Pith Number

pith:5PZOUOGY

pith:2012:5PZOUOGY3ATV5HZ6JPHNQ7WQG7

not attested not anchored not stored refs pending

Insights on the X-ray weak quasar phenomenon from XMM-Newton monitoring of PHL 1092

A. C. Fabian, D. P. Schneider, G. Miniutti, L. C. Gallo, Th. Boller, W. N. Brandt

arxiv:1207.0694 v1 · 2012-07-03 · astro-ph.HE · 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{5PZOUOGY3ATV5HZ6JPHNQ7WQG7}

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	2026-05-18T01:56:35.320048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebf2ea38d8d8275e9f3e4bced87ed037f2f098f240b0bfd1caa4ae046b68bc44

Aliases

arxiv: 1207.0694 · arxiv_version: 1207.0694v1 · doi: 10.48550/arxiv.1207.0694 · pith_short_12: 5PZOUOGY3ATV · pith_short_16: 5PZOUOGY3ATV5HZ6 · pith_short_8: 5PZOUOGY

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/5PZOUOGY3ATV5HZ6JPHNQ7WQG7 \
  | 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: ebf2ea38d8d8275e9f3e4bced87ed037f2f098f240b0bfd1caa4ae046b68bc44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08de8f452bb18eef497bc5cc699cff41ab86bde1c123d0aa75fa5c6dd120be91",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-07-03T14:31:07Z",
    "title_canon_sha256": "ef9bad349a1772f69bb0f8b398318d8732bd64584b481006102d3f1a83dbdfb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0694",
    "kind": "arxiv",
    "version": 1
  }
}