Pith Number

pith:VRFOSDVM

pith:2025:VRFOSDVMP42BE4SO5E7JGHOR5S

not attested not anchored not stored refs pending

A negative stellar mass$-$gaseous metallicity gradient relation of dwarf galaxies modulated by stellar feedback

Enci Wang, Fuyan Bian, Guangwen Chen, Hong-Xin Zhang, J. Evelyn Johnston, Junfeng Wang, Qiusheng Gu, Shude Mao, Tie Li, Wenhe Lyu, Xiaoling Yu, Xin Li, Xin Wang, Xu Kong, Yao Yao, Yimeng Tang, Yong Shi, Yu Rong, Zhiyuan Zheng

arxiv:2504.17541 v1 · 2025-04-24 · astro-ph.GA · astro-ph.CO · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VRFOSDVMP42BE4SO5E7JGHOR5S}

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	2026-07-05T11:23:09.894230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac4ae90eac7f3412724ee93e931dd1ecabdf62902d9a2a990e19b5fc7dfe5bc3

Aliases

arxiv: 2504.17541 · arxiv_version: 2504.17541v1 · doi: 10.48550/arxiv.2504.17541 · pith_short_12: VRFOSDVMP42B · pith_short_16: VRFOSDVMP42BE4SO · pith_short_8: VRFOSDVM

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/VRFOSDVMP42BE4SO5E7JGHOR5S \
  | 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: ac4ae90eac7f3412724ee93e931dd1ecabdf62902d9a2a990e19b5fc7dfe5bc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59a9b21d89db39cf8613b3e9ceaf389b1779894754e8e017e484eb6657aa9c82",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-04-24T13:32:18Z",
    "title_canon_sha256": "245be200e3cb6a223569076460e0149f2f738985bfa721a24d40b1c509c0b501"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17541",
    "kind": "arxiv",
    "version": 1
  }
}