Pith Number

pith:L6SDUFOE

pith:2011:L6SDUFOEJISOLLXYCUROUR7NDP

not attested not anchored not stored refs pending

Red Giant Branch Bump Brightness and Number Counts in 72 Galactic Globular Clusters Observed with the Hubble Space Telescope

Andrew P. Gould, Andrzej Udalski, David M. Nataf, Marc H. Pinsonneault

arxiv:1109.2118 v3 · 2011-09-09 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L6SDUFOEJISOLLXYCUROUR7NDP}

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	2026-05-18T02:00:36.968298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fa43a15c44a24e5aef81522ea47ed1bf5dfd746c10f2bb566740509bd8b0be4

Aliases

arxiv: 1109.2118 · arxiv_version: 1109.2118v3 · doi: 10.48550/arxiv.1109.2118 · pith_short_12: L6SDUFOEJISO · pith_short_16: L6SDUFOEJISOLLXY · pith_short_8: L6SDUFOE

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/L6SDUFOEJISOLLXYCUROUR7NDP \
  | 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: 5fa43a15c44a24e5aef81522ea47ed1bf5dfd746c10f2bb566740509bd8b0be4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "535df1ee0b3e6cf1595695f02c8468ff820919cf7b39b4de81b35e806dc31452",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-09-09T20:00:07Z",
    "title_canon_sha256": "57fb8d201c8b9e70aaab2af8a08b8251f88cd799ad688342c8e134acae05ead6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2118",
    "kind": "arxiv",
    "version": 3
  }
}