Pith Number

pith:AOT6RNRV

pith:2019:AOT6RNRVZ5RUTKZB4WGS75MMYX

not attested not anchored not stored refs pending

Helium enrichment in intermediate-age Magellanic Clouds clusters: towards an ubiquity of multiple stellar populations?

M. Salaris, N. Bastian, S. Martocchia, W. Chantereau

arxiv:1902.01806 v1 · 2019-02-05 · 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{AOT6RNRVZ5RUTKZB4WGS75MMYX}

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	2026-05-17T23:54:14.935395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03a7e8b635cf6349ab21e58d2ff58cc5df0964c6cf8d47c385620ff04ff58954

Aliases

arxiv: 1902.01806 · arxiv_version: 1902.01806v1 · doi: 10.48550/arxiv.1902.01806 · pith_short_12: AOT6RNRVZ5RU · pith_short_16: AOT6RNRVZ5RUTKZB · pith_short_8: AOT6RNRV

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/AOT6RNRVZ5RUTKZB4WGS75MMYX \
  | 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: 03a7e8b635cf6349ab21e58d2ff58cc5df0964c6cf8d47c385620ff04ff58954

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21e72d6f3861026fd6c1a29a23665a7f1734bfb4a456a47db0039755b45d936d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-05T17:25:06Z",
    "title_canon_sha256": "dd759a08d912de6e3d15066d6e2f8b53b673c0b3cddeae9727b68ec4f9de2ad9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01806",
    "kind": "arxiv",
    "version": 1
  }
}