Pith Number

pith:HHAG5TP7

pith:2016:HHAG5TP7BUFCA6AIKSCLFOZSL5

not attested not anchored not stored refs pending

Active Galactic Nuclei from HeII: a more complete census of AGN in SDSS galaxies yields a new population of low-luminosity AGN in highly star-forming galaxies

Anna K. Weigel, Kevin Schawinski, Kyuseok Oh, Lia F. Sartori, Michael Koss, Rudolf B\"ar

arxiv:1612.04815 v1 · 2016-12-14 · 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{HHAG5TP7BUFCA6AIKSCLFOZSL5}

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.

Cited by

1 paper in Pith

Multiphase images of a powerful supernova-driven wind in the early Universe

Receipt and verification

First computed	2026-05-18T00:52:13.145106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39c06ecdff0d0a2078085484b2bb325f7e086c67468737d8780fac6a5791f105

Aliases

arxiv: 1612.04815 · arxiv_version: 1612.04815v1 · doi: 10.48550/arxiv.1612.04815 · pith_short_12: HHAG5TP7BUFC · pith_short_16: HHAG5TP7BUFCA6AI · pith_short_8: HHAG5TP7

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/HHAG5TP7BUFCA6AIKSCLFOZSL5 \
  | 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: 39c06ecdff0d0a2078085484b2bb325f7e086c67468737d8780fac6a5791f105

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3b44977bd16b1e2532acf8d17ddf90b9e5798ceaf22d69934da72f837754d81",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-14T21:00:00Z",
    "title_canon_sha256": "6a7435e80adc3be89807eccc8252280f7cb8a2b3a3654ad2d6fa6554b3e6b323"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04815",
    "kind": "arxiv",
    "version": 1
  }
}