Pith Number

pith:P7JQC3U5

pith:2017:P7JQC3U5NE34GMKNCFRC47CBTV

not attested not anchored not stored refs pending

Discovery of Extended Main Sequence Turn-offs in Four Young Massive Clusters in the Magellanic Clouds

Antonino P. Milone, Chengyuan Li, Licai Deng, Richard de Grijs

arxiv:1706.07545 v1 · 2017-06-23 · 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{P7JQC3U5NE34GMKNCFRC47CBTV}

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	2026-05-18T00:38:25.763506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fd3016e9d6937c3314d11622e7c419d4df73953f73a5c350dfe3056bcc4716b

Aliases

arxiv: 1706.07545 · arxiv_version: 1706.07545v1 · doi: 10.48550/arxiv.1706.07545 · pith_short_12: P7JQC3U5NE34 · pith_short_16: P7JQC3U5NE34GMKN · pith_short_8: P7JQC3U5

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/P7JQC3U5NE34GMKNCFRC47CBTV \
  | 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: 7fd3016e9d6937c3314d11622e7c419d4df73953f73a5c350dfe3056bcc4716b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35df357641a2ccc3a7af45b5d4c41109688966f8a2bb3329d7b4f75434394627",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-06-23T02:35:20Z",
    "title_canon_sha256": "07ad3758299d727893d69e07750934f3cb20d950816b936b066eb8e9e6aa5bfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07545",
    "kind": "arxiv",
    "version": 1
  }
}