Pith Number

pith:UQ24HHAJ

pith:2013:UQ24HHAJERT3T3AY7ASO6F63IQ

not attested not anchored not stored refs pending

Modelling the chemical evolution of the Galaxy halo

D. Romano, F. Matteucci, G. Brusadin

arxiv:1304.4385 v1 · 2013-04-16 · 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{UQ24HHAJERT3T3AY7ASO6F63IQ}

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	2026-05-18T01:50:32.315981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a435c39c092467b9ec18f824ef17db441807ccc491c73e10316604268503c7da

Aliases

arxiv: 1304.4385 · arxiv_version: 1304.4385v1 · doi: 10.48550/arxiv.1304.4385 · pith_short_12: UQ24HHAJERT3 · pith_short_16: UQ24HHAJERT3T3AY · pith_short_8: UQ24HHAJ

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/UQ24HHAJERT3T3AY7ASO6F63IQ \
  | 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: a435c39c092467b9ec18f824ef17db441807ccc491c73e10316604268503c7da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "944fcbd93e4eddbf5c2db4da6bd43c36b71585b8a1171ea17ab156d863204c2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-16T10:10:03Z",
    "title_canon_sha256": "395f2ece5ee313c1aa60596ad89e6cead90fccf603f5f38318276e90eabc8785"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4385",
    "kind": "arxiv",
    "version": 1
  }
}