Pith Number

pith:IX27RWWM

pith:2015:IX27RWWMOMGQQVSKRNEDV4UCB3

not attested not anchored not stored refs pending

Sejong Open Cluster Survey (SOS) - IV. The Young Open Clusters NGC 1624 and NGC 1931

Beomdu Lim, Byeong-Gon Park, Hwankyung Sung, Hyeonoh Hur, Jinyoung S. Kim, Michael S. Bessell

arxiv:1502.00105 v1 · 2015-01-31 · 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{IX27RWWMOMGQQVSKRNEDV4UCB3}

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	2026-05-18T01:41:05.542945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45f5f8dacc730d08564a8b483af2820eead2c70a0ad620690ef56936e8a33eb1

Aliases

arxiv: 1502.00105 · arxiv_version: 1502.00105v1 · doi: 10.48550/arxiv.1502.00105 · pith_short_12: IX27RWWMOMGQ · pith_short_16: IX27RWWMOMGQQVSK · pith_short_8: IX27RWWM

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/IX27RWWMOMGQQVSKRNEDV4UCB3 \
  | 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: 45f5f8dacc730d08564a8b483af2820eead2c70a0ad620690ef56936e8a33eb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "444364441d359a7c18bc4ad76b230165bbcff3587283e26df4cb238ba340ae71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-01-31T13:37:52Z",
    "title_canon_sha256": "9626228c73408801122f92820c96d3eedb590689910a20556349aef0c9b3e288"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00105",
    "kind": "arxiv",
    "version": 1
  }
}