Pith Number

pith:QFUNQVHJ

pith:2020:QFUNQVHJXDY6KXTG3EKR6KD75W

not attested not anchored not stored refs pending

Stellar Population Astrophysics (SPA) with TNG. The old open clusters Collinder 350, Gulliver 51, NGC 7044, and Ruprecht 171

A. Bragaglia, A. Frasca, A. Vallenari, E. Carretta, G. Andreuzzi, G. Casali, G. Catanzaro, L. Magrini, L. Origlia, R. Sordo, V. D'Orazi, X. Fu

arxiv:2009.06695 v1 · 2020-09-14 · 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{QFUNQVHJXDY6KXTG3EKR6KD75W}

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	2026-07-05T01:47:06.361602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8168d854e9b8f1e55e66d9151f287fed89ccc7f6ffbc9cf4aef463a3204bff7e

Aliases

arxiv: 2009.06695 · arxiv_version: 2009.06695v1 · doi: 10.48550/arxiv.2009.06695 · pith_short_12: QFUNQVHJXDY6 · pith_short_16: QFUNQVHJXDY6KXTG · pith_short_8: QFUNQVHJ

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/QFUNQVHJXDY6KXTG3EKR6KD75W \
  | 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: 8168d854e9b8f1e55e66d9151f287fed89ccc7f6ffbc9cf4aef463a3204bff7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "953ff2e2d88d73a3c4bf1b73f7e00807a3985e04e7fef94e6687c6de94b8ff1a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-09-14T19:05:42Z",
    "title_canon_sha256": "09489d1d2084ea14e078eca26a177bd662b789f206c9e6d1c597a6f65dab83fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.06695",
    "kind": "arxiv",
    "version": 1
  }
}