Pith Number

pith:77COBEEN

pith:2021:77COBEENMFTFF6JP22PNGWH5KF

not attested not anchored not stored refs pending

An XMM-Newton study of active-inactive galaxy pairs

(10) Obs. Roma, (11) Un. Bologna), (2) IASP/INAF, (3) Un. Roma Tre, (4) MPIA, (5) Georgia Institute of Technology, (6) MPIfR, (7) ESA/ESAC, (8) Joint Institute for VLBI, (9) IAA-CSIC, Alessandra De Rosa (2), Bernd Husemann (4), Cristian Vignali (11) ((1) ESA/ESTEC, Enrico Piconcelli (10), Matteo Guainazzi (1), Miguel Perez-Torres (9), Nora Loiseau (7), Stefanie Komossa (6), Stefano Bianchi (3), Tamara Bogdanovic (5), Zsolt Paragi (8)

arxiv:2103.09218 v1 · 2021-03-16 · 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{77COBEENMFTFF6JP22PNGWH5KF}

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	2026-07-05T02:27:44.703927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffc4e0908d616652f92fd69ed358fd514d5ff3d90f1f611450b413b12ec6fb65

Aliases

arxiv: 2103.09218 · arxiv_version: 2103.09218v1 · doi: 10.48550/arxiv.2103.09218 · pith_short_12: 77COBEENMFTF · pith_short_16: 77COBEENMFTFF6JP · pith_short_8: 77COBEEN

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/77COBEENMFTFF6JP22PNGWH5KF \
  | 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: ffc4e0908d616652f92fd69ed358fd514d5ff3d90f1f611450b413b12ec6fb65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eaea03a3d7c6a1469079aab274201ced06628e664f1961aaa2347e24e1a92f4",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-03-16T17:45:09Z",
    "title_canon_sha256": "57621c09ed5669cecd2ebe820c53d56b4f6b9b80e78abe7a9873a709e170a258"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.09218",
    "kind": "arxiv",
    "version": 1
  }
}