Pith Number

pith:JRKZ4GK4

pith:2014:JRKZ4GK4GBWKTLBJOFXXHHBCNN

not attested not anchored not stored refs pending

The XMM-Newton Bright Survey sample of absorbed quasars: X-ray and accretion properties

(2) Universita' degli Studi di Bologna, 3), (3) INAF-OAB, (4) IFCA (CSIC-UC), (5) NOA, A. Caccianiga (1), A. Corral (5), C. Vignali (2, F.J. Carrera (4), Greece), Italy, L. Ballo (1), P. Severgnini (1), R. Della Ceca (1), S. Mateos (4) ((1) INAF-OABrera, Spain

arxiv:1408.7037 v1 · 2014-08-29 · 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{JRKZ4GK4GBWKTLBJOFXXHHBCNN}

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	2026-05-18T01:42:11.817441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c559e195c306ca9ac29716f739c226b6d59fb00e86d4dd9e7421680ecb1e9ca

Aliases

arxiv: 1408.7037 · arxiv_version: 1408.7037v1 · doi: 10.48550/arxiv.1408.7037 · pith_short_12: JRKZ4GK4GBWK · pith_short_16: JRKZ4GK4GBWKTLBJ · pith_short_8: JRKZ4GK4

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/JRKZ4GK4GBWKTLBJOFXXHHBCNN \
  | 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: 4c559e195c306ca9ac29716f739c226b6d59fb00e86d4dd9e7421680ecb1e9ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f20f279cede593c8b823dfab782f02a1e35b864bb55f84a32bd34764449cc880",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-08-29T14:37:25Z",
    "title_canon_sha256": "2efe044cff53d00954342f7ad815647c86d90593c1e3123b014867ad2888e953"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.7037",
    "kind": "arxiv",
    "version": 1
  }
}