Pith Number

pith:5SMJDF4I

pith:2011:5SMJDF4I7HLM5XFLY7LNQXVEZA

not attested not anchored not stored refs pending

The Magellanic Quasars Survey. II. Confirmation of 144 New Active Galactic Nuclei Behind the Southern Edge of the Large Magellanic Cloud

(2) Department of Astronomy, 3), (3) Center for Cosmology, 4), (4) Departamento de Fisica, 5), (5) Institute of Astronomy, A. M. Jacyszyn (1), AstroParticle Physics, A. Udalski (1), Chile, C. S. Kochanek (2, G. Pietrzynski (1, I. Soszynski (1), K. Ulaczyk (1), L. Wyrzykowski (1, M. K. Szymanski (1), M. Kubiak (1), Poland, P. Pietrukowicz (1) ((1) Warsaw University Observatory, R. Poleski (1), Szymon Kozlowski (1), The Ohio State University, UK), Universidad de Concepcion, University of Cambridge, USA

arxiv:1106.3110 v2 · 2011-06-15 · 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{5SMJDF4I7HLM5XFLY7LNQXVEZA}

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	2026-05-18T02:01:36.586872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec98919788f9d6cedcabc7d6d85ea4c832ceeb89e2a4ed29bb15902e3b79b91d

Aliases

arxiv: 1106.3110 · arxiv_version: 1106.3110v2 · doi: 10.48550/arxiv.1106.3110 · pith_short_12: 5SMJDF4I7HLM · pith_short_16: 5SMJDF4I7HLM5XFL · pith_short_8: 5SMJDF4I

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/5SMJDF4I7HLM5XFLY7LNQXVEZA \
  | 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: ec98919788f9d6cedcabc7d6d85ea4c832ceeb89e2a4ed29bb15902e3b79b91d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d889e505a5ac25ebe5f0e68322eba40bac11a9d65598cf0775cd99072941821",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-15T22:00:05Z",
    "title_canon_sha256": "3da91f4b007e8df78e5050e5908c5ac1d6aa3bf828c1c7dd7d34c5e7f036c018"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3110",
    "kind": "arxiv",
    "version": 2
  }
}