Pith Number

pith:3KWCXPZB

pith:2026:3KWCXPZBBX3AEH75EDIJX3LBHQ

not attested not anchored not stored refs pending

Sr and Ba yields of the First Generation(s) of stars: Constraints from metal-poor stars

Alexander Yelland, Anna Frebel, Felicia Xiao, Jorian Benke, Kali Kraus, Mohammad Mardini, Reidyn Wingate, Sarah Hughes, Xiaowei Ou

arxiv:2608.17001 v1 · 2026-08-17 · astro-ph.SR · 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{3KWCXPZBBX3AEH75EDIJX3LBHQ}

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	2026-08-19T00:27:19.759848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

daac2bbf210df6021ffd20d09bed613c0d78d7f8aead09bb9cf275c140663207

Aliases

arxiv: 2608.17001 · arxiv_version: 2608.17001v1 · doi: 10.48550/arxiv.2608.17001 · pith_short_12: 3KWCXPZBBX3A · pith_short_16: 3KWCXPZBBX3AEH75 · pith_short_8: 3KWCXPZB

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/3KWCXPZBBX3AEH75EDIJX3LBHQ \
  | 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: daac2bbf210df6021ffd20d09bed613c0d78d7f8aead09bb9cf275c140663207

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "237eac1a7bfeae1f452b3e4dadfeeac1498b0fb79a4921f87dfe7206810647d9",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-08-17T18:01:04Z",
    "title_canon_sha256": "f5d4a1036fc7994cc34c060380f4672bd27be45ed3dcdfd618cc3902ca2c8aad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.17001",
    "kind": "arxiv",
    "version": 1
  }
}