Pith Number

pith:NIZHH5XC

pith:2019:NIZHH5XCCVSWAUUGKGOWPHOQVC

not attested not anchored not stored refs pending

The Activation of Galactic Nuclei and Their Accretion Rates are Linked to the Star Formation Rates and Bulge-types of Their Host Galaxies

David C. Koo, Hassen M. Yesuf, Joanna Woo, Joel R. Primack, S. M. Faber, Yifei Luo

arxiv:1912.03633 v1 · 2019-12-08 · 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{NIZHH5XCCVSWAUUGKGOWPHOQVC}

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.

Cited by

1 paper in Pith

Structural and Stellar Population Properties vs. Bulge Types in Sloan Digital Sky Survey Central Galaxies

Receipt and verification

First computed	2026-07-05T00:38:09.105995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a3273f6e21565605286519d679dd0a899e31bd756524cc1d8bb7ba4541dc8f3

Aliases

arxiv: 1912.03633 · arxiv_version: 1912.03633v1 · doi: 10.48550/arxiv.1912.03633 · pith_short_12: NIZHH5XCCVSW · pith_short_16: NIZHH5XCCVSWAUUG · pith_short_8: NIZHH5XC

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/NIZHH5XCCVSWAUUGKGOWPHOQVC \
  | 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: 6a3273f6e21565605286519d679dd0a899e31bd756524cc1d8bb7ba4541dc8f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d5d67bda76cf026a7970a4985d0b1b5dc60b41155fa2c93a98828ebb827cf77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-12-08T07:30:59Z",
    "title_canon_sha256": "f3cc928f7b1c92c0e95d43ebf607e21d27ecdb91b220451c100c5d1a9ba6ea5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.03633",
    "kind": "arxiv",
    "version": 1
  }
}