Pith Number

pith:MPC7BG6U

pith:2020:MPC7BG6UAWYXTOBMFJYMHEKNTB

not attested not anchored not stored refs pending

A high-resolution spectroscopic study of two new Na- and Al-rich field giants -- likely globular cluster escapees in the Galactic halo

A.Susmitha, Avrajit Bandyopadhyay, Sivarani Thirupathi, Timothy C. Beers

arxiv:2003.03539 v1 · 2020-03-07 · 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{MPC7BG6UAWYXTOBMFJYMHEKNTB}

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	2026-07-05T00:48:57.422558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63c5f09bd405b179b82c2a70c3914d986ce2128c01e844ac36cdbfe06cb2a588

Aliases

arxiv: 2003.03539 · arxiv_version: 2003.03539v1 · doi: 10.48550/arxiv.2003.03539 · pith_short_12: MPC7BG6UAWYX · pith_short_16: MPC7BG6UAWYXTOBM · pith_short_8: MPC7BG6U

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/MPC7BG6UAWYXTOBMFJYMHEKNTB \
  | 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: 63c5f09bd405b179b82c2a70c3914d986ce2128c01e844ac36cdbfe06cb2a588

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebf1e4da404c716a5e61ddfcb42f686837f991d0ee79bc87b724bd0a5fb31ae1",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-03-07T09:05:32Z",
    "title_canon_sha256": "4e0d9326cab2812e5cf7228d2d061fe03561963a38f27f32d686ef62206b5c43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.03539",
    "kind": "arxiv",
    "version": 1
  }
}