Pith Number

pith:C6XRYDKS

pith:2019:C6XRYDKSRW54WMYFG5UL2WKDX5

not attested not anchored not stored refs pending

Extended main-sequence turnoffs in the double cluster $h$ and $\chi$ Persei: The complex role of stellar rotation

Antonino P. Milone, Chengyuan Li, Giacomo Cordoni, Kun Wang, Licai Deng, Richard de Grijs, Weijia Sun

arxiv:1904.02005 v2 · 2019-04-03 · 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{C6XRYDKSRW54WMYFG5UL2WKDX5}

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	2026-05-17T23:46:17.929135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17af1c0d528dbbcb33053768bd5943bf4c7ff941147c375ac6d821c87770656c

Aliases

arxiv: 1904.02005 · arxiv_version: 1904.02005v2 · doi: 10.48550/arxiv.1904.02005 · pith_short_12: C6XRYDKSRW54 · pith_short_16: C6XRYDKSRW54WMYF · pith_short_8: C6XRYDKS

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/C6XRYDKSRW54WMYFG5UL2WKDX5 \
  | 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: 17af1c0d528dbbcb33053768bd5943bf4c7ff941147c375ac6d821c87770656c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d648fa6a4c8d9f9bfa36536fcc9c6e234b83571e9c5ce69f5b36efccaf582224",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-03T13:52:28Z",
    "title_canon_sha256": "4e4ea404a3ca68e56a079e3f3d448a8043c9116eca4d0fb0f989a8935b05c57e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02005",
    "kind": "arxiv",
    "version": 2
  }
}