Pith Number

pith:H22MIP4E

pith:2011:H22MIP4EIK7WF2EUJE3JG2MX5M

not attested not anchored not stored refs pending

Markarian 6: shocking the environment of an intermediate Seyfert

Ananda Hota, Beatriz Mingo, Daniel A. Evans, Judith H. Croston, Martin J. Hardcastle, Preeti Kharb, Ralph P. Kraft

arxiv:1101.6000 v1 · 2011-01-31 · 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{H22MIP4EIK7WF2EUJE3JG2MX5M}

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	2026-05-18T04:25:48.657648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3eb4c43f8442bf62e8944936936997eb14a095f4f0204f1ce8b00749e621b162

Aliases

arxiv: 1101.6000 · arxiv_version: 1101.6000v1 · doi: 10.48550/arxiv.1101.6000 · pith_short_12: H22MIP4EIK7W · pith_short_16: H22MIP4EIK7WF2EU · pith_short_8: H22MIP4E

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/H22MIP4EIK7WF2EUJE3JG2MX5M \
  | 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: 3eb4c43f8442bf62e8944936936997eb14a095f4f0204f1ce8b00749e621b162

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b5d3152d14aea85a35695c8b4a5698b9cd0a1992071d44a1dead56872f6afe3",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-31T15:56:07Z",
    "title_canon_sha256": "e3a6cab9b3d56791c0015b0735e5aae0861ec964ffa0984a9ff464f87f9e7c7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.6000",
    "kind": "arxiv",
    "version": 1
  }
}