Pith Number

pith:G5VEKTST

pith:2009:G5VEKTST6KISQUGK7E6CQYDQSW

not attested not anchored not stored refs pending

Galaxy clusters identified from the SDSS DR6 and their properties

F. S. Liu, J. L. Han, Z. L. Wen

arxiv:0906.0803 v4 · 2009-06-04 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G5VEKTST6KISQUGK7E6CQYDQSW}

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	2026-05-18T02:34:45.936073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

376a454e53f2912850caf93c28607095a3d026273a9b8bc6b7c80b1d72651311

Aliases

arxiv: 0906.0803 · arxiv_version: 0906.0803v4 · doi: 10.48550/arxiv.0906.0803 · pith_short_12: G5VEKTST6KIS · pith_short_16: G5VEKTST6KISQUGK · pith_short_8: G5VEKTST

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/G5VEKTST6KISQUGK7E6CQYDQSW \
  | 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: 376a454e53f2912850caf93c28607095a3d026273a9b8bc6b7c80b1d72651311

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b96310346fb4a91579fec5a3a554731b805df8f9116903d9159a44c98050476",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-04T01:29:43Z",
    "title_canon_sha256": "b6b6d812c497a600126ed5f3c8efd19740891dee5959e3715aba7582f7fa9fe0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0803",
    "kind": "arxiv",
    "version": 4
  }
}