Pith Number

pith:QRIA5KMX

pith:2022:QRIA5KMXVX7PH2LM2WLJZEANPS

not attested not anchored not stored refs pending

X-ray emission from a rapidly accreting narrow-line Seyfert 1 galaxy at z=6.56

Andrea Merloni, Francesco di Mille, Johannes Buchner, Julien Wolf, Kirpal Nandra, Mara Salvato, Marcella Brusa, Masafusa Onoue, Nobunari Kashikawa, Riccardo Arcodia, Rikako Ishimoto, Sophia Waddell, Stefano Ciroi, Tanya Urrutia, Teng Liu, Vadim Burwitz, Yoshiki Matsuoka

arxiv:2211.13820 v1 · 2022-11-24 · astro-ph.HE · 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{QRIA5KMXVX7PH2LM2WLJZEANPS}

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	2026-07-05T05:35:29.433271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84500ea997adfef3e96cd5969c900d7c87455d5800da5d605fce220e558ba584

Aliases

arxiv: 2211.13820 · arxiv_version: 2211.13820v1 · doi: 10.48550/arxiv.2211.13820 · pith_short_12: QRIA5KMXVX7P · pith_short_16: QRIA5KMXVX7PH2LM · pith_short_8: QRIA5KMX

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/QRIA5KMXVX7PH2LM2WLJZEANPS \
  | 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: 84500ea997adfef3e96cd5969c900d7c87455d5800da5d605fce220e558ba584

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "618749a4739973c07a97d1544ea7042e5da10bb94fe82b471aa12ff49fd2a76a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-11-24T23:11:14Z",
    "title_canon_sha256": "db954f56a77d2865480eb27b9b80b7cb533a5eeb309e66faeb0e454912c2f499"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.13820",
    "kind": "arxiv",
    "version": 1
  }
}