Pith Number

pith:KULCKJ65

pith:2006:KULCKJ65R6J3B3HVWU7QTIHDQJ

not attested not anchored not stored refs pending

On the Iron content of NGC 1978 in the LMC: a metal rich, chemically homogeneous cluster

Alessio Mucciarelli, Eugenio Carretta, Francesco R. Ferraro, Livia Origlia

arxiv:astro-ph/0605646 v1 · 2006-05-25 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KULCKJ65R6J3B3HVWU7QTIHDQJ}

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	2026-07-04T16:58:47.805011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55162527dd8f93b0ecf5b53f09a0e3826afe7a0ea3783fa3ae901b400711bb16

Aliases

arxiv: astro-ph/0605646 · arxiv_version: astro-ph/0605646v1 · doi: 10.48550/arxiv.astro-ph/0605646 · pith_short_12: KULCKJ65R6J3 · pith_short_16: KULCKJ65R6J3B3HV · pith_short_8: KULCKJ65

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/KULCKJ65R6J3B3HVWU7QTIHDQJ \
  | 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: 55162527dd8f93b0ecf5b53f09a0e3826afe7a0ea3783fa3ae901b400711bb16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80a584cf3525cdf768b535cdd96d61fefda228d83faa1b51a42dd303f0006b2a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-05-25T13:40:16Z",
    "title_canon_sha256": "710b23697d7ab25aa2d1524a06b31e55b1f66041de9e656299b6970eb2b45348"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0605646",
    "kind": "arxiv",
    "version": 1
  }
}