Pith Number

pith:E22J7KUJ

pith:1998:E22J7KUJY4LBK5UHLXEMRAGFBV

not attested not anchored not stored refs pending

A complete sample of GHz-Peaked-Spectrum radio sources and its radio properties

C. Fanti, C. P. O'Dea, C. Stanghellini, D. Dallacasa, R. Fanti, S. A. Baum

arxiv:astro-ph/9803222 v1 · 1998-03-18 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E22J7KUJY4LBK5UHLXEMRAGFBV}

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	2026-05-18T01:07:37.722139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26b49faa89c7161576875dc8c880c50d7255bf07d08aff9bc3cf227ce75e047e

Aliases

arxiv: astro-ph/9803222 · arxiv_version: astro-ph/9803222v1 · doi: 10.48550/arxiv.astro-ph/9803222 · pith_short_12: E22J7KUJY4LB · pith_short_16: E22J7KUJY4LBK5UH · pith_short_8: E22J7KUJ

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/E22J7KUJY4LBK5UHLXEMRAGFBV \
  | 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: 26b49faa89c7161576875dc8c880c50d7255bf07d08aff9bc3cf227ce75e047e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fb87f32d7189f209e028cfacd2df6020247660fcde1a94a0709def79a358dcc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-03-18T21:54:36Z",
    "title_canon_sha256": "d5e602426029fd9b2dae9da21a802d387e9a2943fd2d4f695f3df816051926b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9803222",
    "kind": "arxiv",
    "version": 1
  }
}