Pith Number

pith:ONRTO3E7

pith:2018:ONRTO3E7NQAMWDIDU2IBJTW3ZA

not attested not anchored not stored refs pending

Metallicity estimates of young clusters in the Magellanic Clouds from Stromgren photometry of supergiant stars

A.E. Piatti, D. Graczyk, G. Pietrzy\'nski, M. G\'orski, W. Narloch

arxiv:1812.07911 v1 · 2018-12-19 · 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{ONRTO3E7NQAMWDIDU2IBJTW3ZA}

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	2026-05-17T23:56:44.492360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7363376c9f6c00cb0d03a69014cedbc82684667e5c77706345a48ccd12cd1bb5

Aliases

arxiv: 1812.07911 · arxiv_version: 1812.07911v1 · doi: 10.48550/arxiv.1812.07911 · pith_short_12: ONRTO3E7NQAM · pith_short_16: ONRTO3E7NQAMWDID · pith_short_8: ONRTO3E7

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/ONRTO3E7NQAMWDIDU2IBJTW3ZA \
  | 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: 7363376c9f6c00cb0d03a69014cedbc82684667e5c77706345a48ccd12cd1bb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6fa3d4e6f5dd5950268942931c29b5153dc7356c1de780fc2b13cdee8669ef0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-19T12:30:44Z",
    "title_canon_sha256": "a2914f1f6701131ee9ddfab50d62d2f0928d2d76dd510b6a79995a81ab1d12ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07911",
    "kind": "arxiv",
    "version": 1
  }
}