263c8018dca6c58f9d88fcc4604152b584bb27902fd74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2e28a5fb9906dcc7f4bdfb46ffcb436a4966ec6524b9a44d2b8ba721be6e063",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-03-16T14:28:12Z",
    "title_canon_sha256": "b7d0613c33d511da8a88cb1595be2e5da5305e18cc7f2154e4c52f94e8f4f471"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05638",
    "kind": "arxiv",
    "version": 1
  }
}