Pith Number

pith:LXJ4E3FY

pith:2025:LXJ4E3FYBWAQ5NFF2XRLCKC6V2

not attested not anchored not stored refs pending

Nebular spectra of kilonovae with detailed recombination rates -- I. Light r-process composition

Anders Jerkstrand, Jon Grumer, Niamh Ferguson, Nigel Badnell, Quentin Pognan, Smaranika Banerjee

arxiv:2501.18345 v3 · 2025-01-30 · astro-ph.HE · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LXJ4E3FYBWAQ5NFF2XRLCKC6V2}

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.

Cited by

2 papers in Pith

Beta-Particle Transport and Thermalization in Kilonova Ejecta with Detailed Atomic Microphysics

An Exploration of Recombination of Uranium with application to Kilonovae Spectra

Receipt and verification

First computed	2026-07-05T11:45:55.686124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dd3c26cb80d810eb4a5d5e2b1285eaeb4425ba3075673b9be879103e6cbcd4c

Aliases

arxiv: 2501.18345 · arxiv_version: 2501.18345v3 · doi: 10.48550/arxiv.2501.18345 · pith_short_12: LXJ4E3FYBWAQ · pith_short_16: LXJ4E3FYBWAQ5NFF · pith_short_8: LXJ4E3FY

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/LXJ4E3FYBWAQ5NFF2XRLCKC6V2 \
  | 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: 5dd3c26cb80d810eb4a5d5e2b1285eaeb4425ba3075673b9be879103e6cbcd4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eb819ff8e0c2b7ab742baf04126c40d386aaa6316a8ba0981d42f701820040c",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-01-30T13:48:48Z",
    "title_canon_sha256": "834306afdead66be78f85aadaacf5780b9dcc390a9b66e8dc4f6de861373eec7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.18345",
    "kind": "arxiv",
    "version": 3
  }
}