Pith Number

pith:MCGM7SJ2

pith:2023:MCGM7SJ2FCZ25RQQ7A5HSVAJVI

not attested not anchored not stored refs pending

Understanding the chemical evolution of blue Edge-on Low Surface Brightness Galaxies

Cheng cheng, Gaspar Galaz, Hong Wu, Jun-Feng Wang, Tian-Wen Cao, Venu M. Kalari, Zi-Jian Li

arxiv:2303.16446 v1 · 2023-03-29 · 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{MCGM7SJ2FCZ25RQQ7A5HSVAJVI}

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	2026-07-05T06:09:49.957858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

608ccfc93a28b3aec610f83a795409aa0f63b046c880becb8a64a73d8b6da776

Aliases

arxiv: 2303.16446 · arxiv_version: 2303.16446v1 · doi: 10.48550/arxiv.2303.16446 · pith_short_12: MCGM7SJ2FCZ2 · pith_short_16: MCGM7SJ2FCZ25RQQ · pith_short_8: MCGM7SJ2

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/MCGM7SJ2FCZ25RQQ7A5HSVAJVI \
  | 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: 608ccfc93a28b3aec610f83a795409aa0f63b046c880becb8a64a73d8b6da776

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c7fac06b73ddfd25169c4ae7aa3e40ddd3fe2623be70566f78e4c6ee607bd38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-03-29T04:06:31Z",
    "title_canon_sha256": "63dfe856c7765d6da83247eeadcdabec0e8a10460946a6e10881e76393af47d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.16446",
    "kind": "arxiv",
    "version": 1
  }
}