Pith Number

pith:GQJPLSK6

pith:2009:GQJPLSK662HMWUJVUZ5LFZ7FS4

not attested not anchored not stored refs pending

A deep look at the inner regions of the mini-BAL QSO PG 1126-041 with XMM-Newton

C. Vignali, G. Chartas, G.G.C. Palumbo, M. Cappi, M. Eracleous, M. Giustini

arxiv:0912.0333 v1 · 2009-12-02 · astro-ph.CO · 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{GQJPLSK662HMWUJVUZ5LFZ7FS4}

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	2026-05-18T02:10:34.747092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3412f5c95ef68ecb5135a67ab2e7e5970cbf45b0c8926556481f15192c6b727a

Aliases

arxiv: 0912.0333 · arxiv_version: 0912.0333v1 · doi: 10.48550/arxiv.0912.0333 · pith_short_12: GQJPLSK662HM · pith_short_16: GQJPLSK662HMWUJV · pith_short_8: GQJPLSK6

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/GQJPLSK662HMWUJVUZ5LFZ7FS4 \
  | 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: 3412f5c95ef68ecb5135a67ab2e7e5970cbf45b0c8926556481f15192c6b727a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "188343b717861884e2197a124ceb7a07189eb05b7206535c17acebe1e3b94c4d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-02T04:20:51Z",
    "title_canon_sha256": "5648efb35f1b83b65d33b4b9387d586040e90a9c960b71cf6009e47dc7dd4d44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0333",
    "kind": "arxiv",
    "version": 1
  }
}