Pith Number

pith:IRADROVS

pith:2018:IRADROVSJG6P2TWN2NMVDVQGDE

not attested not anchored not stored refs pending

On the use of the main sequence knee (saddle) to measure globular cluster ages

1), 2), (2) INAF-OAS Bologna, (3) Liverpool John Moores University, (4) INAF - Osservatorio Astronomico di Teramo, (5) Universidad de Concepcion, (6) Space Telescope Science Institute, 7), (7) Center for Astrophysical Science, A. Pietrinferni (4), B. Lanzoni (1), C. Moni Bidin (8) ((1) DIFA-UNIBO, D. Geisler (5), E. Dalessandro (2, F. Mauro (8), F. R. Ferraro (1), John Hopkins University (8) Universidad Catolica del Norte), J. S. Kalirai (6, L. Origlia (2), M. Correnti (6), M. Salaris (3), R. E. Cohen (6), S. Saracino (1, S. Villanova (5)

arxiv:1805.01486 v1 · 2018-05-03 · astro-ph.SR · 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{IRADROVSJG6P2TWN2NMVDVQGDE}

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	2026-05-18T00:12:17.101568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

444038bab249bcfd4ecdd35951d6061928ed7f1bafe64a60af2cce47634b0057

Aliases

arxiv: 1805.01486 · arxiv_version: 1805.01486v1 · doi: 10.48550/arxiv.1805.01486 · pith_short_12: IRADROVSJG6P · pith_short_16: IRADROVSJG6P2TWN · pith_short_8: IRADROVS

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/IRADROVSJG6P2TWN2NMVDVQGDE \
  | 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: 444038bab249bcfd4ecdd35951d6061928ed7f1bafe64a60af2cce47634b0057

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08abe853bb54f3d90f4ce9ce336f0598b4ae7c8683d004777b3220fe3e0ea57a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-03T18:00:53Z",
    "title_canon_sha256": "c533ce8db8809b6403d6b398f32aad75f0c2964086b4045af95c363e4a0551d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01486",
    "kind": "arxiv",
    "version": 1
  }
}