Pith Number

pith:WF4Z3C3M

pith:2016:WF4Z3C3M2BDPTV3JUB4E2YG7Y2

not attested not anchored not stored refs pending

CCD UBV Photometry and Kinematics of the Open Cluster NGC 225

E. Paunzen, S. Ak, S. Bilir, T. Ak, T. Guver, T. Yontan, V. Bakis, Z. Eker, Z. F. Bostanci

arxiv:1606.08608 v1 · 2016-06-28 · astro-ph.GA · 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{WF4Z3C3M2BDPTV3JUB4E2YG7Y2}

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	2026-05-18T01:03:18.341073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1799d8b6cd046f9d769a0784d60dfc68a91b7e7d3033c709ba6f2a9fa1236bb

Aliases

arxiv: 1606.08608 · arxiv_version: 1606.08608v1 · doi: 10.48550/arxiv.1606.08608 · pith_short_12: WF4Z3C3M2BDP · pith_short_16: WF4Z3C3M2BDPTV3J · pith_short_8: WF4Z3C3M

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/WF4Z3C3M2BDPTV3JUB4E2YG7Y2 \
  | 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: b1799d8b6cd046f9d769a0784d60dfc68a91b7e7d3033c709ba6f2a9fa1236bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34b6c6d1445ea0475907c163ec728906bfc1f1dcf47ad588fed450af84889a75",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-06-28T08:34:39Z",
    "title_canon_sha256": "fa39292f1d2638c8443323f54a45dc21046d9175e04cf49a921c0fe5e88012c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.08608",
    "kind": "arxiv",
    "version": 1
  }
}