Pith Number

pith:C5KVISDV

pith:2022:C5KVISDV5T63DSH2ZXPL542NPM

not attested not anchored not stored refs pending

Understanding the early stages of galaxy formation using very metal-poor stars from the Hamburg/ESO survey

Daniela Carollo, Emanuel Sillero, Norbert Christlieb, Patricia B. Tissera

arxiv:2212.08294 v2 · 2022-12-16 · 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{C5KVISDV5T63DSH2ZXPL542NPM}

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	2026-07-05T05:59:42.780968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1755544875ecfdb1c8facddebef34d7b0e22d9b5ab4612600df4456508e59543

Aliases

arxiv: 2212.08294 · arxiv_version: 2212.08294v2 · doi: 10.48550/arxiv.2212.08294 · pith_short_12: C5KVISDV5T63 · pith_short_16: C5KVISDV5T63DSH2 · pith_short_8: C5KVISDV

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/C5KVISDV5T63DSH2ZXPL542NPM \
  | 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: 1755544875ecfdb1c8facddebef34d7b0e22d9b5ab4612600df4456508e59543

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77e402beed2382d4895b6dfbdfad615a36849ce2117cb40e3ee31960452c4998",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-12-16T06:19:29Z",
    "title_canon_sha256": "87c5db6abc26f66a39560774759ad5f2a6fb8719dd0f939ad2d5d4d8c3a72330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.08294",
    "kind": "arxiv",
    "version": 2
  }
}