Pith Number

pith:ZM3XKRRG

pith:2019:ZM3XKRRGGZSGNRWS4V3UVL7O5M

not attested not anchored not stored refs pending

The Host-Galaxy Properties of Type 1 Versus Type 2 Active Galactic Nuclei

Fan Zou, Guang Yang, William N. Brandt, Yongquan Xue

arxiv:1904.13286 v1 · 2019-04-30 · 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{ZM3XKRRGGZSGNRWS4V3UVL7O5M}

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	2026-05-17T23:43:34.430910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb37754626366466c6d2e5774aafeeeb1e912e40b8672189319167a90b01c18e

Aliases

arxiv: 1904.13286 · arxiv_version: 1904.13286v1 · doi: 10.48550/arxiv.1904.13286 · pith_short_12: ZM3XKRRGGZSG · pith_short_16: ZM3XKRRGGZSGNRWS · pith_short_8: ZM3XKRRG

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/ZM3XKRRGGZSGNRWS4V3UVL7O5M \
  | 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: cb37754626366466c6d2e5774aafeeeb1e912e40b8672189319167a90b01c18e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ba6ee87e1fafe8542b8ae7f001a1ea3357c2e59770dacca884fb3f50d80b191",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-30T14:50:49Z",
    "title_canon_sha256": "dc3d979d97b1036577d0a3ca1b867272dc77e633b011f9552b8cd3a6a80836f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.13286",
    "kind": "arxiv",
    "version": 1
  }
}