Pith Number

pith:OSCRS24T

pith:2026:OSCRS24TPOYLRLRWZ6R3GD4JAV

not attested not anchored not stored refs pending

Reaching the Metallicity Floor at $z\sim 10$: Lensed Star Clusters at Cosmic Dawn and Cosmic Noon

Carmela Lardo, Elena Tomasetti, Licia Verde, Raul Jimenez

arxiv:2607.24952 v1 · 2026-07-27 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OSCRS24TPOYLRLRWZ6R3GD4JAV}

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	2026-07-29T00:24:54.223202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7485196b937bb0b8ae36cfa3b30f89057ef91e70acb98bb4b4902034741269b4

Aliases

arxiv: 2607.24952 · arxiv_version: 2607.24952v1 · doi: 10.48550/arxiv.2607.24952 · pith_short_12: OSCRS24TPOYL · pith_short_16: OSCRS24TPOYLRLRW · pith_short_8: OSCRS24T

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/OSCRS24TPOYLRLRWZ6R3GD4JAV \
  | 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: 7485196b937bb0b8ae36cfa3b30f89057ef91e70acb98bb4b4902034741269b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce6c13c6de53a58c79214ab2b61cc195b3bbd2bcbd325608462f0387d2623581",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-27T18:02:29Z",
    "title_canon_sha256": "78e7630bf44455fe352c76b6c285c7e1e7aa76760b92649c4cda6099976babc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.24952",
    "kind": "arxiv",
    "version": 1
  }
}