Pith Number

pith:3CHWD5BF

pith:2023:3CHWD5BFSMGORCTIXZVJKBSRLJ

not attested not anchored not stored refs pending

The new detection of blue straggler stars in 50 open clusters using Gaia DR3

Chunyan Li, Jing Zhong, Li Chen, Songmei Qin

arxiv:2304.02907 v1 · 2023-04-06 · 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{3CHWD5BFSMGORCTIXZVJKBSRLJ}

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	2026-07-05T06:00:09.142515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d88f61f425930ce88a68be6a9506515a54d31b5ecf33a330fc37e31cf89a6427

Aliases

arxiv: 2304.02907 · arxiv_version: 2304.02907v1 · doi: 10.48550/arxiv.2304.02907 · pith_short_12: 3CHWD5BFSMGO · pith_short_16: 3CHWD5BFSMGORCTI · pith_short_8: 3CHWD5BF

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/3CHWD5BFSMGORCTIXZVJKBSRLJ \
  | 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: d88f61f425930ce88a68be6a9506515a54d31b5ecf33a330fc37e31cf89a6427

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f494a70eaa236d77269c928aeeb458d1614e657d342d16c4186478fd3e8dd046",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-04-06T07:39:52Z",
    "title_canon_sha256": "388515d9975161c0f129e9a600e76978a3490abbfbded1a621593dcd66a5cf32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.02907",
    "kind": "arxiv",
    "version": 1
  }
}