Pith Number

pith:OWP5P3O4

pith:2011:OWP5P3O4DYQNDPUJGNJ3LCTPDK

not attested not anchored not stored refs pending

Variable X-ray absorption in the mini-broad absorption line quasar PG 1126-041

Cristian Vignali, Daniel Proga, Francesco Tombesi, Gabriele Ponti, George Chartas, Giorgio G.C. Palumbo, Margherita Giustini, Massimo Cappi, Mauro Dadina, Mike Eracleous

arxiv:1112.3750 v1 · 2011-12-16 · 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{OWP5P3O4DYQNDPUJGNJ3LCTPDK}

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	2026-05-18T04:06:08.890444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

759fd7eddc1e20d1be893353b58a6f1a86ed7ef08073f87c31e71965bc731bd5

Aliases

arxiv: 1112.3750 · arxiv_version: 1112.3750v1 · doi: 10.48550/arxiv.1112.3750 · pith_short_12: OWP5P3O4DYQN · pith_short_16: OWP5P3O4DYQNDPUJ · pith_short_8: OWP5P3O4

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/OWP5P3O4DYQNDPUJGNJ3LCTPDK \
  | 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: 759fd7eddc1e20d1be893353b58a6f1a86ed7ef08073f87c31e71965bc731bd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d7ddc467b71b70c27e40663955b63c4c1786aac68f606cf6daef3ebd947a54d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-16T10:18:22Z",
    "title_canon_sha256": "97f3e98d19b0f01a4666ed1daa03f19449cb2c3c2fa4fd5126631642b7c78da5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3750",
    "kind": "arxiv",
    "version": 1
  }
}