Pith Number

pith:DF4QXP4V

pith:2023:DF4QXP4VNNU3PGQATBMGWAX55S

not attested not anchored not stored refs pending

The SkyMapper search for extremely metal-poor stars in the Large Magellanic Cloud

A. D. Mackey, G. S. Da Costa, M. S. Bessell, T. Nordlander, W. S. Oh

arxiv:2306.15492 v1 · 2023-06-27 · 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{DF4QXP4VNNU3PGQATBMGWAX55S}

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	2026-07-05T06:29:53.244074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19790bbf956b69b79a0098586b02fdeca13b9a9786e70188c4ec55252afc9d99

Aliases

arxiv: 2306.15492 · arxiv_version: 2306.15492v1 · doi: 10.48550/arxiv.2306.15492 · pith_short_12: DF4QXP4VNNU3 · pith_short_16: DF4QXP4VNNU3PGQA · pith_short_8: DF4QXP4V

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/DF4QXP4VNNU3PGQATBMGWAX55S \
  | 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: 19790bbf956b69b79a0098586b02fdeca13b9a9786e70188c4ec55252afc9d99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a568be61eb7ee873efefd050fe9266db8a475e7cb9c49e9ba4b55026c3745026",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-06-27T14:14:17Z",
    "title_canon_sha256": "28901717eef83e441e775f320caee9f33b779f40c6dacacf512397cfae26a973"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.15492",
    "kind": "arxiv",
    "version": 1
  }
}