pith. sign in
Pith Number

pith:CKT4KDPN

pith:2018:CKT4KDPN5A2ML5REM4CRTKMC3S
not attested not anchored not stored refs pending

Resolving the Powerful Radio-loud Quasar at z~6

B. Venemans, C. Carilli, E. Banados, E. Momjian, F. Walter

arxiv:1807.02560 v1 · 2018-07-06 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CKT4KDPN5A2ML5REM4CRTKMC3S}

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 2026-05-18T00:09:58.307387Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

12a7c50dede834c5f624670519a982dc85093f2e30f79d14182c758cf7885f38

Aliases

arxiv: 1807.02560 · arxiv_version: 1807.02560v1 · doi: 10.48550/arxiv.1807.02560 · pith_short_12: CKT4KDPN5A2M · pith_short_16: CKT4KDPN5A2ML5RE · pith_short_8: CKT4KDPN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CKT4KDPN5A2ML5REM4CRTKMC3S \
  | 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: 12a7c50dede834c5f624670519a982dc85093f2e30f79d14182c758cf7885f38
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "57898cd14eda0d5405f1aecbbc203ab194d2ab499e52f5ea6df5cbeeb4b6a66e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-06T20:36:27Z",
    "title_canon_sha256": "783c1bee39f9a292c71e263e304ac7c46ec8651afa00d97cd56f7f6949ee0437"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02560",
    "kind": "arxiv",
    "version": 1
  }
}