Pith Number

pith:KU4DDFQT

pith:2015:KU4DDFQTVALOGC67BEJ4ZLXL25

not attested not anchored not stored refs pending

GeMs/GSAOI observations of La Serena 94: an old and far open cluster inside the solar circle

A. Roman-Lopes (ULS, B. Neichel (CNRS-LAM, Brazil), Chile), E. R. Carrasco (Gemini Observatory), F. F. S. Maia (IPAG, France), J. F. C. Santos Jr. (DF/UFMG

arxiv:1511.06354 v2 · 2015-11-19 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KU4DDFQTVALOGC67BEJ4ZLXL25}

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	2026-05-18T01:09:45.715511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5538319613a816e30bdf0913ccaeebd778f013e0cbd40542b0a3342e53e10222

Aliases

arxiv: 1511.06354 · arxiv_version: 1511.06354v2 · doi: 10.48550/arxiv.1511.06354 · pith_short_12: KU4DDFQTVALO · pith_short_16: KU4DDFQTVALOGC67 · pith_short_8: KU4DDFQT

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/KU4DDFQTVALOGC67BEJ4ZLXL25 \
  | 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: 5538319613a816e30bdf0913ccaeebd778f013e0cbd40542b0a3342e53e10222

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1baf989579dd02581f33e2374d22ea8c7fef870c0f923ca8c9388e15288259fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-11-19T20:47:24Z",
    "title_canon_sha256": "0ee984752d0a85a0248ed84a341a2bb55aacc1fa86d202c548a2cdadd7f63066"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06354",
    "kind": "arxiv",
    "version": 2
  }
}