Pith Number

pith:GOOEX63V

pith:2013:GOOEX63VE6VJEMGKMNJ6R32BS5

not attested not anchored not stored refs pending

Probing the nature of compact ultra-steep spectrum radio sources with the e-EVN and e-MERLIN

George Miley, Hans-Rainer Kl\"ockner, Huub R\"ottgering, Megan K. Argo, Mehreen Mahmud, Zsolt Paragi

arxiv:1301.4813 v1 · 2013-01-21 · 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{GOOEX63VE6VJEMGKMNJ6R32BS5}

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	2026-05-18T03:33:49.485129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

339c4bfb7527aa9230ca6353e8ef419744fcbb271676c933d47bf43eaca2bf90

Aliases

arxiv: 1301.4813 · arxiv_version: 1301.4813v1 · doi: 10.48550/arxiv.1301.4813 · pith_short_12: GOOEX63VE6VJ · pith_short_16: GOOEX63VE6VJEMGK · pith_short_8: GOOEX63V

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/GOOEX63VE6VJEMGKMNJ6R32BS5 \
  | 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: 339c4bfb7527aa9230ca6353e8ef419744fcbb271676c933d47bf43eaca2bf90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "507791730097c64114bac8843d3f0e57e7b32297ee37de4f20e1b1dd448d76d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-21T10:56:20Z",
    "title_canon_sha256": "31a58583200b507ac7b4683dd6c82f8e18a6ae74e18cb9d748008f34232a2a39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4813",
    "kind": "arxiv",
    "version": 1
  }
}