Pith Number

pith:X3DBKEYT

pith:2020:X3DBKEYT7N52JT4DPQNYJGZIFV

not attested not anchored not stored refs pending

An investigation of poorly studied open cluster NGC 4337 using multi-color photometric and Gaia DR2 astrometric data

Alok Durgapal, D. Bisht, Devesh P. Sariya, Geeta Rangwal, Ing-Guey Jiang, Qingfeng Zhu, R. K. S. Yadav, W. H. Elsanhoury

arxiv:2006.13618 v1 · 2020-06-24 · 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{X3DBKEYT7N52JT4DPQNYJGZIFV}

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	2026-07-05T01:30:06.985796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bec6151313fb7ba4cf837c1b849b282d4281abb4d18647c1e54932506d410a37

Aliases

arxiv: 2006.13618 · arxiv_version: 2006.13618v1 · doi: 10.48550/arxiv.2006.13618 · pith_short_12: X3DBKEYT7N52 · pith_short_16: X3DBKEYT7N52JT4D · pith_short_8: X3DBKEYT

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/X3DBKEYT7N52JT4DPQNYJGZIFV \
  | 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: bec6151313fb7ba4cf837c1b849b282d4281abb4d18647c1e54932506d410a37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6685b197d5afac8b1bf9f59a736da6a6d7c856927d4cb780795dae48228e8c0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-06-24T10:55:36Z",
    "title_canon_sha256": "e17de69d79129110f2be138c35e8a0fc849b3279462035db09c402c2a6f9692e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.13618",
    "kind": "arxiv",
    "version": 1
  }
}