Pith Number

pith:NVVOS56A

pith:2020:NVVOS56AKFI7YXYPO5VVFXJEXM

not attested not anchored not stored refs pending

XMM-Newton observations of the extremely X-ray luminous quasar CFHQS J142952+544717=SRGE J142952.1+544716 at redshift z=6.18

M. Gilfanov, N. Schartel, P. Medvedev, R. Sunyaev, S. Sazonov

arxiv:2011.13724 v2 · 2020-11-27 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NVVOS56AKFI7YXYPO5VVFXJEXM}

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	2026-07-05T02:32:14.174674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d6ae977c05151fc5f0f776b52dd24bb03712c920f21b9522bf4a615ea63fe30

Aliases

arxiv: 2011.13724 · arxiv_version: 2011.13724v2 · doi: 10.48550/arxiv.2011.13724 · pith_short_12: NVVOS56AKFI7 · pith_short_16: NVVOS56AKFI7YXYP · pith_short_8: NVVOS56A

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/NVVOS56AKFI7YXYPO5VVFXJEXM \
  | 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: 6d6ae977c05151fc5f0f776b52dd24bb03712c920f21b9522bf4a615ea63fe30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c876a861d3ee18935f1851001dc72d10fa41ad03168758d3bd72e699017adb17",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-11-27T13:14:29Z",
    "title_canon_sha256": "0a075dde95e6e1c95fe72f63f827367028d170d873b0b0dbde867c4ec8e94104"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.13724",
    "kind": "arxiv",
    "version": 2
  }
}