Pith Number

pith:NIEUTRPZ

pith:2012:NIEUTRPZBCURRM2KTQ23X2FBET

not attested not anchored not stored refs pending

Major Galaxy Mergers Only Trigger the Most Luminous AGN

B. D. Simmons (Yale/Oxford), Chile), C. M. Urry (Yale), E. Treister (U. de Concepcion, K. Schawinski (Yale/ETH)

arxiv:1209.5393 v1 · 2012-09-24 · 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{NIEUTRPZBCURRM2KTQ23X2FBET}

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	2026-05-18T01:54:19.367961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a0949c5f908a918b34a9c35bbe8a124c94e6d3c84b6df4d3ffb21bfe3ac8f57

Aliases

arxiv: 1209.5393 · arxiv_version: 1209.5393v1 · doi: 10.48550/arxiv.1209.5393 · pith_short_12: NIEUTRPZBCUR · pith_short_16: NIEUTRPZBCURRM2K · pith_short_8: NIEUTRPZ

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/NIEUTRPZBCURRM2KTQ23X2FBET \
  | 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: 6a0949c5f908a918b34a9c35bbe8a124c94e6d3c84b6df4d3ffb21bfe3ac8f57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4e3721c33f76c334619b5b5e3426cc9a8f4d30faaa736e7e8256cde80ea78e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-24T20:00:01Z",
    "title_canon_sha256": "49c34106a7fb22feb0e2042c14d666ea3af17e0ea6137a6c4bf8ae64173701e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5393",
    "kind": "arxiv",
    "version": 1
  }
}