Pith Number

pith:Z7KWFL52

pith:2023:Z7KWFL525EZFCDEZGQSDLWCZJ7

not attested not anchored not stored refs pending

Identifying Active Galactic Nuclei at $z\sim3$ from the HETDEX Survey Using Machine Learning

Chenxu Liu, Daniel Farrow, Daniel Mock, Donald Schneider, Eric Gawiser, Erin Mentuch Cooper, Gene C. K. Leung, Gregory Zeimann, Karl Gebhardt, Leah Morabito, Steven Finkelstein, Valentina Tardugno Poleo

arxiv:2302.11092 v1 · 2023-02-22 · 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{Z7KWFL525EZFCDEZGQSDLWCZJ7}

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	2026-07-05T05:55:51.358830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfd562afbae932510c99342435d8594fec9724116025ed4628dba13a6de0b1f0

Aliases

arxiv: 2302.11092 · arxiv_version: 2302.11092v1 · doi: 10.48550/arxiv.2302.11092 · pith_short_12: Z7KWFL525EZF · pith_short_16: Z7KWFL525EZFCDEZ · pith_short_8: Z7KWFL52

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/Z7KWFL525EZFCDEZGQSDLWCZJ7 \
  | 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: cfd562afbae932510c99342435d8594fec9724116025ed4628dba13a6de0b1f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35963b9e8407ec5388bf4122db9ea7e5f7563e6699a25c4e18d400fa6cdd7f32",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-02-22T02:16:41Z",
    "title_canon_sha256": "3d8a7648301bbb099a5d6b7776221e51364a531caa8fe316a722be1537acb28f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.11092",
    "kind": "arxiv",
    "version": 1
  }
}