Pith Number

pith:Z5CIOZK2

pith:1998:Z5CIOZK23JG2GST5GPO3WNMTUA

not attested not anchored not stored refs pending

A redshift survey between the clusters of galaxies A548 and A3367

E.Zucca, G.Andreuzzi, R.Scaramella, S.Bardelli

arxiv:astro-ph/9806051 v1 · 1998-06-03 · 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{Z5CIOZK23JG2GST5GPO3WNMTUA}

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	2026-05-18T01:07:37.367445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf4487655ada4da34a7d33ddbb3593a01dbfd91b403850bfea8bee64193c99e6

Aliases

arxiv: astro-ph/9806051 · arxiv_version: astro-ph/9806051v1 · doi: 10.48550/arxiv.astro-ph/9806051 · pith_short_12: Z5CIOZK23JG2 · pith_short_16: Z5CIOZK23JG2GST5 · pith_short_8: Z5CIOZK2

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/Z5CIOZK23JG2GST5GPO3WNMTUA \
  | 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: cf4487655ada4da34a7d33ddbb3593a01dbfd91b403850bfea8bee64193c99e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38959d8fe30ac0bf4b3579bb7db77978be93a08772e07aff21e8d408637685a9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-06-03T16:28:26Z",
    "title_canon_sha256": "9578c14969060517c0e36bbd0f0728ffe02ddeb210ee52a5e204bb63d2767173"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9806051",
    "kind": "arxiv",
    "version": 1
  }
}