Pith Number

pith:4MYR2ZAV

pith:2010:4MYR2ZAVU362DGX6YUTJGOXHWB

not attested not anchored not stored refs pending

Galaxy Zoo: The fundamentally different co-evolution of supermassive black holes and their early- and late-type host galaxies

Alex S. Szalay, Anze Slosar, Carolin N. Cardamone, Chris J. Lintott, C. Megan Urry, Dan Andreescu, Daniel Thomas, Ezequiel Treister, Jan vandenBerg, Karen L. Masters, Kevin Schawinski, Marc Sarzi, M. Jordan Raddick, Nicholas P. Ross, Paolo Coppi, Phil Murray, Robert C. Nichol, Shanil Virani, Steven P. Bamford, Sugata Kaviraj, William C. Keel

arxiv:1001.3141 v1 · 2010-01-18 · 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{4MYR2ZAVU362DGX6YUTJGOXHWB}

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	2026-05-18T02:09:42.781992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3311d6415a6fda19afec526933ae7b07aacf2f3924ea0849db358cfc004d0d7

Aliases

arxiv: 1001.3141 · arxiv_version: 1001.3141v1 · doi: 10.48550/arxiv.1001.3141 · pith_short_12: 4MYR2ZAVU362 · pith_short_16: 4MYR2ZAVU362DGX6 · pith_short_8: 4MYR2ZAV

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/4MYR2ZAVU362DGX6YUTJGOXHWB \
  | 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: e3311d6415a6fda19afec526933ae7b07aacf2f3924ea0849db358cfc004d0d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ffff0f0eccd1b43ecfaa499554a5cb6a9a465f9d083ad8a9a409f803ca87c9a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-18T21:01:05Z",
    "title_canon_sha256": "64fd8628023286f26320220618f999bceece834619b4bbd984502e8df9f6e16e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3141",
    "kind": "arxiv",
    "version": 1
  }
}