Pith Number

pith:VGQ6BURK

pith:2012:VGQ6BURKTKNOEEGY7P67MJGKTN

not attested not anchored not stored refs pending

Stellar lifetime and ultraviolet properties of the old metal-rich Galactic open cluster NGC6791: a pathway to understand the UV upturn of elliptical galaxies

(2) INAOE - Inst. Nac. de Astrofisica Optica y Electronica, (3) ESO - European Southern Obs., 4), (4) Dip. Astronomia Universita' di Padova, (5) INAF - Osservatorio Astronomico di Padova, Alberto Buzzoni (1), Chile, Emanuele Bertone (2), Giovanni Carraro (3, Italy, Italy), Lucio Buson (5)((1) INAF - Osservatorio Astronomico di Bologna, Mexico, Pue, Santiago, Tonantzintla

arxiv:1202.4461 v1 · 2012-02-20 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VGQ6BURKTKNOEEGY7P67MJGKTN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:58:23.259694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9a1e0d22a9a9ae210d8fbfdf624ca9b4dbfe741721244c8a541b76102b77e8d

Aliases

arxiv: 1202.4461 · arxiv_version: 1202.4461v1 · doi: 10.48550/arxiv.1202.4461 · pith_short_12: VGQ6BURKTKNO · pith_short_16: VGQ6BURKTKNOEEGY · pith_short_8: VGQ6BURK

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/VGQ6BURKTKNOEEGY7P67MJGKTN \
  | 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: a9a1e0d22a9a9ae210d8fbfdf624ca9b4dbfe741721244c8a541b76102b77e8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6513f49d45cd4e1c2ee43684bb461f0401d7383e0f20b4ef56fad6631c60c7f7",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-02-20T21:00:35Z",
    "title_canon_sha256": "682225f668d2c1fdd98daebc834a915f7cb4ac013a85ff9d9a5fcbb1921328d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4461",
    "kind": "arxiv",
    "version": 1
  }
}