Pith Number

pith:DJRKERZC

pith:2021:DJRKERZCCHLWSEUUVVSZC7BXHX

not attested not anchored not stored refs pending

The Sizes of Quasar Host Galaxies with the Hyper Suprime-Cam Subaru Strategic Program

Andy Goulding, Hassen M. Yesuf, John D. Silverman, Junyao Li, Kohei Inayoshi, Lalitwadee Kawinwanichakij, Malte Schramm, Michael A. Strauss, Simon Birrer, Tohru Nagao, Xuheng Ding, Yongquan Xue, Yoshiki Matsuoka, Yoshiki Toba

arxiv:2105.06568 v1 · 2021-05-13 · 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{DJRKERZCCHLWSEUUVVSZC7BXHX}

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	2026-07-05T03:12:05.029812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a62a2472211d7691294ad65917c373dc852469c0e0a25162ec6972fc9b05f88

Aliases

arxiv: 2105.06568 · arxiv_version: 2105.06568v1 · doi: 10.48550/arxiv.2105.06568 · pith_short_12: DJRKERZCCHLW · pith_short_16: DJRKERZCCHLWSEUU · pith_short_8: DJRKERZC

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/DJRKERZCCHLWSEUUVVSZC7BXHX \
  | 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: 1a62a2472211d7691294ad65917c373dc852469c0e0a25162ec6972fc9b05f88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2375ec41777c7b75c22d265309a3c95e0501f00c0a54bb15d172d2edfba217af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-05-13T22:08:35Z",
    "title_canon_sha256": "1cb1b3baaf36c15051a0952c2bff99f43ad03bf7cb94fc4503106bb68f8c9e44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.06568",
    "kind": "arxiv",
    "version": 1
  }
}