Pith Number

pith:NOKPGH2G

pith:2022:NOKPGH2GAFECJHUZQCIDCOECUL

not attested not anchored not stored refs pending

Spectroscopic follow-up of statistically selected extremely metal-poor star candidates from GALAH DR3

A. D. Mackey, Arvind C. N. Hughes, D. B. Zucker, G. S. Da Costa, Lee R. Spitler, M. S. Bessell, Sven Buder, Thomas Nordlander

arxiv:2210.05161 v2 · 2022-10-11 · 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{NOKPGH2GAFECJHUZQCIDCOECUL}

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	2026-07-05T05:35:25.223689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b94f31f460148249e998090313882a2cd375705f946ca85a4354c019edd4b67

Aliases

arxiv: 2210.05161 · arxiv_version: 2210.05161v2 · doi: 10.48550/arxiv.2210.05161 · pith_short_12: NOKPGH2GAFEC · pith_short_16: NOKPGH2GAFECJHUZ · pith_short_8: NOKPGH2G

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/NOKPGH2GAFECJHUZQCIDCOECUL \
  | 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: 6b94f31f460148249e998090313882a2cd375705f946ca85a4354c019edd4b67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "688e56996073e3aae2614d037035423332a8af822e0b3937eae1315f1f32d6a5",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-10-11T05:43:44Z",
    "title_canon_sha256": "998871711a2edeb4f7bc56f1b2118c6f2ada55d34c283642f6e5fd0a8df36ae3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.05161",
    "kind": "arxiv",
    "version": 2
  }
}