Pith Number

pith:RJNVH4LO

pith:2010:RJNVH4LO6BODVG75HXKRFMGKGK

not attested not anchored not stored refs pending

A Study of Catalogued Nearby Galaxy Clusters in the SDSS-DR4. II. Cluster Substructure

J. Alfonso L. Aguerri, Ruben Sanchez-Janssen

arxiv:1007.3497 v1 · 2010-07-20 · 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{RJNVH4LO6BODVG75HXKRFMGKGK}

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	2026-05-18T02:06:12.306096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a5b53f16ef05c3a9bfd3dd512b0ca3289d22f8b4edfa8760df46bcf981a0b64

Aliases

arxiv: 1007.3497 · arxiv_version: 1007.3497v1 · doi: 10.48550/arxiv.1007.3497 · pith_short_12: RJNVH4LO6BOD · pith_short_16: RJNVH4LO6BODVG75 · pith_short_8: RJNVH4LO

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/RJNVH4LO6BODVG75HXKRFMGKGK \
  | 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: 8a5b53f16ef05c3a9bfd3dd512b0ca3289d22f8b4edfa8760df46bcf981a0b64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "383c794c49180aaefd3bd8af284180d07a76a6c032347c4c46a5ce53a39a00ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-07-20T20:00:03Z",
    "title_canon_sha256": "56611de85f9bd4caf095b1f75cfb1d35faf47edfea422e83d5de405ac5b2a193"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3497",
    "kind": "arxiv",
    "version": 1
  }
}