Pith Number

pith:GYDTD6MC

pith:1997:GYDTD6MCYXWVPDBOUL6KRBY5DB

not attested not anchored not stored refs pending

Hierarchical Systems in Open Clusters

(2) Institute of Astronomy (Cambridge, L. G. Kiseleva (2), P. P. Eggleton (2) ((1) Universidad Complutense de Madrid (Spain), R. de la Fuente Marcos (1), S. J. Aarseth (2), UK))

arxiv:astro-ph/9701022 v1 · 1997-01-07 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GYDTD6MCYXWVPDBOUL6KRBY5DB}

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	2026-05-18T01:21:49.961108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

360731f982c5ed578c2ea2fca8871d186b832e4b3b19d9a62547f237f6895272

Aliases

arxiv: astro-ph/9701022 · arxiv_version: astro-ph/9701022v1 · doi: 10.48550/arxiv.astro-ph/9701022 · pith_short_12: GYDTD6MCYXWV · pith_short_16: GYDTD6MCYXWVPDBO · pith_short_8: GYDTD6MC

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/GYDTD6MCYXWVPDBOUL6KRBY5DB \
  | 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: 360731f982c5ed578c2ea2fca8871d186b832e4b3b19d9a62547f237f6895272

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c340f147481b2b4fac339fbca70b2e78ea68347f39a81d8a533d65fb702de61",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-01-07T10:31:39Z",
    "title_canon_sha256": "977cbc93e62eba329258853b8dd7f9642713e179a478cda43704242aa1c19303"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9701022",
    "kind": "arxiv",
    "version": 1
  }
}