Pith Number

pith:CXIYADWS

pith:2010:CXIYADWS7N23GATAEXDAMB3BFQ

not attested not anchored not stored refs pending

A Redshift for the Intermediate Mass Black Hole Candidate HLX-1: Confirmation of its Association with the Galaxy ESO 243-49

(2) CESR, 3), 3) ((1) University of Leicester, (3) CNRS, (4) Harvard-Smithsonian Center for Astrophysics, (5) University of Southampton, Didier Barret (2, France, Klaas Wiersema (1), Mathieu Servillat (4), Natalie A. Webb (2, Olivier Godet (2, Sean A. Farrell (1), Thomas J. Maccarone (5), UK, UK), USA

arxiv:1008.4125 v1 · 2010-08-24 · astro-ph.HE · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CXIYADWS7N23GATAEXDAMB3BFQ}

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	2026-05-18T02:05:43.160917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15d1800ed2fb75b3026025c60607612c30067c2942234ce46253f387e943c2c1

Aliases

arxiv: 1008.4125 · arxiv_version: 1008.4125v1 · doi: 10.48550/arxiv.1008.4125 · pith_short_12: CXIYADWS7N23 · pith_short_16: CXIYADWS7N23GATA · pith_short_8: CXIYADWS

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/CXIYADWS7N23GATAEXDAMB3BFQ \
  | 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: 15d1800ed2fb75b3026025c60607612c30067c2942234ce46253f387e943c2c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ee4db8292959bc66e3972191b95338bb4334feebd45fd9cf31ae4f550dfda17",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-08-24T20:00:00Z",
    "title_canon_sha256": "e299fbfdefa1ab861c552263647b8acceb7230d08719d17441d6f7a6ff7258f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4125",
    "kind": "arxiv",
    "version": 1
  }
}