Pith Number

pith:5VVR4KYJ

pith:2012:5VVR4KYJEM4FXVCGCUBKX7DP6Z

not attested not anchored not stored refs pending

Satellite Galaxy Number Density Profiles in the Sloan Digital Sky Survey

Carlos Frenk, Quan Guo, Shaun Cole, Vincent Eke

arxiv:1201.1296 v2 · 2012-01-05 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5VVR4KYJEM4FXVCGCUBKX7DP6Z}

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	2026-05-18T02:21:25.778010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed6b1e2b0923385bd4461502abfc6ff6697e617607d6f71632ee228ad3a31d62

Aliases

arxiv: 1201.1296 · arxiv_version: 1201.1296v2 · doi: 10.48550/arxiv.1201.1296 · pith_short_12: 5VVR4KYJEM4F · pith_short_16: 5VVR4KYJEM4FXVCG · pith_short_8: 5VVR4KYJ

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/5VVR4KYJEM4FXVCGCUBKX7DP6Z \
  | 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: ed6b1e2b0923385bd4461502abfc6ff6697e617607d6f71632ee228ad3a31d62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14448d005646e6316c8d76b4687fe4731863dd1a11941a68a3839b4abbc6cb8e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-05T21:00:15Z",
    "title_canon_sha256": "8db121b1fa65e2ec91faf856281f5397f610e89bdbf32334221a06d363fb0a20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1296",
    "kind": "arxiv",
    "version": 2
  }
}