Pith Number

pith:3QBULZII

pith:2019:3QBULZIIGQ4QURVI3KAAMBREOD

not attested not anchored not stored refs pending

`Regression Anytime' with Brute-Force SVD Truncation

Christian Bender, Nikolaus Schweizer

arxiv:1908.08264 v2 · 2019-08-22 · math.ST · cs.NA · math.NA · math.OC · math.PR · q-fin.CP · 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{3QBULZIIGQ4QURVI3KAAMBREOD}

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	2026-07-05T01:39:24.631359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc0345e50834390a46a8da8006062470d65ecaff7a06e5a3e85e987fbe737a80

Aliases

arxiv: 1908.08264 · arxiv_version: 1908.08264v2 · doi: 10.48550/arxiv.1908.08264 · pith_short_12: 3QBULZIIGQ4Q · pith_short_16: 3QBULZIIGQ4QURVI · pith_short_8: 3QBULZII

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/3QBULZIIGQ4QURVI3KAAMBREOD \
  | 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: dc0345e50834390a46a8da8006062470d65ecaff7a06e5a3e85e987fbe737a80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b24be1b5202d10c02a2ff4d8d8b75ab2ad4e5b0b62824f6e765f051215d2640",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "math.OC",
      "math.PR",
      "q-fin.CP",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2019-08-22T09:10:45Z",
    "title_canon_sha256": "965fc51d8bb5a2d18867c543da58fefe8921d4fd82df2dca4777e1f986b8810b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08264",
    "kind": "arxiv",
    "version": 2
  }
}