Pith Number

pith:WRVA4U65

pith:2012:WRVA4U657X34FC37ZDTLSF46KQ

not attested not anchored not stored refs pending

Unveiling hidden properties of young star clusters: differential reddening, star-formation spread and binary fraction

Charles Bonatto, Eduardo Bica, Eliade F. Lima

arxiv:1202.3626 v1 · 2012-02-16 · 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{WRVA4U657X34FC37ZDTLSF46KQ}

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	2026-05-18T01:58:24.430055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b46a0e53ddfdf7c28b7fc8e6b9179e540b0ab71ee4312c9bd53865ce8f1a0040

Aliases

arxiv: 1202.3626 · arxiv_version: 1202.3626v1 · doi: 10.48550/arxiv.1202.3626 · pith_short_12: WRVA4U657X34 · pith_short_16: WRVA4U657X34FC37 · pith_short_8: WRVA4U65

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/WRVA4U657X34FC37ZDTLSF46KQ \
  | 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: b46a0e53ddfdf7c28b7fc8e6b9179e540b0ab71ee4312c9bd53865ce8f1a0040

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "954ff94fa8acfa60047a2e318f474eb84265d3e1cf9a6b63a8b0bc031e811e84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-02-16T15:42:02Z",
    "title_canon_sha256": "751125200735577bbd203bb6d14f8d963eb14c5d0a9825b9211bf0af573d1222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3626",
    "kind": "arxiv",
    "version": 1
  }
}