Pith Number

pith:YIU4YPEQ

pith:2021:YIU4YPEQIFEPIVN763ST4LYWHZ

not attested not anchored not stored refs pending

Dynamically Tagged Groups of Metal-Poor Stars from the Best \& Brightest Survey

Andrew R. Casey, Derek Shank, Emma Jaques, Guilherme Limberg, Kevin C. Schlaufman, Kohei Hattori, Rafael M. Santucci, Timothy C. Beers, Vinicius M. Placco, Yang Huang, Young Sun Lee, Zhen Yuan

arxiv:2109.08600 v2 · 2021-09-17 · 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{YIU4YPEQIFEPIVN763ST4LYWHZ}

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	2026-07-05T03:56:49.933818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c229cc3c904148f455bff6e53e2f163e4754b17ac944930550e36c15659a82bb

Aliases

arxiv: 2109.08600 · arxiv_version: 2109.08600v2 · doi: 10.48550/arxiv.2109.08600 · pith_short_12: YIU4YPEQIFEP · pith_short_16: YIU4YPEQIFEPIVN7 · pith_short_8: YIU4YPEQ

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/YIU4YPEQIFEPIVN763ST4LYWHZ \
  | 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: c229cc3c904148f455bff6e53e2f163e4754b17ac944930550e36c15659a82bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac95c59d15969596d74731c5aa9a24de29902e97c1907fb71531c3f8ded197ea",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-17T15:26:55Z",
    "title_canon_sha256": "d043d1c2169111e85dff8e1c1e4a8ad0a8ed52007ebcf177e489a52f54b95ba6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.08600",
    "kind": "arxiv",
    "version": 2
  }
}