Pith Number

pith:RZ2GPDK2

pith:2009:RZ2GPDK2XUBAJWXQ2YCRXEROE5

not attested not anchored not stored refs pending

A lack of close binaries among hot horizontal branch stars in globular clusters - M80 and NGC5986

A. Recio-Blanco, C. Moni Bidin, G. Piotto, S. Moehler, Y. Momany

arxiv:0903.2072 v1 · 2009-03-11 · 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{RZ2GPDK2XUBAJWXQ2YCRXEROE5}

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	2026-05-18T02:14:35.776497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e74678d5abd0204daf0d6051b922e27447710347c1065d6483563c662db03c7

Aliases

arxiv: 0903.2072 · arxiv_version: 0903.2072v1 · doi: 10.48550/arxiv.0903.2072 · pith_short_12: RZ2GPDK2XUBA · pith_short_16: RZ2GPDK2XUBAJWXQ · pith_short_8: RZ2GPDK2

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/RZ2GPDK2XUBAJWXQ2YCRXEROE5 \
  | 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: 8e74678d5abd0204daf0d6051b922e27447710347c1065d6483563c662db03c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2e7cb3c92055ea81c398591602ae7b295c84bcbd79606383710d11928713f63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-03-11T22:22:03Z",
    "title_canon_sha256": "a497a738ee3405f91e3a0d54f20f0db6fa85d160cf5b51ca8d3591006ca6fa7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2072",
    "kind": "arxiv",
    "version": 1
  }
}