Pith Number

pith:RF7ICMSC

pith:2014:RF7ICMSCK3JYIPLV2PLFZORYGA

not attested not anchored not stored refs pending

Limitations of polynomial chaos expansions in the Bayesian solution of inverse problems

Alexandre J. Chorin, Fei Lu, Matthias Morzfeld, Xuemin Tu

arxiv:1404.7188 v2 · 2014-04-28 · math.NA · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RF7ICMSCK3JYIPLV2PLFZORYGA}

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	2026-05-18T01:43:22.266782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

897e81324256d3843d75d3d65cba38303ced0edbce35e72c93afdfc90a85ab5b

Aliases

arxiv: 1404.7188 · arxiv_version: 1404.7188v2 · doi: 10.48550/arxiv.1404.7188 · pith_short_12: RF7ICMSCK3JY · pith_short_16: RF7ICMSCK3JYIPLV · pith_short_8: RF7ICMSC

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/RF7ICMSCK3JYIPLV2PLFZORYGA \
  | 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: 897e81324256d3843d75d3d65cba38303ced0edbce35e72c93afdfc90a85ab5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29e64fc2db5cc27ac82810225309eca3b1e20fbf1feb260cea105cba1bf456ad",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-04-28T22:33:33Z",
    "title_canon_sha256": "9f2008953944eda4cb55cf424185eb13fe22129e49d2c409b020c6c6790a0344"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7188",
    "kind": "arxiv",
    "version": 2
  }
}