Pith Number

pith:D5PMEA6U

pith:2016:D5PMEA6UPX7O67D4RRNYN6SPGA

not attested not anchored not stored refs pending

Sparse approximation of multilinear problems with applications to kernel-based methods in UQ

Fabio Nobile, Raul Tempone, Soeren Wolfers

arxiv:1609.00246 v3 · 2016-09-01 · 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{D5PMEA6UPX7O67D4RRNYN6SPGA}

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	2026-05-18T00:10:48.119640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f5ec203d47dfeef7c7c8c5b86fa4f303889d820c8b0f6d89b7d78776539f508

Aliases

arxiv: 1609.00246 · arxiv_version: 1609.00246v3 · doi: 10.48550/arxiv.1609.00246 · pith_short_12: D5PMEA6UPX7O · pith_short_16: D5PMEA6UPX7O67D4 · pith_short_8: D5PMEA6U

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/D5PMEA6UPX7O67D4RRNYN6SPGA \
  | 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: 1f5ec203d47dfeef7c7c8c5b86fa4f303889d820c8b0f6d89b7d78776539f508

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34202c9fc5508c48e05e98b77a76739bf17252eb26bc4e171b862b90e2a548aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-09-01T14:08:49Z",
    "title_canon_sha256": "1f90ac8734b12f373802d78c15dc30089e0cf829c93ac712d10de5a725ae988d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00246",
    "kind": "arxiv",
    "version": 3
  }
}