Pith Number

pith:TUNPT3FH

pith:2025:TUNPT3FHQQDMIZ5QOSKT6FP6GP

not attested not anchored not stored refs pending

The origin of the metallicity difference between star-forming and passive galaxies: Insights from {\nu}2GC semi-analytic model

Masahiro Nagashima, Qiansheng Liu, Taira Oogi, Takashi Okamoto

arxiv:2506.00378 v1 · 2025-05-31 · 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{TUNPT3FHQQDMIZ5QOSKT6FP6GP}

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	2026-07-05T11:13:33.480041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d1af9eca78406c467b074953f15fe33e5ca96926c628467fcf6b57891b4261c

Aliases

arxiv: 2506.00378 · arxiv_version: 2506.00378v1 · doi: 10.48550/arxiv.2506.00378 · pith_short_12: TUNPT3FHQQDM · pith_short_16: TUNPT3FHQQDMIZ5Q · pith_short_8: TUNPT3FH

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/TUNPT3FHQQDMIZ5QOSKT6FP6GP \
  | 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: 9d1af9eca78406c467b074953f15fe33e5ca96926c628467fcf6b57891b4261c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0507b0bf6bbfcd4eeb98de790c39a0414e77022416660445f829933c386e9f8c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-05-31T04:14:05Z",
    "title_canon_sha256": "b5717157e0c02b265e934d49085dd7721277062beb85e886e676197dcd37e06e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.00378",
    "kind": "arxiv",
    "version": 1
  }
}