Pith Number

pith:UYUGRFTD

pith:2015:UYUGRFTDYN4E6RT4DSH44YWQ4E

not attested not anchored not stored refs pending

GeMS MCAO observations of the Galactic globular cluster NGC 2808: the absolute age

A. McConnachie, Davide Massari, E. Tolstoy, G. Bono, G. Fiorentino, G. Iannicola, I. Ferraro, M. Dall'Ora, P.B. Stetson, P. Turri

arxiv:1512.03194 v1 · 2015-12-10 · 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{UYUGRFTDYN4E6RT4DSH44YWQ4E}

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	2026-05-18T01:21:51.005476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a628689663c3784f467c1c8fce62d0e100a9de18df917e748455616dfcc981e6

Aliases

arxiv: 1512.03194 · arxiv_version: 1512.03194v1 · doi: 10.48550/arxiv.1512.03194 · pith_short_12: UYUGRFTDYN4E · pith_short_16: UYUGRFTDYN4E6RT4 · pith_short_8: UYUGRFTD

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/UYUGRFTDYN4E6RT4DSH44YWQ4E \
  | 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: a628689663c3784f467c1c8fce62d0e100a9de18df917e748455616dfcc981e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a1bb776d0be9ef5b4dc8806fd597ab42c8e87ad3109a31e313b2692d91058b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-10T10:05:58Z",
    "title_canon_sha256": "8c5d1ef2cb21f24c352d755594bb8fe7fb35aae60ef080a571e087205ad4332f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03194",
    "kind": "arxiv",
    "version": 1
  }
}