Pith Number

pith:AYBSVY62

pith:2023:AYBSVY62VWZOVPAFUDBIYHZ47F

not attested not anchored not stored refs pending

The MUSE Ultra Deep Field (MUDF). IV. A pair of X-ray weak quasars at the heart of two extended Ly{\alpha} nebulae

Celine Peroux, Elisabeta Lusso, Emanuele Nardini, Emma K. Lofthouse, Fabrizio Arrigoni Battaia, Francesco Haardt, Marc Rafelski, Matteo Fossati, Michele Fumagalli, Mitchell Revalski, Pratika Dayal, Stefano Cristiani, Valentina D'Odorico

arxiv:2308.12993 v2 · 2023-08-24 · 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{AYBSVY62VWZOVPAFUDBIYHZ47F}

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	2026-07-05T06:47:27.021944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06032ae3daadb2eabc05a0c28c1f3cf97b4f331c35f03a78525cc5085156989e

Aliases

arxiv: 2308.12993 · arxiv_version: 2308.12993v2 · doi: 10.48550/arxiv.2308.12993 · pith_short_12: AYBSVY62VWZO · pith_short_16: AYBSVY62VWZOVPAF · pith_short_8: AYBSVY62

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/AYBSVY62VWZOVPAFUDBIYHZ47F \
  | 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: 06032ae3daadb2eabc05a0c28c1f3cf97b4f331c35f03a78525cc5085156989e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dba9c59293864d2f6cc0a32d3a8ded3cfb033fece5c41d14fffe50cfef5e39fb",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-08-24T18:00:03Z",
    "title_canon_sha256": "a52155f711c6d13ee3ec4131ff48c4f5d37f17ea3a8f6cc0faf3d0daca36c98a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.12993",
    "kind": "arxiv",
    "version": 2
  }
}