Pith Number

pith:YG3WDENK

pith:2011:YG3WDENKJ4K2MIIKAFOMOJKSF6

not attested not anchored not stored refs pending

The Magellanic Quasars Survey. I. Doubling the Number of Known AGNs Behind the Small Magellanic Cloud

2), (2) The Ohio State University, 3), (3) Center for Cosmology, Andrzej Udalski (1) ((1) Warsaw University Observatory, Astroparticle Physics), Christopher S. Kochanek (2, Szymon Kozlowski (1

arxiv:1102.0703 v1 · 2011-02-03 · 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{YG3WDENKJ4K2MIIKAFOMOJKSF6}

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	2026-05-18T02:03:17.113341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1b76191aa4f15a6210a015cc725522fb106dbb777dda89a9bd355742359ed87

Aliases

arxiv: 1102.0703 · arxiv_version: 1102.0703v1 · doi: 10.48550/arxiv.1102.0703 · pith_short_12: YG3WDENKJ4K2 · pith_short_16: YG3WDENKJ4K2MIIK · pith_short_8: YG3WDENK

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/YG3WDENKJ4K2MIIKAFOMOJKSF6 \
  | 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: c1b76191aa4f15a6210a015cc725522fb106dbb777dda89a9bd355742359ed87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31e1d9426e7581c89e9765a2e4fd3f8981017bbe65bdb162c55008d0fc2821dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-03T15:26:56Z",
    "title_canon_sha256": "06563ab489372960c0abb0acbb24262ba162df89b476d720573d58073ed3609e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0703",
    "kind": "arxiv",
    "version": 1
  }
}