Pith Number

pith:C7JFLQ5J

pith:2026:C7JFLQ5JVTTYV2CVGMTH3NCBWQ

not attested not anchored not stored refs pending

Towards a consistent framework of determining active galactic nucleus contribution fraction and host galaxy properties

Antonio La Marca, Berta Margalef-Bentabol, Brivael Laloux, Katarzyna Ma{\l}ek, Lingyu Wang, Mi Chen

arxiv:2606.09413 v1 · 2026-06-08 · 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{C7JFLQ5JVTTYV2CVGMTH3NCBWQ}

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	2026-06-09T02:08:46.882213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17d255c3a9ace78ae85533267db441b4295f05c0246a1e66e557089499ac9566

Aliases

arxiv: 2606.09413 · arxiv_version: 2606.09413v1 · doi: 10.48550/arxiv.2606.09413 · pith_short_12: C7JFLQ5JVTTY · pith_short_16: C7JFLQ5JVTTYV2CV · pith_short_8: C7JFLQ5J

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/C7JFLQ5JVTTYV2CVGMTH3NCBWQ \
  | 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: 17d255c3a9ace78ae85533267db441b4295f05c0246a1e66e557089499ac9566

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8554a7f829d97ea41b4e1e795bb87bc245f8f57583a499bf6ad8064b4e949c24",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-08T12:27:34Z",
    "title_canon_sha256": "32b7f0b7b19a9a40253b9708a90e355152e328de491355f1eb93322005dce6dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09413",
    "kind": "arxiv",
    "version": 1
  }
}