Pith Number

pith:KPUFOAHY

pith:2016:KPUFOAHY5DNGHOEWBET32HV4HX

not attested not anchored not stored refs pending

Fast symmetric additive covariance smoothing

Fabian Scheipl, Jona Cederbaum, Sonja Greven

arxiv:1609.07007 v1 · 2016-09-22 · stat.CO · stat.AP · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPUFOAHY5DNGHOEWBET32HV4HX}

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	2026-05-18T01:04:04.649758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53e85700f8e8da63b8960927bd1ebc3de1d7943e80d2c579c8e8610227fcec21

Aliases

arxiv: 1609.07007 · arxiv_version: 1609.07007v1 · doi: 10.48550/arxiv.1609.07007 · pith_short_12: KPUFOAHY5DNG · pith_short_16: KPUFOAHY5DNGHOEW · pith_short_8: KPUFOAHY

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/KPUFOAHY5DNGHOEWBET32HV4HX \
  | 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: 53e85700f8e8da63b8960927bd1ebc3de1d7943e80d2c579c8e8610227fcec21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdd5f86f70d929c81fcacf771eea528c408e35ece495f98fba97e939b4581d38",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2016-09-22T15:00:25Z",
    "title_canon_sha256": "b9273d2ebaf3caad214be68d88ec45c023007cd6ebe65f549b18d6eecfa74450"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07007",
    "kind": "arxiv",
    "version": 1
  }
}