Pith Number

pith:GXPLTFK2

pith:2009:GXPLTFK2K6BVPAXOYGLMHF7GXL

not attested not anchored not stored refs pending

Spectral ageing analysis and dynamical analysis of the double-double radio galaxy J1548-3216

C. Konar, J. Machalski, M. Jamrozy

arxiv:0912.1484 v1 · 2009-12-08 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GXPLTFK2K6BVPAXOYGLMHF7GXL}

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	2026-05-18T02:10:25.722233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35deb9955a57835782eec196c397e6badf78be6a9dcdd9296867259e5d763971

Aliases

arxiv: 0912.1484 · arxiv_version: 0912.1484v1 · doi: 10.48550/arxiv.0912.1484 · pith_short_12: GXPLTFK2K6BV · pith_short_16: GXPLTFK2K6BVPAXO · pith_short_8: GXPLTFK2

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/GXPLTFK2K6BVPAXOYGLMHF7GXL \
  | 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: 35deb9955a57835782eec196c397e6badf78be6a9dcdd9296867259e5d763971

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53a3ef9d736581c70c410fca964b17685192d30c025d0ac38dbd2fc885ef213f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-08T12:44:45Z",
    "title_canon_sha256": "55717108f10348b05d2f6b81b7d89165b509f8aa8575d83f55877fb6ffa6fe85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1484",
    "kind": "arxiv",
    "version": 1
  }
}