Pith Number

pith:J46QQLH4

pith:2025:J46QQLH4SWFMITQWMACHEUHBZN

not attested not anchored not stored refs pending

Leonessa: An Extremely Metal-poor Galaxy Undergoing Secular Chemical Evolution

Alexander Menchaca, Andrew Dolphin, Danielle A. Berg, Gregory R. Zeimann, Joseph A. Breneman, Kristen B. W. McQuinn, Max J. B. Newman, O. Grace Telford

arxiv:2508.09248 v1 · 2025-08-12 · 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{J46QQLH4SWFMITQWMACHEUHBZN}

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	2026-07-05T11:53:11.128672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f3d082cfc958ac44e1660047250e1cb58a46e88dc0411a3bf842a6e84365497

Aliases

arxiv: 2508.09248 · arxiv_version: 2508.09248v1 · doi: 10.48550/arxiv.2508.09248 · pith_short_12: J46QQLH4SWFM · pith_short_16: J46QQLH4SWFMITQW · pith_short_8: J46QQLH4

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/J46QQLH4SWFMITQWMACHEUHBZN \
  | 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: 4f3d082cfc958ac44e1660047250e1cb58a46e88dc0411a3bf842a6e84365497

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fdbf1743e818aa98371bb513db7f26dfc2e3292d5d628bb5ba48089008bc69f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-08-12T18:00:01Z",
    "title_canon_sha256": "c12d5b84f2a6b2802b891b64d3a7d8fdae45b8809eee0e326b42b6b457f5572f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.09248",
    "kind": "arxiv",
    "version": 1
  }
}