Pith Number

pith:LWYWEIS6

pith:2026:LWYWEIS6Y575MOIP6A2BHSGUXE

not attested not anchored not stored refs pending

Fewer simulations, sharper covariances: Reducing mock covariance noise with Zeldovich approximation control variates

Boryana Hadzhiyska, Martin White

arxiv:2605.28817 v1 · 2026-05-27 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LWYWEIS6Y575MOIP6A2BHSGUXE}

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	2026-05-28T02:05:04.575124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5db162225ec77fd6390ff03413c8d4b93b4297fa5a16b786f45f7aeaa6a268b6

Aliases

arxiv: 2605.28817 · arxiv_version: 2605.28817v1 · doi: 10.48550/arxiv.2605.28817 · pith_short_12: LWYWEIS6Y575 · pith_short_16: LWYWEIS6Y575MOIP · pith_short_8: LWYWEIS6

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/LWYWEIS6Y575MOIP6A2BHSGUXE \
  | 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: 5db162225ec77fd6390ff03413c8d4b93b4297fa5a16b786f45f7aeaa6a268b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba3a4e955b07fff55b223aaeedcc9cbc79ad55529cbbe85ebacbd4976cf7a475",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-05-27T17:59:31Z",
    "title_canon_sha256": "53da43e266229a7119b11b8b5e0f841c23715eeb6aa849c24643f6cc0c9fb0b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28817",
    "kind": "arxiv",
    "version": 1
  }
}