Pith Number

pith:HKJXRW3Z

pith:2026:HKJXRW3ZE3HU7V3SC3NX4HILYP

not attested not anchored not stored refs pending

Quiescent Host Galaxies of Extended Quasars Revealed by Spectrophotometric Decomposition

Aaron Meisner, Andrew Lambert, Axel de la Macorra, Benjamin Alan Weaver, David Brooks, David Schlegel, David Sprayberry, Enrique Gazta\~naga, Eusebio Sanchez, Gaocheng Yin, Gaston Gutierrez, Gregory Tarl\'{e}, Hee-Jong Seo, Ignasi P\'erez-R\'afols, John Moustakas, Linhua Jiang, Ma\l gorzata Siudek, Mar Mezcua, Martin Landriau, Michael Schubnell, Peter Doel, Ramon Miquel, Rongpu Zhou, Shengxiu Sun, Steven Ahlen, Swayamtrupta Panda, Theodore Kisner, Todd Claybaugh, Wei-Jian Guo, Zhiwei Pan

arxiv:2607.28732 v1 · 2026-07-30 · astro-ph.GA · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HKJXRW3ZE3HU7V3SC3NX4HILYP}

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	2026-08-03T00:12:31.125021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a9378db7926cf4fd77216db7e1d0bc3d5c76c2a924aa15713dbf4c355d20f77

Aliases

arxiv: 2607.28732 · arxiv_version: 2607.28732v1 · doi: 10.48550/arxiv.2607.28732 · pith_short_12: HKJXRW3ZE3HU · pith_short_16: HKJXRW3ZE3HU7V3S · pith_short_8: HKJXRW3Z

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/HKJXRW3ZE3HU7V3SC3NX4HILYP \
  | 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: 3a9378db7926cf4fd77216db7e1d0bc3d5c76c2a924aa15713dbf4c355d20f77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20fd3499fb6fe2f693e5c80dd365079086b1702ca96ad33f0dd425ddbf801df9",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-30T18:00:08Z",
    "title_canon_sha256": "a86e49c2c52378a222c75a70292d6fe949396c4be715d0f5525b6444264e111e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28732",
    "kind": "arxiv",
    "version": 1
  }
}