Pith Number

pith:Z6MSR745

pith:2019:Z6MSR745M2YMUV6GORHS7N2MLW

not attested not anchored not stored refs pending

First Hard X-ray Observation of a Compact Symmetric Object: A Broadband X-ray Study of a radio galaxy OQ+208 with NuSTAR and Chandra

Aneta Siemiginowska, Giulia Migliori, Luisa Ostorero, Lukasz Stawarz, Malgosia Sobolewska, Martin Hardcastle, Matteo Guainazzi

arxiv:1909.02084 v1 · 2019-09-04 · 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{Z6MSR745M2YMUV6GORHS7N2MLW}

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

The long-term optical flux variations of Compact Symmetric Objects

Receipt and verification

First computed	2026-07-05T00:17:13.515494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf9928ff9d66b0ca57c6744f2fb74c5d8d6e55e5aea2d10b8a0e574c1508667b

Aliases

arxiv: 1909.02084 · arxiv_version: 1909.02084v1 · doi: 10.48550/arxiv.1909.02084 · pith_short_12: Z6MSR745M2YM · pith_short_16: Z6MSR745M2YMUV6G · pith_short_8: Z6MSR745

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/Z6MSR745M2YMUV6GORHS7N2MLW \
  | 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: cf9928ff9d66b0ca57c6744f2fb74c5d8d6e55e5aea2d10b8a0e574c1508667b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da7090cb1b409becfc054385c0ba70bac7030277b732fcf0e585cdac24b92a63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-09-04T20:14:43Z",
    "title_canon_sha256": "4831dc21d968dde51bc033ce745319506510b9cafb65aacb0c945270bd212536"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02084",
    "kind": "arxiv",
    "version": 1
  }
}