Pith Number

pith:BKYPY2KM

pith:2021:BKYPY2KMN422AKGE32ZALSJ74S

not attested not anchored not stored refs pending

Targeting Bright Metal-poor Stars in the Disk and Halo Systems of the Galaxy

Andrew R. Casey, Derek Shank, Guilherme Limberg, H\'elio D. Perottoni, Kevin C. Schlaufman, Rafael M. Santucci, Silvia Rossi, Timothy C. Beers, Vinicius M. Placco, Young Sun Lee

arxiv:2103.07621 v3 · 2021-03-13 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKYPY2KMN422AKGE32ZALSJ74S}

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	2026-07-05T02:41:31.930187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ab0fc694c6f35a028c4deb205c93fe48eb1f2ce7c7aada77642e0f176c27dd0

Aliases

arxiv: 2103.07621 · arxiv_version: 2103.07621v3 · doi: 10.48550/arxiv.2103.07621 · pith_short_12: BKYPY2KMN422 · pith_short_16: BKYPY2KMN422AKGE · pith_short_8: BKYPY2KM

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/BKYPY2KMN422AKGE32ZALSJ74S \
  | 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: 0ab0fc694c6f35a028c4deb205c93fe48eb1f2ce7c7aada77642e0f176c27dd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af8dc0a13b163addd221a551d6f8fa78523ee88240ca8e07efacf6d260388f75",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-03-13T05:37:17Z",
    "title_canon_sha256": "d13b9b937141463a920c84febecf18f842e37e81488b04fc46af613fb6eb0602"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.07621",
    "kind": "arxiv",
    "version": 3
  }
}