Pith Number

pith:BGW43IDB

pith:2023:BGW43IDB2CBPGMLEPYLEYIENRZ

not attested not anchored not stored refs pending

On the likelihoods of finding very metal-poor (and old) stars in the Milky Way's disc, bulge, and halo

Annalisa Pillepich, Diego Sotillo-Ramos, Jennifer K.S. Friske, Maria Bergemann

arxiv:2307.14421 v1 · 2023-07-26 · 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{BGW43IDB2CBPGMLEPYLEYIENRZ}

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	2026-07-05T06:36:44.948997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09adcda061d082f331647e164c208d8e5f8633947aa2a26d293ecb29e386c7db

Aliases

arxiv: 2307.14421 · arxiv_version: 2307.14421v1 · doi: 10.48550/arxiv.2307.14421 · pith_short_12: BGW43IDB2CBP · pith_short_16: BGW43IDB2CBPGMLE · pith_short_8: BGW43IDB

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/BGW43IDB2CBPGMLEPYLEYIENRZ \
  | 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: 09adcda061d082f331647e164c208d8e5f8633947aa2a26d293ecb29e386c7db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe2ebd3d41a06ba0bcbdcc61163b9270d27a5e941a9325466e62b03cbfee22e9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-07-26T18:00:02Z",
    "title_canon_sha256": "5c90312b2eebb8588130c812801a76b2bb1a10eceb52cd0f83e41f23437b2fc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.14421",
    "kind": "arxiv",
    "version": 1
  }
}