Pith Number

pith:TZHBVSGS

pith:2010:TZHBVSGSWIH7FSRIRZ3LEVM2FF

not attested not anchored not stored refs pending

Are Brightest Halo Galaxies Central Galaxies?

Fabio Fontanot, Frank C. van den Bosch, Houjun Mo, Ramin A. Skibba, Surhud More, Xiaohu Yang

arxiv:1001.4533 v4 · 2010-01-25 · 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{TZHBVSGSWIH7FSRIRZ3LEVM2FF}

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	2026-05-18T02:09:30.143818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e4e1ac8d2b20ff2ca288e76b2559a29704f6e0209048eb9a0a27321e3690095

Aliases

arxiv: 1001.4533 · arxiv_version: 1001.4533v4 · doi: 10.48550/arxiv.1001.4533 · pith_short_12: TZHBVSGSWIH7 · pith_short_16: TZHBVSGSWIH7FSRI · pith_short_8: TZHBVSGS

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/TZHBVSGSWIH7FSRIRZ3LEVM2FF \
  | 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: 9e4e1ac8d2b20ff2ca288e76b2559a29704f6e0209048eb9a0a27321e3690095

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf52c3cdb9a2b8de3864dd26a0fde4a4fe498dfd72bef406b479d3d3f655c6aa",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-25T21:15:19Z",
    "title_canon_sha256": "31525375e7732568d9956050cdfcf3a304eaf2106817e2f28b64f46d3ba52384"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4533",
    "kind": "arxiv",
    "version": 4
  }
}