Pith Number

pith:4S2EUQGC

pith:2012:4S2EUQGCDL5PANFJESUUACIGKU

not attested not anchored not stored refs pending

Is the observed high-frequency radio luminosity distribution of QSOs bimodal?

Elaine M. Sadler, Elizabeth K. Mahony, Ilana J. Feain, Ronald D. Ekers, Scott M. Croom, Tara Murphy

arxiv:1205.2233 v1 · 2012-05-10 · 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{4S2EUQGCDL5PANFJESUUACIGKU}

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	2026-05-18T01:57:33.966634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4b44a40c21afaf034a924a9400906550982ce7a4253e2e4258ca81c8297146e

Aliases

arxiv: 1205.2233 · arxiv_version: 1205.2233v1 · doi: 10.48550/arxiv.1205.2233 · pith_short_12: 4S2EUQGCDL5P · pith_short_16: 4S2EUQGCDL5PANFJ · pith_short_8: 4S2EUQGC

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/4S2EUQGCDL5PANFJESUUACIGKU \
  | 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: e4b44a40c21afaf034a924a9400906550982ce7a4253e2e4258ca81c8297146e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "921adc52c91c96b454261585160f098db87f6462b6db89937741b7f74676ef46",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-10T11:19:03Z",
    "title_canon_sha256": "b14a63d0df4bd93fab70f987f0631eb5900a38c54daca60d1f541d6b3336af1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2233",
    "kind": "arxiv",
    "version": 1
  }
}