Pith Number

pith:RRCZLISX

pith:2024:RRCZLISX4A6F22WRWF5SSVEEUL

not attested not anchored not stored refs pending

The oldest stars with low neutron-capture element abundances and origins in ancient dwarf galaxies

Ananda Santos Figueiredo, Anna Frebel, Casey Gordon Fienberg, Hillary Diane Andales, Mohammad K. Mardini

arxiv:2405.07856 v1 · 2024-05-13 · 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{RRCZLISX4A6F22WRWF5SSVEEUL}

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	2026-07-05T08:18:35.694321Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c4595a257e03c5d6ad1b17b295484a2f115c06805171e977918b68725d40294

Aliases

arxiv: 2405.07856 · arxiv_version: 2405.07856v1 · doi: 10.48550/arxiv.2405.07856 · pith_short_12: RRCZLISX4A6F · pith_short_16: RRCZLISX4A6F22WR · pith_short_8: RRCZLISX

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/RRCZLISX4A6F22WRWF5SSVEEUL \
  | 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: 8c4595a257e03c5d6ad1b17b295484a2f115c06805171e977918b68725d40294

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e613dfa4c3c532b29cccba58b5503327572e15b13fc26278a3dd2457a21e8161",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-05-13T15:42:17Z",
    "title_canon_sha256": "a99d57f42d7f12b3ea32ba4e12d10b3a543a508e3d563399f442d93b82a69e56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.07856",
    "kind": "arxiv",
    "version": 1
  }
}