Pith Number

pith:QEROPFSH

pith:2004:QEROPFSH4MTQLRIJH3RNQMBQWZ

not attested not anchored not stored refs pending

A Robust Method for the Analysis of Integrated Spectra from Globular Clusters using Lick Indices

Duncan A. Forbes & Michael A. Beasley, Robert N. Proctor

arxiv:astro-ph/0409526 v1 · 2004-09-22 · 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{QEROPFSH4MTQLRIJH3RNQMBQWZ}

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	2026-07-04T16:44:44.238917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8122e79647e32705c5093ee2d83030b64078b829369a96eb0c4c795849ff3072

Aliases

arxiv: astro-ph/0409526 · arxiv_version: astro-ph/0409526v1 · doi: 10.48550/arxiv.astro-ph/0409526 · pith_short_12: QEROPFSH4MTQ · pith_short_16: QEROPFSH4MTQLRIJ · pith_short_8: QEROPFSH

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/QEROPFSH4MTQLRIJH3RNQMBQWZ \
  | 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: 8122e79647e32705c5093ee2d83030b64078b829369a96eb0c4c795849ff3072

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb4477c60fa678fd7dfa375efc1a901ec349c2f09bddc30c4baca149f8e382b6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-22T04:39:10Z",
    "title_canon_sha256": "22728710b4f3bed09fbb442778cfb3468c7c2f965a60164714c2fa77e2d47ae6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409526",
    "kind": "arxiv",
    "version": 1
  }
}