Pith Number

pith:SSSKLKKZ

pith:2003:SSSKLKKZI2TDRKOI7ZPO5YBHPW

not attested not anchored not stored refs pending

High Frequency Peakers: Baby Radio Sources?

A. Celotti, C. Stanghellini, D. Dallacasa, G. de Zotti, S. Tinti

arxiv:astro-ph/0309354 v1 · 2003-09-12 · 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{SSSKLKKZI2TDRKOI7ZPO5YBHPW}

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	2026-07-04T14:12:53.560545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94a4a5a95946a638a9c8fe5eeee0277d931852671f6eac06a0077c5b9dd92370

Aliases

arxiv: astro-ph/0309354 · arxiv_version: astro-ph/0309354v1 · doi: 10.48550/arxiv.astro-ph/0309354 · pith_short_12: SSSKLKKZI2TD · pith_short_16: SSSKLKKZI2TDRKOI · pith_short_8: SSSKLKKZ

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/SSSKLKKZI2TDRKOI7ZPO5YBHPW \
  | 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: 94a4a5a95946a638a9c8fe5eeee0277d931852671f6eac06a0077c5b9dd92370

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99c5bb89d4d416cd781b3d27ea53f5478eefd148d79a84c988bc2c236b2fb249",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-12T13:36:27Z",
    "title_canon_sha256": "de79303c991c6ac631b23580b637e604d0e1b6888bffd935aa6716829313a9bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309354",
    "kind": "arxiv",
    "version": 1
  }
}