Pith Number

pith:GDQY3UFO

pith:2020:GDQY3UFOE7NBD3C7FD53B55R4Y

not attested not anchored not stored refs pending

A Study of Open Clusters Frolov 1 and NGC 7510 using CCD UBV Photometry and Gaia DR2 Astrometry

B. Akbulut, E. Paunzen, R. Canbay, S. Ak, S. Bilir, T. Ak, T. Banks, T. Yontan, Z. F. Bostanci

arxiv:2012.12269 v1 · 2020-12-22 · 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{GDQY3UFOE7NBD3C7FD53B55R4Y}

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	2026-07-05T02:35:31.047218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30e18dd0ae27da11ec5f28fbb0f7b1e61000e18f8bd4e4255a84bb1603dbb5d4

Aliases

arxiv: 2012.12269 · arxiv_version: 2012.12269v1 · doi: 10.48550/arxiv.2012.12269 · pith_short_12: GDQY3UFOE7NB · pith_short_16: GDQY3UFOE7NBD3C7 · pith_short_8: GDQY3UFO

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/GDQY3UFOE7NBD3C7FD53B55R4Y \
  | 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: 30e18dd0ae27da11ec5f28fbb0f7b1e61000e18f8bd4e4255a84bb1603dbb5d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "525528cbaa29e93b7aafb27eaffbd026239cf6fb502134c1d1d10fd9f5a328aa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-12-22T19:00:01Z",
    "title_canon_sha256": "1b06487a6c55c2849cd471ad7f1a9ad340b0f08be2e5d172dcaa63b981ab9279"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.12269",
    "kind": "arxiv",
    "version": 1
  }
}