Pith Number

pith:S2WEX7AU

pith:2010:S2WEX7AU2ZUXWJ2HJKJFD6YRTU

not attested not anchored not stored refs pending

Flux-calibrated stellar population models of Lick absorption-line indices with variable element abundance ratios

Claudia Maraston, Daniel Thomas, Jonas Johansson (ICG Portsmouth)

arxiv:1010.4569 v1 · 2010-10-21 · astro-ph.CO · 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{S2WEX7AU2ZUXWJ2HJKJFD6YRTU}

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	2026-05-18T02:04:59.797962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96ac4bfc14d6697b27474a9251fb119d3c20eb63f6ed56172fa0cbf3415419a6

Aliases

arxiv: 1010.4569 · arxiv_version: 1010.4569v1 · doi: 10.48550/arxiv.1010.4569 · pith_short_12: S2WEX7AU2ZUX · pith_short_16: S2WEX7AU2ZUXWJ2H · pith_short_8: S2WEX7AU

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/S2WEX7AU2ZUXWJ2HJKJFD6YRTU \
  | 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: 96ac4bfc14d6697b27474a9251fb119d3c20eb63f6ed56172fa0cbf3415419a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c6994b613b1e5efd4a5fa3f7c08e7ed5e6a3e6837e34d121ab8bc09cdab9879",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-10-21T20:00:17Z",
    "title_canon_sha256": "73fb3844522742655ad168032861d5c9c8c6378426c7e2d0c679f62cf57d91c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4569",
    "kind": "arxiv",
    "version": 1
  }
}