Pith Number

pith:URQ5RBBH

pith:2012:URQ5RBBH7W4GIG263CHDZLIIFZ

not attested not anchored not stored refs pending

Exploring X-ray and radio emission of type 1 AGN up to z ~ 2.3

F.J. Carrera (1) ((1) IFCA/CSIC-UC, F.J.H. Heras (1), L. Ballo (1), Spain), X. Barcons (1)

arxiv:1208.1716 v1 · 2012-08-08 · astro-ph.CO · 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{URQ5RBBH7W4GIG263CHDZLIIFZ}

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	2026-05-18T01:55:17.512404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a461d88427fdb8641b5ed88e3cad082e7daec1fff36998f62ede6ad2677efc55

Aliases

arxiv: 1208.1716 · arxiv_version: 1208.1716v1 · doi: 10.48550/arxiv.1208.1716 · pith_short_12: URQ5RBBH7W4G · pith_short_16: URQ5RBBH7W4GIG26 · pith_short_8: URQ5RBBH

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/URQ5RBBH7W4GIG263CHDZLIIFZ \
  | 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: a461d88427fdb8641b5ed88e3cad082e7daec1fff36998f62ede6ad2677efc55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8e1332dc2a30442ef9756c30a3d8ec570ae039bd4f3048fe8626c0786bcde37",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-08T17:25:28Z",
    "title_canon_sha256": "12ae6e60d9fd290a8ff5004249bc1215b63e78679684b8781c5c68e6451eefcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1716",
    "kind": "arxiv",
    "version": 1
  }
}