Pith Number

pith:CLY33PNZ

pith:2012:CLY33PNZLQD2DDX3CFFN5CJ22G

not attested not anchored not stored refs pending

The X-ray variability history of Markarian 3

(2) INAF-IASF, (3) CSIC-INTA, A.L.Longinotti (1) ((1) ESA-ESAC, A.Segreto (2), E, E), G.Miniutti (3), I, M.Guainazzi (1), Palermo, Villanueva de la Canada, V.La Parola (2)

arxiv:1209.0706 v1 · 2012-09-04 · 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{CLY33PNZLQD2DDX3CFFN5CJ22G}

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	2026-05-18T01:23:39.263616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12f1bdbdb95c07a18efb114ade893ad1aaa49c729f07abf7955cc44bf591db01

Aliases

arxiv: 1209.0706 · arxiv_version: 1209.0706v1 · doi: 10.48550/arxiv.1209.0706 · pith_short_12: CLY33PNZLQD2 · pith_short_16: CLY33PNZLQD2DDX3 · pith_short_8: CLY33PNZ

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/CLY33PNZLQD2DDX3CFFN5CJ22G \
  | 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: 12f1bdbdb95c07a18efb114ade893ad1aaa49c729f07abf7955cc44bf591db01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6b1dce404b73417b7c57d4d6e408a6dda7c02dda0e482706912293683e1092b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-04T17:13:41Z",
    "title_canon_sha256": "74430251eabda4dced83edd51646d05abf553eb2d93bcd1229e44142709d5fce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0706",
    "kind": "arxiv",
    "version": 1
  }
}