Pith Number

pith:2MKIWNVV

pith:2025:2MKIWNVVQFNFKGI7T5NEILILE3

not attested not anchored not stored refs pending

Estimating Bolometric Luminosities of Type 1 Quasars with Self-Organizing Maps

Jie Chen, Linhua Jiang, Mouyuan Sun, Shengxiu Sun, Zijian Zhang

arxiv:2506.04329 v2 · 2025-06-04 · astro-ph.CO · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2MKIWNVVQFNFKGI7T5NEILILE3}

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	2026-07-05T11:45:58.616960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3148b36b5815a55191f9f5a442d0b26f661056d792514a914b5a06db4f52941

Aliases

arxiv: 2506.04329 · arxiv_version: 2506.04329v2 · doi: 10.48550/arxiv.2506.04329 · pith_short_12: 2MKIWNVVQFNF · pith_short_16: 2MKIWNVVQFNFKGI7 · pith_short_8: 2MKIWNVV

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/2MKIWNVVQFNFKGI7T5NEILILE3 \
  | 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: d3148b36b5815a55191f9f5a442d0b26f661056d792514a914b5a06db4f52941

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0de0cd8268283e2da489df9c778fcbc22b733d29e1739f9678b2241258a844fc",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-06-04T18:00:04Z",
    "title_canon_sha256": "98d0ebacdb4a2454cac924d556a7b8a893517b9c0c8be7b75094b0d56a67e401"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.04329",
    "kind": "arxiv",
    "version": 2
  }
}