Pith Number

pith:5XPSEVGF

pith:2025:5XPSEVGFRN4ENZEQEYWZNPKWBT

not attested not anchored not stored refs pending

The Cosmic Evolution and Spatial Distribution of Multiphase Gas associated with QSOs

Cheng Jia, Chengyu Ma, Cheqiu Lyu, Enci Wang, Haoran Yu, Huiyuan Wang, Hu Zou, Runyu Zhu, Weiyu Ding, Xu Kong, Yang Gao, Zeyu Chen, Zhicheng He

arxiv:2505.11919 v2 · 2025-05-17 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5XPSEVGFRN4ENZEQEYWZNPKWBT}

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	2026-07-05T11:22:40.253947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eddf2254c58b7846e490262d96bd560cd1c238aa6f146efe31dab6d8c210fa96

Aliases

arxiv: 2505.11919 · arxiv_version: 2505.11919v2 · doi: 10.48550/arxiv.2505.11919 · pith_short_12: 5XPSEVGFRN4E · pith_short_16: 5XPSEVGFRN4ENZEQ · pith_short_8: 5XPSEVGF

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/5XPSEVGFRN4ENZEQEYWZNPKWBT \
  | 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: eddf2254c58b7846e490262d96bd560cd1c238aa6f146efe31dab6d8c210fa96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f893376f903d336c35bf2de150a29a506c4b18ca12d9dd395e903a121236515e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-05-17T09:05:01Z",
    "title_canon_sha256": "da29eec1cc1986b8348b7f606967f17762d59615dc12ef92a410f76e1404d542"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.11919",
    "kind": "arxiv",
    "version": 2
  }
}