Pith Number

pith:ZMCUEJZL

pith:2025:ZMCUEJZLOT55GI5WRDGE6IV4NM

not attested not anchored not stored refs pending

ChemZz I: Comparing Oxygen and Iron Abundance Patterns in the Milky Way, the Local Group and Cosmic Noon

Allison L. Strom, Chiaki Kobayashi, Fergus Cullen, Jason L. Sanders, Mark Gieles, Martyna Chru\'sli\'nska, Souradeep Bhattacharya, Stephanie Monty, Thomas M. Stanton, Tjitske Starkenburg

arxiv:2507.14094 v2 · 2025-07-18 · 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{ZMCUEJZLOT55GI5WRDGE6IV4NM}

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	2026-07-05T11:44:09.215955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb0542272b74fbd323b688cc4f22bc6b373086cf4a78d2e206c68644a5a53bbd

Aliases

arxiv: 2507.14094 · arxiv_version: 2507.14094v2 · doi: 10.48550/arxiv.2507.14094 · pith_short_12: ZMCUEJZLOT55 · pith_short_16: ZMCUEJZLOT55GI5W · pith_short_8: ZMCUEJZL

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/ZMCUEJZLOT55GI5WRDGE6IV4NM \
  | 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: cb0542272b74fbd323b688cc4f22bc6b373086cf4a78d2e206c68644a5a53bbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e39950085f9b057339cb879df1958db91463f0d1a13654733a94aff4f9a0f45",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-18T17:22:32Z",
    "title_canon_sha256": "e59c723e4f2ffa552f8ea89201a24e18a64d9487ef07c5cf4294128e9379c90f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.14094",
    "kind": "arxiv",
    "version": 2
  }
}