Pith Number

pith:CR3ODZWZ

pith:2016:CR3ODZWZOGB33WTLJYCHSO3E6L

not attested not anchored not stored refs pending

The OPD Photometric Survey of Open Clusters II. robust determination of the fundamental parameters of 24 open clusters

Gabriel R. Hickel, Hektor Monteiro, Thiago C. Caetano, Wilton S. Dias

arxiv:1608.03010 v1 · 2016-08-10 · 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{CR3ODZWZOGB33WTLJYCHSO3E6L}

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	2026-05-18T01:08:15.811305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1476e1e6d97183bdda6b4e04793b64f2f9050428f9fce14d92fb7182374108e6

Aliases

arxiv: 1608.03010 · arxiv_version: 1608.03010v1 · doi: 10.48550/arxiv.1608.03010 · pith_short_12: CR3ODZWZOGB3 · pith_short_16: CR3ODZWZOGB33WTL · pith_short_8: CR3ODZWZ

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/CR3ODZWZOGB33WTLJYCHSO3E6L \
  | 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: 1476e1e6d97183bdda6b4e04793b64f2f9050428f9fce14d92fb7182374108e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4acb76aee46e6dd00d7dd3b7de201cdd7712ecce1e56671cbace097d4fdf2cc4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-08-10T00:22:00Z",
    "title_canon_sha256": "15bffeb16a45e27cc6c599289d8e9afa87d45f8c9b7cfe1b10803be52454d3f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.03010",
    "kind": "arxiv",
    "version": 1
  }
}