Pith Number

pith:KUWX2NTE

pith:2012:KUWX2NTEHCEWT7JTKX442MAAOB

not attested not anchored not stored refs pending

Searching for multiple stellar populations in the massive, old open cluster Berkeley 39

2-INAF OA Padova, 3- Macquarie Univ., 4), 4-Monash Univ., 5-Univ. of Texas Austin), A. Bragaglia (1), C. Sneden (5), E. Carretta (1), R.G. Gratton (2), S. Lucatello (2) (1-INAF OA Bologna, V. D'Orazi (3

arxiv:1211.1142 v1 · 2012-11-06 · 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{KUWX2NTEHCEWT7JTKX442MAAOB}

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	2026-05-18T01:53:25.218613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

552d7d3664388969fd3355f9cd30007072ec329d18793f0c30cb39b0d98b01b3

Aliases

arxiv: 1211.1142 · arxiv_version: 1211.1142v1 · doi: 10.48550/arxiv.1211.1142 · pith_short_12: KUWX2NTEHCEW · pith_short_16: KUWX2NTEHCEWT7JT · pith_short_8: KUWX2NTE

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/KUWX2NTEHCEWT7JTKX442MAAOB \
  | 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: 552d7d3664388969fd3355f9cd30007072ec329d18793f0c30cb39b0d98b01b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed164d99bb642489fc6caf7e981d02e72d6da2f51754cb3735df4ddb13e44018",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-11-06T08:42:57Z",
    "title_canon_sha256": "bdded4d897b1c6a3205dd3e0e1f34539eacd13b005524c91e4da2caea4a96e60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1142",
    "kind": "arxiv",
    "version": 1
  }
}