Pith Number

pith:3ZNHBJRT

pith:2021:3ZNHBJRTFY63BM4GLXC4W5KDLO

not attested not anchored not stored refs pending

On the Nitrogen variation in ~2 Gyr old massive star clusters in the Large Magellanic Cloud

C. Lardo, E. Dalessandro, I. Cabrera-Ziri, M. Rejkuba, M. Salaris, N. Bastian, N. Kacharov, S. Kamann, S. Larsen, S. Martocchia, W. Chantereau

arxiv:2106.02054 v1 · 2021-06-03 · astro-ph.GA · 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{3ZNHBJRTFY63BM4GLXC4W5KDLO}

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	2026-07-05T02:55:15.789825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de5a70a6332e3db0b3865dc5cb75435b803108ffef4c13ef78e2b80922297296

Aliases

arxiv: 2106.02054 · arxiv_version: 2106.02054v1 · doi: 10.48550/arxiv.2106.02054 · pith_short_12: 3ZNHBJRTFY63 · pith_short_16: 3ZNHBJRTFY63BM4G · pith_short_8: 3ZNHBJRT

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/3ZNHBJRTFY63BM4GLXC4W5KDLO \
  | 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: de5a70a6332e3db0b3865dc5cb75435b803108ffef4c13ef78e2b80922297296

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b09f88488a022842a4d21f1d88d0619a456205baade6af74f3a67a531aee812c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-06-03T18:00:08Z",
    "title_canon_sha256": "5dee63483b052dc12e5da2f8578c99fefbfb7fcbccf0ff833cbfffbd6264c004"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.02054",
    "kind": "arxiv",
    "version": 1
  }
}