Pith Number

pith:4THLOCKS

pith:2006:4THLOCKSDX6NAELOVV3Z6N424E

not attested not anchored not stored refs pending

Near-Infrared Photometric Study of the Galactic Open Clusters NGC 1641 and NGC 2394 Based on 2MASS Data

Sang Chul Kim (KASI)

arxiv:astro-ph/0611611 v1 · 2006-11-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4THLOCKSDX6NAELOVV3Z6N424E}

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	2026-05-18T01:40:28.808046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4ceb709521dfcd0116ead779f379ae115c17bce352b3cecc0d8ac191e826a6f

Aliases

arxiv: astro-ph/0611611 · arxiv_version: astro-ph/0611611v1 · doi: 10.48550/arxiv.astro-ph/0611611 · pith_short_12: 4THLOCKSDX6N · pith_short_16: 4THLOCKSDX6NAELO · pith_short_8: 4THLOCKS

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/4THLOCKSDX6NAELOVV3Z6N424E \
  | 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: e4ceb709521dfcd0116ead779f379ae115c17bce352b3cecc0d8ac191e826a6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef67ab6285bf2afc63b426cb70c1a74332ebd4643e7478019c68eebc42b056c5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-20T05:54:21Z",
    "title_canon_sha256": "c1a112edc8fb67a7c448663a9836510fe6b616e8a3f93e36cd695fd350490017"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611611",
    "kind": "arxiv",
    "version": 1
  }
}