Pith Number

pith:MGJSXR7X

pith:2011:MGJSXR7XEIFMQ75LHEOKCX3CUN

not attested not anchored not stored refs pending

The X-Ray Variability of a Large, Serendipitous Sample of Spectroscopic Quasars

Robert R. Gibson, W. N. Brandt

arxiv:1110.5341 v1 · 2011-10-24 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MGJSXR7XEIFMQ75LHEOKCX3CUN}

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.

Cited by

1 paper in Pith

Strong X-ray Variability of I Zwicky 1: Obscuration from Clumpy Accretion-Disk Winds

Receipt and verification

First computed	2026-05-18T02:00:04.439024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61932bc7f7220ac87fab391ca15f62a34c2467faa9c7d6fbc48156e347c97603

Aliases

arxiv: 1110.5341 · arxiv_version: 1110.5341v1 · doi: 10.48550/arxiv.1110.5341 · pith_short_12: MGJSXR7XEIFM · pith_short_16: MGJSXR7XEIFMQ75L · pith_short_8: MGJSXR7X

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/MGJSXR7XEIFMQ75LHEOKCX3CUN \
  | 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: 61932bc7f7220ac87fab391ca15f62a34c2467faa9c7d6fbc48156e347c97603

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6d44f25708591da6c4075036c88f5a57f27b7d2687d13acfb2c79faecf61fed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-24T20:13:31Z",
    "title_canon_sha256": "076b6a7881442fa83daafb6f63828a3d82ad5593d6a190412806a8a1848b50b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5341",
    "kind": "arxiv",
    "version": 1
  }
}