Pith Number

pith:DVMECNLD

pith:2012:DVMECNLDC4UUXSCCURT3PAMTAH

not attested not anchored not stored refs pending

A remarkable long-term light curve, and deep, low-state spectroscopy: Swift & XMM-Newton monitoring of the NLS1 galaxy Mkn 335

A. C. Fabian (U Cambridge), A. K. Pradhan (OSU), A. L. Longinotti (ESAC), D. Grupe (PSU), D. Xu (NAOC), L. C. Gallo (St. Mary's Univ.), M. Gruberbauer (St. Mary's Univ.), S. Komossa (TU Munich)

arxiv:1202.4692 v2 · 2012-02-21 · 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{DVMECNLDC4UUXSCCURT3PAMTAH}

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	2026-05-18T01:58:22.798480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d5841356317294bc842a467b7819301e98e2830c28bc0fde2c57fc6a3cd5f08

Aliases

arxiv: 1202.4692 · arxiv_version: 1202.4692v2 · doi: 10.48550/arxiv.1202.4692 · pith_short_12: DVMECNLDC4UU · pith_short_16: DVMECNLDC4UUXSCC · pith_short_8: DVMECNLD

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/DVMECNLDC4UUXSCCURT3PAMTAH \
  | 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: 1d5841356317294bc842a467b7819301e98e2830c28bc0fde2c57fc6a3cd5f08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ca6746881892cd1f364fe00047e33f32e201a4ae367e4a0fc661ce3865811ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-02-21T16:22:36Z",
    "title_canon_sha256": "cd4f8c9bf8c32a1326a8154d357b0d68f973759c6d041dd381ad56554123f869"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4692",
    "kind": "arxiv",
    "version": 2
  }
}