Pith Number

pith:QOP5WLK6

pith:2017:QOP5WLK6SLL3V5YORZYV2CAJRC

not attested not anchored not stored refs pending

Photometry and spectroscopy of multiple populations along the AGB of NGC2808 and NGC6121 (M4)

A. F. Marino, A. P. Milone, A. Renzini, D. Nardiello, D. Yong, G. Da Costa, G. Piotto, H. Jerjen, L. R. Bedin, M. Asplund, M. Shetrone

arxiv:1706.02278 v1 · 2017-06-07 · 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{QOP5WLK6SLL3V5YORZYV2CAJRC}

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.

Cited by

1 paper in Pith

Multiple populations along the asymptotic giant branch: a Gaia+APOGEE study of 22 Galactic globular clusters

Receipt and verification

First computed	2026-07-05T00:10:25.151401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

839fdb2d5e92d7baf70e8e715d0809889045aa283a5c10228e16e2a17d375b07

Aliases

arxiv: 1706.02278 · arxiv_version: 1706.02278v1 · doi: 10.48550/arxiv.1706.02278 · pith_short_12: QOP5WLK6SLL3 · pith_short_16: QOP5WLK6SLL3V5YO · pith_short_8: QOP5WLK6

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/QOP5WLK6SLL3V5YORZYV2CAJRC \
  | 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: 839fdb2d5e92d7baf70e8e715d0809889045aa283a5c10228e16e2a17d375b07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c2555ec23cd22e5ae9290ebbc9441cfe0780b823d9b33e570f33e8360b8cf1c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-06-07T17:40:00Z",
    "title_canon_sha256": "567a2781426837aab3bcc50e9a04b5361e563e0fbfe8f4726960e9ced600833d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02278",
    "kind": "arxiv",
    "version": 1
  }
}