Pith Number

pith:LBSPHVHB

pith:1997:LBSPHVHB2BVDRFYXHEATQHUCZX

not attested not anchored not stored refs pending

Hickson 96: a physical compact group

(2) Observatoire de Marseille), A. Del Olmo (1), E. Athanassoula (2), I. Marquez (1), J. Perea (1), L. Verdes-Montenegro (1), R. Augarde (2) ((1) Instituto de Astrofisica de Andalucia

arxiv:astro-ph/9702142 v1 · 1997-02-17 · 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{LBSPHVHB2BVDRFYXHEATQHUCZX}

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	2026-05-18T01:07:38.678577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5864f3d4e1d06a3897173901381e82cdef535c1d75627aaed156239e534ac2ed

Aliases

arxiv: astro-ph/9702142 · arxiv_version: astro-ph/9702142v1 · doi: 10.48550/arxiv.astro-ph/9702142 · pith_short_12: LBSPHVHB2BVD · pith_short_16: LBSPHVHB2BVDRFYX · pith_short_8: LBSPHVHB

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/LBSPHVHB2BVDRFYXHEATQHUCZX \
  | 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: 5864f3d4e1d06a3897173901381e82cdef535c1d75627aaed156239e534ac2ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7e4403dced4d6d09c7f94dfcf864782c0ffef18588e6602a1c6f011fb7cbacb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-02-17T16:44:47Z",
    "title_canon_sha256": "a9e91a99ddf2a2a47babd5e8e2ae13889c56d6acc21f9c0b0665dc9859387a5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9702142",
    "kind": "arxiv",
    "version": 1
  }
}