Pith Number

pith:G6U2E2R5

pith:2024:G6U2E2R5BVEQVSSJJP4HK6BROB

not attested not anchored not stored refs pending

A dichotomy in the 1-24 GHz parsec-scale radio spectra of radio-quiet quasars

Amy E. Kimball, Ari Laor, Ehud Behar, Joseph D. Gelfand, Ranieri D. Baldi, Sina Chen

arxiv:2410.07889 v2 · 2024-10-10 · 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{G6U2E2R5BVEQVSSJJP4HK6BROB}

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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	2026-07-05T09:50:52.830785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37a9a26a3d0d490aca494bf8757831705e0a09f1b7b9cd31f7bf9b2bc54b7461

Aliases

arxiv: 2410.07889 · arxiv_version: 2410.07889v2 · doi: 10.48550/arxiv.2410.07889 · pith_short_12: G6U2E2R5BVEQ · pith_short_16: G6U2E2R5BVEQVSSJ · pith_short_8: G6U2E2R5

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/G6U2E2R5BVEQVSSJJP4HK6BROB \
  | 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: 37a9a26a3d0d490aca494bf8757831705e0a09f1b7b9cd31f7bf9b2bc54b7461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c04cda7264dbc3dbbdfb066b5137614972d4b9b2c6be6bfda87813d7d99b90e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-10-10T13:10:52Z",
    "title_canon_sha256": "15ceafb445d628d085f2b6fd447a9619afa411d9433c9881321e28e7916a13a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.07889",
    "kind": "arxiv",
    "version": 2
  }
}