Pith Number

pith:ZTW3QYAW

pith:2011:ZTW3QYAWEDMEAPSXMYBK3RVSI2

not attested not anchored not stored refs pending

The Chemical Evolution of Globular Clusters - II. Metals and Fluorine

Amanda I. Karakas (ANU), Andrea Marcolini (JHI), Brad K. Gibson (JHI), Francesco Calura (JHI), Kate Pilkington (JHI), Patricia Sanchez-Blazquez (UAM)

arxiv:1109.1938 v1 · 2011-09-09 · 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{ZTW3QYAWEDMEAPSXMYBK3RVSI2}

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	2026-05-18T02:00:37.393466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccedb8601620d8403e576602adc6b246b4c2312a941058e2a05b6cf34db77981

Aliases

arxiv: 1109.1938 · arxiv_version: 1109.1938v1 · doi: 10.48550/arxiv.1109.1938 · pith_short_12: ZTW3QYAWEDME · pith_short_16: ZTW3QYAWEDMEAPSX · pith_short_8: ZTW3QYAW

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/ZTW3QYAWEDMEAPSXMYBK3RVSI2 \
  | 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: ccedb8601620d8403e576602adc6b246b4c2312a941058e2a05b6cf34db77981

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cc33f31c5c1cba88926e2923ca8b27ec781cdf0f92a22a4f3d9ef13135b2315",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-09-09T08:32:55Z",
    "title_canon_sha256": "4485c526a1e2c6857de659d4fd7fa1e63bfb95ee3c1da34455446afd00ab98d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1938",
    "kind": "arxiv",
    "version": 1
  }
}