Pith Number

pith:QTMRKGFE

pith:2019:QTMRKGFET3DI3ZKCZ7HZRTDNMI

not attested not anchored not stored refs pending

Do Galaxy Morphologies Really Affect the Efficiency of Star Formation during the Phase of Galaxy Transition?

Hideo Matsuhara, Ichi Tanaka, Kana Morokuma-Matsui, Lihwai Lin, Masao Hayashi, Nao Fukagawa, Rhythm Shimakawa, Shigeru V. Namiki, Shuhei Koyama, Tadayuki Kodama, Takao Nakagawa, Takuji Yamashita, Tomoko L. Suzuki, Yusei Koyama

arxiv:1903.03505 v1 · 2019-03-08 · 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{QTMRKGFET3DI3ZKCZ7HZRTDNMI}

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	2026-05-17T23:49:01.611379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84d91518a49ec68de542cfcf98cc6d622a9aec5812d5bfd350d212472b0d539e

Aliases

arxiv: 1903.03505 · arxiv_version: 1903.03505v1 · doi: 10.48550/arxiv.1903.03505 · pith_short_12: QTMRKGFET3DI · pith_short_16: QTMRKGFET3DI3ZKC · pith_short_8: QTMRKGFE

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/QTMRKGFET3DI3ZKCZ7HZRTDNMI \
  | 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: 84d91518a49ec68de542cfcf98cc6d622a9aec5812d5bfd350d212472b0d539e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c642e491d2a8f00533fb6f05c8e91eb937e45fd7af18ced378d9ac3f69d5f721",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-08T15:32:19Z",
    "title_canon_sha256": "d7f8a84ce8853d5f8f6b7ab2b8c79d7e006b6e0c55a7101d3286b34c7c6d8fd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03505",
    "kind": "arxiv",
    "version": 1
  }
}