Pith Number

pith:76GTW5LW

pith:2004:76GTW5LWZCMBJDPLW64Q5NBKIM

not attested not anchored not stored refs pending

Galaxy Groups in the SDSS-DR3

Ariel Zandivarez, Manuel Merchan

arxiv:astro-ph/0412257 v1 · 2004-12-10 · 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{76GTW5LWZCMBJDPLW64Q5NBKIM}

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	2026-05-18T02:41:59.949466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff8d3b7576c898148debb7b90eb42a43187735554b3b3b2fb02bfc9c1de4f008

Aliases

arxiv: astro-ph/0412257 · arxiv_version: astro-ph/0412257v1 · doi: 10.48550/arxiv.astro-ph/0412257 · pith_short_12: 76GTW5LWZCMB · pith_short_16: 76GTW5LWZCMBJDPL · pith_short_8: 76GTW5LW

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/76GTW5LWZCMBJDPLW64Q5NBKIM \
  | 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: ff8d3b7576c898148debb7b90eb42a43187735554b3b3b2fb02bfc9c1de4f008

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eac295026e28b9f9e2803edc904828db09b4cc3e586af84c37941087b3471490",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-10T15:05:27Z",
    "title_canon_sha256": "064985113bd7465664a5ee0218d7c86003e251fbc8971f5ecd16aca789c155cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412257",
    "kind": "arxiv",
    "version": 1
  }
}