Pith Number

pith:OZBHKCIZ

pith:2023:OZBHKCIZUJODNJFR4LZHHBCRYD

not attested not anchored not stored refs pending

The impact of early massive mergers on the chemical evolution of Milky Way-like galaxies: insights from NIHAO-UHD simulations

Andrea V. Macci\`o, Aura Obreja, Bridget Ratcliffe, Ivan Minchev, Tobias Buck, Yuxi (Lucy) Lu

arxiv:2305.13759 v2 · 2023-05-23 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OZBHKCIZUJODNJFR4LZHHBCRYD}

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	2026-07-05T06:15:32.360889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7642750919a25c36a4b1e2f2738451c0c5e19cb7d8bf71e4342fdb2ddc5a726a

Aliases

arxiv: 2305.13759 · arxiv_version: 2305.13759v2 · doi: 10.48550/arxiv.2305.13759 · pith_short_12: OZBHKCIZUJOD · pith_short_16: OZBHKCIZUJODNJFR · pith_short_8: OZBHKCIZ

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/OZBHKCIZUJODNJFR4LZHHBCRYD \
  | 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: 7642750919a25c36a4b1e2f2738451c0c5e19cb7d8bf71e4342fdb2ddc5a726a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34b859eae298d1e4817bdd8942fe83022c278c6205790d0bfb3edcc8ae830103",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-05-23T07:22:48Z",
    "title_canon_sha256": "dc597cb84e1a311859d35337f4c540e9ef9b84f6a251d0685b89673383a5b7f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.13759",
    "kind": "arxiv",
    "version": 2
  }
}