Pith Number

pith:O2ITLZ5Z

pith:2023:O2ITLZ5Z5ZYITO7MBAELEXHTMD

not attested not anchored not stored refs pending

Chemical diversity of gas in distant galaxies: The metal and dust enrichment and variations within absorbing galaxies

A. De Cia, C. Konstantopoulou, C. Ledoux, C. P\'eroux, I. Jermann, J. Fynbo, J.-K. Krogager, M. Dessauges-Zavadsky, M. Wendt, N. F. Bouch\'e, P. Petitjean, T. Ramburuth-Hurt

arxiv:2302.00131 v1 · 2023-01-31 · 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{O2ITLZ5Z5ZYITO7MBAELEXHTMD}

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	2026-07-05T05:55:49.137964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

769135e7b9ee7089bbec0808b25cf360fb3dfcf450d27bcd26be3e7225566866

Aliases

arxiv: 2302.00131 · arxiv_version: 2302.00131v1 · doi: 10.48550/arxiv.2302.00131 · pith_short_12: O2ITLZ5Z5ZYI · pith_short_16: O2ITLZ5Z5ZYITO7M · pith_short_8: O2ITLZ5Z

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/O2ITLZ5Z5ZYITO7MBAELEXHTMD \
  | 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: 769135e7b9ee7089bbec0808b25cf360fb3dfcf450d27bcd26be3e7225566866

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73569f0c513686b46ecdc4f1d5e787c7756ff12c2d093c94d8f0e47bfc4f3cde",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-01-31T22:39:31Z",
    "title_canon_sha256": "a116293e7d13eb39ef8de2f0eff287a836769957323ce92fae10ccfa4f182e9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.00131",
    "kind": "arxiv",
    "version": 1
  }
}