Pith Number

pith:AFQWPFMP

pith:2009:AFQWPFMP5LTKFR7KIWCBET3ID4

not attested not anchored not stored refs pending

Approximation of Bayesian Inverse Problems for PDEs

A.M. Stuart, M. Dashti, S.L. Cotter

arxiv:0909.2126 v1 · 2009-09-11 · math.NA · cs.NA · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AFQWPFMP5LTKFR7KIWCBET3ID4}

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	2026-06-03T23:06:28.922619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

016167958feae6a2c7ea4584124f681f3244e77be79bd84cf13540703d3740c9

Aliases

arxiv: 0909.2126 · arxiv_version: 0909.2126v1 · doi: 10.48550/arxiv.0909.2126 · pith_short_12: AFQWPFMP5LTK · pith_short_16: AFQWPFMP5LTKFR7K · pith_short_8: AFQWPFMP

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/AFQWPFMP5LTKFR7KIWCBET3ID4 \
  | 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: 016167958feae6a2c7ea4584124f681f3244e77be79bd84cf13540703d3740c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67948ed306c69f85b790762dffb4472cbbb281a01e3e3db6cef64b22afb4dbda",
    "cross_cats_sorted": [
      "cs.NA",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-09-11T09:53:17Z",
    "title_canon_sha256": "72e92881ac6ea05a71f2afe7544d8ca8fce067b923509534e5588d2879189160"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2126",
    "kind": "arxiv",
    "version": 1
  }
}