Pith Number

pith:XASFU3W4

pith:2024:XASFU3W4EOSU6AMKWCFLCZZZIM

not attested not anchored not stored refs pending

The HI reservoir in central spiral galaxies and the implied star formation process

Alvio Renzini, Chengpeng Zhang, Cheqiu Lyu, Di Li, Dingyi Zhao, Emanuele Daddi, Feng Yuan, Filippo Mannucci, Jiaxuan Li, Jing Dou, Luis C. Ho, Qiusheng Gu, Roberto Maiolino, Tao Wang, Yingjie Peng, Yong Shi, Yulong Gao

arxiv:2409.03168 v1 · 2024-09-05 · 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{XASFU3W4EOSU6AMKWCFLCZZZIM}

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	2026-07-05T09:03:27.036957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8245a6edc23a54f018ab08ab167394309a264e7e53db66e8aaca28d8b1a30b4

Aliases

arxiv: 2409.03168 · arxiv_version: 2409.03168v1 · doi: 10.48550/arxiv.2409.03168 · pith_short_12: XASFU3W4EOSU · pith_short_16: XASFU3W4EOSU6AMK · pith_short_8: XASFU3W4

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/XASFU3W4EOSU6AMKWCFLCZZZIM \
  | 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: b8245a6edc23a54f018ab08ab167394309a264e7e53db66e8aaca28d8b1a30b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e56850bc90e13b4ddd355d943cb464a51d5ddd1184ce00c9f09fb52d75aeed8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-09-05T01:55:29Z",
    "title_canon_sha256": "e91710581a0ad9c99a981af70f937075fe165cf7cf8a42f27857f4b8ab6bfb26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.03168",
    "kind": "arxiv",
    "version": 1
  }
}