Pith Number

pith:RTMQ5CF5

pith:2018:RTMQ5CF5PYFRQCF6XZ2PZKQOMX

not attested not anchored not stored refs pending

Discovery of extended main sequence turn offs in Galactic open clusters

A. F. Marino, A. P. Milone, A. Serenelli, F. Vilardell, L. Balaguer-Nunez, L. Casagrande, M. Di Criscienzo, N. Przybilla

arxiv:1807.05888 v2 · 2018-07-16 · 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{RTMQ5CF5PYFRQCF6XZ2PZKQOMX}

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	2026-05-18T00:07:06.041298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cd90e88bd7e0b1808bebe74fcaa0e65ed2da352f3d73a2de09f2dd88cb93497

Aliases

arxiv: 1807.05888 · arxiv_version: 1807.05888v2 · doi: 10.48550/arxiv.1807.05888 · pith_short_12: RTMQ5CF5PYFR · pith_short_16: RTMQ5CF5PYFRQCF6 · pith_short_8: RTMQ5CF5

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/RTMQ5CF5PYFRQCF6XZ2PZKQOMX \
  | 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: 8cd90e88bd7e0b1808bebe74fcaa0e65ed2da352f3d73a2de09f2dd88cb93497

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d81d09533255339dc7d9de7a7b75259e649606625155129db9ce271ea83f962",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-16T14:34:10Z",
    "title_canon_sha256": "7cf2474c4ab852ecfa5562709c5c2b95ec2ee6c5f48e74a2b05ade7bcb69da3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05888",
    "kind": "arxiv",
    "version": 2
  }
}