Pith Number

pith:UAYDUPQJ

pith:2019:UAYDUPQJVZKDIBDGUL2GILPZX3

not attested not anchored not stored refs pending

Mapping the stellar age of the Milky Way bulge with the VVV. I. The method

(10) INAF - Astronomical Observatory of Abruzzo, 11), (11) INFN, (12) INAF - Osservatorio Astronomico di Padova, (13) Max-Planck-Institut f\"ur Astrophysik), (2) Instituto de Astrof\'isica de Canarias, 3), (3) Department of Astrophysics University of La Laguna, 4), (4) Instituto de Astrof\'isica Pontificia Universidad Cat\'olica de Chile, 5), (5) Millennium Institute of Astrophysics, 6), (6) Excellence Cluster Universe, 7, (7) Departamento de Ciencias F\'isicas Universidad Andr\'es Bello, 8), (8) Vatican Observatory, (9) Institute for Astronomy University of Edinburgh, A. Renzini (12), A. Weiss (13) ((1) European Southern Observatory, D. Minniti (5, E. S\"okmen (2, E. Valenti (1), F. Surot (1, M. Rejkuba (1, M. Zoccali (4, O. A. Gonzalez (9), S. Cassisi (10, S. L. Hidalgo (2

arxiv:1902.01695 v1 · 2019-02-05 · astro-ph.GA · astro-ph.IM · 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{UAYDUPQJVZKDIBDGUL2GILPZX3}

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	2026-05-17T23:50:08.247457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0303a3e09ae54340466a2f4642df9becc1e5b511cde63cf94d6170e0b64cf87

Aliases

arxiv: 1902.01695 · arxiv_version: 1902.01695v1 · doi: 10.48550/arxiv.1902.01695 · pith_short_12: UAYDUPQJVZKD · pith_short_16: UAYDUPQJVZKDIBDG · pith_short_8: UAYDUPQJ

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/UAYDUPQJVZKDIBDGUL2GILPZX3 \
  | 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: a0303a3e09ae54340466a2f4642df9becc1e5b511cde63cf94d6170e0b64cf87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32b6293df2917fab6528cb2f3539b60c49668558ff5bccff6b5415f722d00290",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-05T14:13:15Z",
    "title_canon_sha256": "08aea9fb2299f5606c46c722f92e7779f222627cda34731128e63211382affe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01695",
    "kind": "arxiv",
    "version": 1
  }
}