Pith Number

pith:A6U2N2EY

pith:2007:A6U2N2EYPKMZAVTFYR5WPTEGED

not attested not anchored not stored refs pending

On the Evolution of and High-Energy Emission from GHz-Peaked-Spectrum Sources

J. Kataoka, L. Ostorero, L. Stawarz, M.C. Begelman, R. Moderski, S. Wagner

arxiv:0712.1220 v2 · 2007-12-07 · 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{A6U2N2EYPKMZAVTFYR5WPTEGED}

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	2026-07-04T17:07:09.538262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07a9a6e8987a99905665c47b67cc8620cb6451589bed32b093e8a94e5bb08c1f

Aliases

arxiv: 0712.1220 · arxiv_version: 0712.1220v2 · doi: 10.48550/arxiv.0712.1220 · pith_short_12: A6U2N2EYPKMZ · pith_short_16: A6U2N2EYPKMZAVTF · pith_short_8: A6U2N2EY

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/A6U2N2EYPKMZAVTFYR5WPTEGED \
  | 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: 07a9a6e8987a99905665c47b67cc8620cb6451589bed32b093e8a94e5bb08c1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38e8fbd4049b44982a8529dd37514032f3072400232e0ac15c2ee44398e2a90a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-12-07T20:15:17Z",
    "title_canon_sha256": "0e5d28535ccd518b07d22df9a351e31ddc6341c8487572d76ab096b54c5aa2a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.1220",
    "kind": "arxiv",
    "version": 2
  }
}