Pith Number

pith:PHAPBWWC

pith:2009:PHAPBWWCHFXAERRRTHC44CZ2YZ

not attested not anchored not stored refs pending

Structural Parameters of Seven SMC Intermediate-Age and Old Star Clusters

Andrea Kayser, Andreas Koch, Antonella Nota, Daniel Harbeck, Elena Sabbi, Eva K. Grebel, Gary Da Costa, Gisella Clementini, John S. Gallagher III., Katharina Glatt, Marco Sirianni, Monica Tosi

arxiv:0909.1329 v1 · 2009-09-07 · 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{PHAPBWWCHFXAERRRTHC44CZ2YZ}

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	2026-05-18T02:11:58.822690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79c0f0dac2396e02463199c5ce0b3ac64965095acce31517391e7633217d76fa

Aliases

arxiv: 0909.1329 · arxiv_version: 0909.1329v1 · doi: 10.48550/arxiv.0909.1329 · pith_short_12: PHAPBWWCHFXA · pith_short_16: PHAPBWWCHFXAERRR · pith_short_8: PHAPBWWC

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/PHAPBWWCHFXAERRRTHC44CZ2YZ \
  | 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: 79c0f0dac2396e02463199c5ce0b3ac64965095acce31517391e7633217d76fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8e73fb19290e7d66b1eabcc4047df88b741fdc3456af71fbce008555a56d198",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-07T20:05:56Z",
    "title_canon_sha256": "d4b4e47d774f11c828a6cb9e9ab272d3ffdac479f56eb9d4189870f3ea8ecb4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1329",
    "kind": "arxiv",
    "version": 1
  }
}