Pith Number

pith:PXRELCKI

pith:2009:PXRELCKIZLUKGQFVTHJ74QADKG

not attested not anchored not stored refs pending

Observational constraints on the co-evolution of supermassive black holes and galaxies

(2) Max-Planck Institue for Astronomy, 3), (3) University of Michigan, 4), (4) Space Telescope Science Institute, 5), (5) INAF-Osservatorio Astronomico, (6) Steward Observatory, (7) Columbia University), D. Schiminovich (7), E. F. Bell (2, F. Fontanot (2, G. H. Rieke (6), H.-W. Rix (2), K. Jahnke (2), K. Meisenheimer (2) ((1) Purple Mountain Observatory, R. S. Somerville (2, X. Z. Zheng (1)

arxiv:0911.0005 v1 · 2009-11-01 · 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{PXRELCKIZLUKGQFVTHJ74QADKG}

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	2026-05-18T02:34:12.346176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7de2458948cae8a340b599d3fe400351838f83cf16e32a20cbb4194cb21f1ed0

Aliases

arxiv: 0911.0005 · arxiv_version: 0911.0005v1 · doi: 10.48550/arxiv.0911.0005 · pith_short_12: PXRELCKIZLUK · pith_short_16: PXRELCKIZLUKGQFV · pith_short_8: PXRELCKI

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/PXRELCKIZLUKGQFVTHJ74QADKG \
  | 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: 7de2458948cae8a340b599d3fe400351838f83cf16e32a20cbb4194cb21f1ed0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f931f48d721cabf36d5dd8dc43b07ca65d4a14989fbe5557298274e4cca8477",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-01T02:34:01Z",
    "title_canon_sha256": "162bfc39a1345845ee95a22a15f06306603937dabd04076a22a9062dbb7f5d17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0005",
    "kind": "arxiv",
    "version": 1
  }
}