Pith Number

pith:SNNA6RT3

pith:2019:SNNA6RT3FH72QXSRX3JGZFIUIU

not attested not anchored not stored refs pending

The substructure and halo population of the Double Cluster $h$ and $\chi$ Persei

Jing Zhong, Jinliang Hou, Li Chen, Lu Li, M.B.N. Kouwenhoven, Zhengyi Shao

arxiv:1902.06892 v1 · 2019-02-19 · 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{SNNA6RT3FH72QXSRX3JGZFIUIU}

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	2026-05-17T23:49:38.937393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

935a0f467b29ffa85e51bed26c95144517a887d21566c21a15bec9324918fa92

Aliases

arxiv: 1902.06892 · arxiv_version: 1902.06892v1 · doi: 10.48550/arxiv.1902.06892 · pith_short_12: SNNA6RT3FH72 · pith_short_16: SNNA6RT3FH72QXSR · pith_short_8: SNNA6RT3

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/SNNA6RT3FH72QXSRX3JGZFIUIU \
  | 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: 935a0f467b29ffa85e51bed26c95144517a887d21566c21a15bec9324918fa92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcd4466310fe739f103ff58f72c12b74be8a049e0c673ac2e1583494f93f105b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-19T04:39:26Z",
    "title_canon_sha256": "1bdbcce3235f8567eecf75c1986d0f44cfd507cd70b4c2180904bef86c6aa0fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06892",
    "kind": "arxiv",
    "version": 1
  }
}