Pith Number

pith:CKM2LLBS

pith:2019:CKM2LLBSXFTMQW63MXLPVDR4WD

not attested not anchored not stored refs pending

Where do quasar hosts lie with respect to the size-mass relation of galaxies?

Andreas Schulze, David B. Sanders, Jeyhan S. Kartaltepe, John D. Silverman, Knud Jahnke, Malte Schramm, Renyue Cen, Simon Birrer, Tommaso Treu, Vardha N. Bennert, Xuheng Ding

arxiv:1910.14242 v1 · 2019-10-31 · 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{CKM2LLBSXFTMQW63MXLPVDR4WD}

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	2026-07-05T00:31:28.988170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1299a5ac32b966c85bdb65d6fa8e3cb0e1a5337170918c02666aa16dfc25e797

Aliases

arxiv: 1910.14242 · arxiv_version: 1910.14242v1 · doi: 10.48550/arxiv.1910.14242 · pith_short_12: CKM2LLBSXFTM · pith_short_16: CKM2LLBSXFTMQW63 · pith_short_8: CKM2LLBS

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/CKM2LLBSXFTMQW63MXLPVDR4WD \
  | 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: 1299a5ac32b966c85bdb65d6fa8e3cb0e1a5337170918c02666aa16dfc25e797

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30f2a65ff7441d0b2583f8c34152e970dedf8ba1623ad1fa699ae26806c0be29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-10-31T03:43:14Z",
    "title_canon_sha256": "e09345e9d57010428a244dc29223de691b12d01f88989578a4d5e16ddf8e6fcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.14242",
    "kind": "arxiv",
    "version": 1
  }
}