Pith Number

pith:ZMNMYQWQ

pith:2013:ZMNMYQWQC7U74IU3BLYDIOOKBY

not attested not anchored not stored refs pending

The XMM-Newton spectrum of a candidate recoiling supermassive black hole: an elusive inverted P-Cygni profile

A. Comastri, A. Fruscione, C. Vignali, E. Costantini, E. Piconcelli, F. Civano, G. Lanzuisi, K. Jahnke, M. Brusa, M. Elvis, N. Cappelluti, R. Hickox, S. Komossa, S. Marchesi, V. Mainieri

arxiv:1310.1399 v1 · 2013-10-04 · astro-ph.HE · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZMNMYQWQC7U74IU3BLYDIOOKBY}

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	2026-05-18T01:47:14.976263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb1acc42d017e9fe229b0af03439ca0e0e3f02570bcb1b8b1950031ed828baeb

Aliases

arxiv: 1310.1399 · arxiv_version: 1310.1399v1 · doi: 10.48550/arxiv.1310.1399 · pith_short_12: ZMNMYQWQC7U7 · pith_short_16: ZMNMYQWQC7U74IU3 · pith_short_8: ZMNMYQWQ

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/ZMNMYQWQC7U74IU3BLYDIOOKBY \
  | 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: cb1acc42d017e9fe229b0af03439ca0e0e3f02570bcb1b8b1950031ed828baeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f00ba3904d6ece406bfd50c56ce5587fc3d15e19f7ab61f65faf5311a699d6f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-10-04T20:00:13Z",
    "title_canon_sha256": "f15bcfe15872e8683dc079473005718227c84d88318bdd0e983e4302f00f8b35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1399",
    "kind": "arxiv",
    "version": 1
  }
}