Pith Number

pith:QAHG745H

pith:2020:QAHG745HS6JRA2TARDMMB7MPFV

not attested not anchored not stored refs pending

Dynamically Tagged Groups of Very Metal-poor Halo Stars from the HK and Hamburg/ESO Surveys

Angeles P\'erez-Villegas, Anna Frebel, Guilherme Limberg, H\'elio D. Perottoni, Jaehyon Rhee, John E. Norris, Michael S. Bessell, Norbert Christlieb, Rafael M. Santucci, Ronald Wilhelm, Sean G. Ryan, Silvia Rossi, Timothy C. Beers, Vinicius M. Placco, Young Sun Lee, Yuri Abuchaim

arxiv:2011.08305 v3 · 2020-11-16 · 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{QAHG745HS6JRA2TARDMMB7MPFV}

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	2026-07-05T02:34:43.729641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

800e6ff3a79793106a6088d8c0fd8f2d6d64697c8d66e25618457754d5294998

Aliases

arxiv: 2011.08305 · arxiv_version: 2011.08305v3 · doi: 10.48550/arxiv.2011.08305 · pith_short_12: QAHG745HS6JR · pith_short_16: QAHG745HS6JRA2TA · pith_short_8: QAHG745H

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/QAHG745HS6JRA2TARDMMB7MPFV \
  | 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: 800e6ff3a79793106a6088d8c0fd8f2d6d64697c8d66e25618457754d5294998

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e02a0b843dcdb9fd004a683c27cc9c97f59bc328a49e4b67200c1b4c25d0510b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-11-16T22:05:39Z",
    "title_canon_sha256": "6b39cf025869a0ca525f2c4745419c0d6b123725ad1ccfd4b7e8de403ba0084a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.08305",
    "kind": "arxiv",
    "version": 3
  }
}