Pith Number

pith:YQBSTJCW

pith:2021:YQBSTJCW3APVLQ2QRE63RY25HH

not attested not anchored not stored refs pending

1/f Noise Analysis for FAST HI Intensity Mapping Drift-Scan Experiment

Bo Zhang, Fengquan Wu, Guilaine Lagache, Mario G. Santos, Ming Zhu, Shifan Zuo, Wenkai Hu, Xuelei Chen, Yichao Li, Yinzhe Ma, Yougang Wang

arxiv:2109.06447 v1 · 2021-09-14 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YQBSTJCW3APVLQ2QRE63RY25HH}

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	2026-07-05T03:22:00.042882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c40329a456d81f55c350893db8e35d39e40594d46e5f78ed3dc8fe04ea3d9bb8

Aliases

arxiv: 2109.06447 · arxiv_version: 2109.06447v1 · doi: 10.48550/arxiv.2109.06447 · pith_short_12: YQBSTJCW3APV · pith_short_16: YQBSTJCW3APVLQ2Q · pith_short_8: YQBSTJCW

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/YQBSTJCW3APVLQ2QRE63RY25HH \
  | 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: c40329a456d81f55c350893db8e35d39e40594d46e5f78ed3dc8fe04ea3d9bb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45101fac46c4e3b6c8222ea739137a812be8b2f062eaec27a0d8e40d35b418b3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-09-14T05:20:29Z",
    "title_canon_sha256": "e69e42ec45474c625532239e154e617a8f8261365e7e242008ccdf360bd1983d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06447",
    "kind": "arxiv",
    "version": 1
  }
}