Pith Number

pith:WJWFY74M

pith:2019:WJWFY74MWDIMJWD2O677QY6Q3Q

not attested not anchored not stored refs pending

Extremely Massive Quasars are not Good Proxies for Dense Environments Compared to Massive Galaxies: Environments of Extremely Massive Quasars and Galaxies

Byeong-Gon Park, Hyunsung David Jun, Minhee Hyun, Minjin Kim, Myungshin Im, Narae Hwang, Yongmin Yoon

arxiv:1901.02267 v1 · 2019-01-08 · 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{WJWFY74MWDIMJWD2O677QY6Q3Q}

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	2026-05-17T23:55:10.320135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b26c5c7f8cb0d0c4d87a77bff863d0dc366c658a4321214f5a3279fd512c8f51

Aliases

arxiv: 1901.02267 · arxiv_version: 1901.02267v1 · doi: 10.48550/arxiv.1901.02267 · pith_short_12: WJWFY74MWDIM · pith_short_16: WJWFY74MWDIMJWD2 · pith_short_8: WJWFY74M

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/WJWFY74MWDIMJWD2O677QY6Q3Q \
  | 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: b26c5c7f8cb0d0c4d87a77bff863d0dc366c658a4321214f5a3279fd512c8f51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "408960e6abf22da7dc4e2cea4e88fa17c09d28a2e4730ee6d86acc7a54b6c986",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-08T11:51:51Z",
    "title_canon_sha256": "1ea43aeb582cbaba41b8f49abcbba4101cb4c4df0ba920eeb619e0d3e27019a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02267",
    "kind": "arxiv",
    "version": 1
  }
}