Pith Number

pith:IQFTWTEY

pith:2018:IQFTWTEYDTAOJ5DGT6VYOSL2YH

not attested not anchored not stored refs pending

A probabilistic framework for approximating functions in active subspaces

Mario Teixeira Parente

arxiv:1809.06581 v2 · 2018-09-18 · math.PR · math.NA · math.ST · stat.ME · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IQFTWTEYDTAOJ5DGT6VYOSL2YH}

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	2026-05-17T23:49:17.373800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

440b3b4c981cc0e4f4669fab87497ac1d98009e819310142da861885e905a256

Aliases

arxiv: 1809.06581 · arxiv_version: 1809.06581v2 · doi: 10.48550/arxiv.1809.06581 · pith_short_12: IQFTWTEYDTAO · pith_short_16: IQFTWTEYDTAOJ5DG · pith_short_8: IQFTWTEY

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/IQFTWTEYDTAOJ5DGT6VYOSL2YH \
  | 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: 440b3b4c981cc0e4f4669fab87497ac1d98009e819310142da861885e905a256

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a08ca803f474f8dfdc30b0b894fcd009009a29c98a9285bf56272872b6c6d4c",
    "cross_cats_sorted": [
      "math.NA",
      "math.ST",
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2018-09-18T08:21:22Z",
    "title_canon_sha256": "f455735eb21574d73b15037adb1244aafe60c65f68314df8d453215548c60435"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06581",
    "kind": "arxiv",
    "version": 2
  }
}