Pith Number

pith:PK6CNMLU

pith:2025:PK6CNMLUPLDFZ4UBUKQYJQCPRO

not attested not anchored not stored refs pending

XMM/HST monitoring of the ultra-soft highly accreting Narrow Line Seyfert 1 RBS 1332

A. De Rosa, B. De Marco, F. G. Saturni, F. Ursini, G. A. Matzeu, G. Matt, M. Cappi, M. Clavel, M. Perri, P.-O. Petrucci, R. Middei, S. Barnier, S. Bianchi

arxiv:2501.09220 v1 · 2025-01-16 · 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{PK6CNMLUPLDFZ4UBUKQYJQCPRO}

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	2026-07-05T10:33:42.475792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7abc26b1747ac65cf281a2a184c04f8b8f5cc0dea16f621effdfe06e44cfd2b3

Aliases

arxiv: 2501.09220 · arxiv_version: 2501.09220v1 · doi: 10.48550/arxiv.2501.09220 · pith_short_12: PK6CNMLUPLDF · pith_short_16: PK6CNMLUPLDFZ4UB · pith_short_8: PK6CNMLU

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/PK6CNMLUPLDFZ4UBUKQYJQCPRO \
  | 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: 7abc26b1747ac65cf281a2a184c04f8b8f5cc0dea16f621effdfe06e44cfd2b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "854524800996ef208e066702778d02830f5265280a59d6a1405f049fa9d744e9",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-01-16T00:42:41Z",
    "title_canon_sha256": "4f36d97315ac713756d77e74c5e6b18fc702f87d22cf1d2cb7ea889f933ea797"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.09220",
    "kind": "arxiv",
    "version": 1
  }
}