Pith Number

pith:WQWSZQ4X

pith:2022:WQWSZQ4XUS5O55OPNF4OTHW5DA

not attested not anchored not stored refs pending

Bias on Tensor-to-Scalar Ratio Inference With Estimated Covariance Matrices

Ari Cukierman, Dominic Beck, W. L. Kimmy Wu

arxiv:2202.05949 v2 · 2022-02-12 · 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{WQWSZQ4XUS5O55OPNF4OTHW5DA}

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.

Cited by

1 paper in Pith

CMB-S4: Foreground-Cleaning Pipeline Comparison for Measuring Primordial Gravitational Waves

Receipt and verification

First computed	2026-07-05T04:37:32.649917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b42d2cc397a4baeef5cf6978e99edd183e3388e45a85bd59007dbce0caeee016

Aliases

arxiv: 2202.05949 · arxiv_version: 2202.05949v2 · doi: 10.48550/arxiv.2202.05949 · pith_short_12: WQWSZQ4XUS5O · pith_short_16: WQWSZQ4XUS5O55OP · pith_short_8: WQWSZQ4X

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/WQWSZQ4XUS5O55OPNF4OTHW5DA \
  | 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: b42d2cc397a4baeef5cf6978e99edd183e3388e45a85bd59007dbce0caeee016

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27c86413012f9c07446cdb8e9a2214b089d068dc669d0b4659abfd156a8a9d64",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-02-12T01:26:55Z",
    "title_canon_sha256": "60ef900c8e58068781119f069fcebe24baf9d21fe6bbb55982f5f63daf7843bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.05949",
    "kind": "arxiv",
    "version": 2
  }
}