Pith Number

pith:7DBDXVPX

pith:2025:7DBDXVPXW6T7YWWSQQQCN3KI7U

not attested not anchored not stored refs pending

A quadratic estimator view of the transfer function correction in intensity mapping surveys

Zhaoting Chen

arxiv:2504.13070 v2 · 2025-04-17 · 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{7DBDXVPXW6T7YWWSQQQCN3KI7U}

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

Beyond {\Lambda}CDM with the SKA Observatory -- II: Unveiling the Secrets of the Early Universe

Receipt and verification

First computed	2026-07-05T11:47:21.960604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8c23bd5f7b7a7fc5ad2842026ed48fd22d908400368952565f8eced53feece7

Aliases

arxiv: 2504.13070 · arxiv_version: 2504.13070v2 · doi: 10.48550/arxiv.2504.13070 · pith_short_12: 7DBDXVPXW6T7 · pith_short_16: 7DBDXVPXW6T7YWWS · pith_short_8: 7DBDXVPX

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/7DBDXVPXW6T7YWWSQQQCN3KI7U \
  | 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: f8c23bd5f7b7a7fc5ad2842026ed48fd22d908400368952565f8eced53feece7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dec1508baeb015a9592a2caf99f8854f0dcf0bb1762f1dbe29088dd64ada641",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-04-17T16:31:14Z",
    "title_canon_sha256": "dfda841b53e6128cf9de1e934438710c96d51eb209a4399652120e916e135350"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.13070",
    "kind": "arxiv",
    "version": 2
  }
}