Pith Number

pith:AAU6FTZX

pith:2011:AAU6FTZXAHH4BFCCUHBGLVZUCA

not attested not anchored not stored refs pending

Detecting Quasars in Large-Scale Astronomical Surveys

Andreas Thom, Dominik Bomanns, Fabian Gieseke, Jan Vahrenhold, Kai Lars Polsterer, Oliver Kramer, Peter-Christian Zinn, Ralf-J\"urgen Dettmar

arxiv:1108.4696 v1 · 2011-08-23 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AAU6FTZXAHH4BFCCUHBGLVZUCA}

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	2026-05-18T00:57:57.246276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0029e2cf3701cfc09442a1c265d734103c6c4a92fd7f77c39845533fce636a23

Aliases

arxiv: 1108.4696 · arxiv_version: 1108.4696v1 · doi: 10.48550/arxiv.1108.4696 · pith_short_12: AAU6FTZXAHH4 · pith_short_16: AAU6FTZXAHH4BFCC · pith_short_8: AAU6FTZX

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/AAU6FTZXAHH4BFCCUHBGLVZUCA \
  | 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: 0029e2cf3701cfc09442a1c265d734103c6c4a92fd7f77c39845533fce636a23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dfa81124e87deb7eb26465afc883a01870abe7ed5a2f575d1b90d7997ac338a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-08-23T20:13:51Z",
    "title_canon_sha256": "163e6d0529dc9725c3e06309442616a6e486f5dc5ac9773e622099d860215da2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4696",
    "kind": "arxiv",
    "version": 1
  }
}