Pith Number

pith:N6MHTS7A

pith:2018:N6MHTS7ADFQ4XIWSUIHW3ZKPRK

not attested not anchored not stored refs pending

r-process enrichment of ultra-faint dwarf galaxies by fast merging double neutron stars

Enrico Ramirez-Ruiz, Evan Scannapieco, Jeff. J. Andrews, Mohammadtaher Safarzadeh, Phillip Macias, Tassos Fragos

arxiv:1810.04176 v2 · 2018-10-09 · astro-ph.HE · 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{N6MHTS7ADFQ4XIWSUIHW3ZKPRK}

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	2026-05-17T23:52:40.601801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f9879cbe01961cba2d2a20f6de54f8a9d3d03f901dc6afd1e9f84d16925ab74

Aliases

arxiv: 1810.04176 · arxiv_version: 1810.04176v2 · doi: 10.48550/arxiv.1810.04176 · pith_short_12: N6MHTS7ADFQ4 · pith_short_16: N6MHTS7ADFQ4XIWS · pith_short_8: N6MHTS7A

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/N6MHTS7ADFQ4XIWSUIHW3ZKPRK \
  | 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: 6f9879cbe01961cba2d2a20f6de54f8a9d3d03f901dc6afd1e9f84d16925ab74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a64a844708de3590d6224a31edd5cf257b39a0807dfa5db3bb7dbcac5dc52269",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-10-09T18:00:01Z",
    "title_canon_sha256": "8c3fcf08e60c6ae9ced77a9663e3b4425a077f3668bb9c3c146f6fc59d0edc83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04176",
    "kind": "arxiv",
    "version": 2
  }
}