Pith Number

pith:PT4CUKGC

pith:1995:PT4CUKGCS2VQIKMQCVODWKHJRW

not attested not anchored not stored refs pending

A Study of the Large--Scale Distribution of Galaxies in the South Galactic Pole Region: I. The Data

L. Guzzo, M. Tarenghi, S. Ettori

arxiv:astro-ph/9504005 v1 · 1995-04-04 · 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{PT4CUKGCS2VQIKMQCVODWKHJRW}

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	2026-05-18T01:40:23.613940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cf82a28c296ab042990155c3b28e98dbb933dc8a1bd403b73a088079c40b433

Aliases

arxiv: astro-ph/9504005 · arxiv_version: astro-ph/9504005v1 · doi: 10.48550/arxiv.astro-ph/9504005 · pith_short_12: PT4CUKGCS2VQ · pith_short_16: PT4CUKGCS2VQIKMQ · pith_short_8: PT4CUKGC

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/PT4CUKGCS2VQIKMQCVODWKHJRW \
  | 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: 7cf82a28c296ab042990155c3b28e98dbb933dc8a1bd403b73a088079c40b433

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3737140b9a5010c14e54c5eac4b820bbe77429935a2e6edd8ada356f69fb7fc2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-04-04T17:57:19Z",
    "title_canon_sha256": "4c03b6fcbda41325dda01877b0ce1e5ed152e8e37dc3a155c6abf3d9baebf9ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9504005",
    "kind": "arxiv",
    "version": 1
  }
}