Pith Number

pith:B23U5LOZ

pith:2014:B23U5LOZPPPGEN7KDK3NBMY4RT

not attested not anchored not stored refs pending

Compressive Sampling of Polynomial Chaos Expansions: Convergence Analysis and Sampling Strategies

Alireza Doostan, Jerrad Hampton

arxiv:1408.4157 v3 · 2014-08-18 · 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{B23U5LOZPPPGEN7KDK3NBMY4RT}

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	2026-05-18T01:42:17.758568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eb74eadd97bde6237ea1ab6d0b31c8ce19a06cf2c1c9e2a65559560c98f3710

Aliases

arxiv: 1408.4157 · arxiv_version: 1408.4157v3 · doi: 10.48550/arxiv.1408.4157 · pith_short_12: B23U5LOZPPPG · pith_short_16: B23U5LOZPPPGEN7K · pith_short_8: B23U5LOZ

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/B23U5LOZPPPGEN7KDK3NBMY4RT \
  | 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: 0eb74eadd97bde6237ea1ab6d0b31c8ce19a06cf2c1c9e2a65559560c98f3710

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca3a077ae5f53f75275cb63a97690146d1a0fb5030e028a5dac2e148487c094b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2014-08-18T20:56:46Z",
    "title_canon_sha256": "f37688ef4040f51f70ae510364f86549d34da9e065a610ebd886783c8243509f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4157",
    "kind": "arxiv",
    "version": 3
  }
}