Pith Number

pith:6LVC6QW7

pith:2021:6LVC6QW7F6Z3CC7CHDD3N7UXFQ

not attested not anchored not stored refs pending

Metal-Poor Stars Observed with the Southern African Large Telescope II. An Extended Sample

\'Eric Depagne, Joseph Zepeda, Kaitlin C. Rasmussen, Timothy C. Beers, Vinicius M. Placco, Yang Huang

arxiv:2109.13761 v2 · 2021-09-28 · 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{6LVC6QW7F6Z3CC7CHDD3N7UXFQ}

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	2026-07-05T04:03:52.617205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2ea2f42df2fb3b10be238c7b6fe972c2fad5934cc98022fce9b38dcdb746e17

Aliases

arxiv: 2109.13761 · arxiv_version: 2109.13761v2 · doi: 10.48550/arxiv.2109.13761 · pith_short_12: 6LVC6QW7F6Z3 · pith_short_16: 6LVC6QW7F6Z3CC7C · pith_short_8: 6LVC6QW7

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/6LVC6QW7F6Z3CC7CHDD3N7UXFQ \
  | 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: f2ea2f42df2fb3b10be238c7b6fe972c2fad5934cc98022fce9b38dcdb746e17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2c522f3186ed51a405c30257a9a913a8d6163cc257f336b515f9aabe67483f6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-09-28T14:32:20Z",
    "title_canon_sha256": "0f85e99d3d3e6a7074fac89ea682f7f2f1670511a1cbba8ef187aaeeaaf252db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.13761",
    "kind": "arxiv",
    "version": 2
  }
}