Pith Number

pith:3KJTR5WC

pith:2025:3KJTR5WCXT57UTIN6TFHW6DBLH

not attested not anchored not stored refs pending

The BlueDOG at Cosmic Noon: A Possible Analog to Little Red Dots?

Hyunsung D. Jun, Minjin Kim, Seongjae Kim, Takao Nakagawa, Woong-Seob Jeong, Yujin Yang

arxiv:2508.19618 v1 · 2025-08-27 · 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{3KJTR5WCXT57UTIN6TFHW6DBLH}

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	2026-07-05T12:00:15.167204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da9338f6c2bcfbfa4d0df4ca7b786159cd95f05ba9f65c0a910471307cc7a36e

Aliases

arxiv: 2508.19618 · arxiv_version: 2508.19618v1 · doi: 10.48550/arxiv.2508.19618 · pith_short_12: 3KJTR5WCXT57 · pith_short_16: 3KJTR5WCXT57UTIN · pith_short_8: 3KJTR5WC

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/3KJTR5WCXT57UTIN6TFHW6DBLH \
  | 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: da9338f6c2bcfbfa4d0df4ca7b786159cd95f05ba9f65c0a910471307cc7a36e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8af4e9539f312dcabd69c18f44b54c6f64ca7fabc4c781d607dbac6a3ce8d935",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-08-27T06:51:40Z",
    "title_canon_sha256": "1d68ce046b4f04db09d5132629053c2d9a869dfef9e53ec30c8e01ff5ea175ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.19618",
    "kind": "arxiv",
    "version": 1
  }
}