Pith Number

pith:XZRWMWBJ

pith:2026:XZRWMWBJP5AWMFXYXJF4JKC4HQ

not attested not anchored not stored refs pending

The FAST Hundred-Deg$^2$ HI Deep (HD$^2$) Survey: Early Results from the Pilot Survey

Cheng Li, Chen Xu, Hong Guo, Hui-Jie Hu, Hu Zou, Jie Wang, Jing Wang, Jun Pan, Liang Gao, Niankun Yu, Pinsong Zhao, Qi Guo, Qingze Chen, Qiusheng Gu, Taotao Fang, Tao Wang, Tiantian Liang, Wei Du, Wenting Wang, Xiao Li, Xi Kang, Xu Kong, Yanrui Zhou, Yingjie Jing, Yiwei Xu, Zerui Liu, Zhen Jiang, Zhipeng Hou, Ziming Liu

arxiv:2605.23686 v1 · 2026-05-22 · astro-ph.GA · 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{XZRWMWBJP5AWMFXYXJF4JKC4HQ}

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	2026-05-25T02:02:26.478870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be636658297f416616f8ba4bc4a85c3c08c8697252ba86088be5c67bd74302e8

Aliases

arxiv: 2605.23686 · arxiv_version: 2605.23686v1 · doi: 10.48550/arxiv.2605.23686 · pith_short_12: XZRWMWBJP5AW · pith_short_16: XZRWMWBJP5AWMFXY · pith_short_8: XZRWMWBJ

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/XZRWMWBJP5AWMFXYXJF4JKC4HQ \
  | 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: be636658297f416616f8ba4bc4a85c3c08c8697252ba86088be5c67bd74302e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d60a360a1157b3668cdbd5d883ca26c1ef01871b6c60d30432aec795af86fbb6",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-05-22T14:45:26Z",
    "title_canon_sha256": "994d8c8b536e8d3f8ba8903291a0312411437b1f8371ebea1227ca8cf6bf3e5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23686",
    "kind": "arxiv",
    "version": 1
  }
}