Pith Number

pith:QNKUUHEW

pith:2023:QNKUUHEWI7DMB52O2NQQL3V7PZ

not attested not anchored not stored refs pending

Observations of R-Process Stars in the Milky Way and Dwarf Galaxies

Alexander P. Ji (University of Chicago), Anna Frebel (MIT)

arxiv:2302.09188 v2 · 2023-02-17 · astro-ph.SR · astro-ph.GA · astro-ph.HE

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QNKUUHEWI7DMB52O2NQQL3V7PZ}

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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.

Cited by

1 paper in Pith

Binary Neutron Star Merger Evolution and r-Process Enrichment in the Milky Way Disk

Receipt and verification

First computed	2026-07-05T05:44:53.276137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83554a1c9647c6c0f74ed36105eebf7e45cc52a2b3cb2a7af09f057106afda84

Aliases

arxiv: 2302.09188 · arxiv_version: 2302.09188v2 · doi: 10.48550/arxiv.2302.09188 · pith_short_12: QNKUUHEWI7DM · pith_short_16: QNKUUHEWI7DMB52O · pith_short_8: QNKUUHEW

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/QNKUUHEWI7DMB52O2NQQL3V7PZ \
  | 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: 83554a1c9647c6c0f74ed36105eebf7e45cc52a2b3cb2a7af09f057106afda84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0411ecc4abd19c54b71cde62b568f444150c3330b56e3a8cbaf24957e6e0842d",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-02-17T23:41:22Z",
    "title_canon_sha256": "ed1be677cf150870cc03b7d960fef8fc54fca7e8c3484e617f2dd8b1e68ad303"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.09188",
    "kind": "arxiv",
    "version": 2
  }
}