Pith Number

pith:6VNVGQZS

pith:2021:6VNVGQZSHG3EP2R2VXKID5P7L7

not attested not anchored not stored refs pending

Combining LOFAR and Apertif Data for Understanding the Life Cycle of Radio Galaxies

Aleksandar Shulevski, Alexander Kutkin, Elizabeth A. K. Adams, Emanuela Orru', Helga Denes, Isabella Prandoni, Jacob Ziemke, Kelley M. Hess, Marisa Brienza, Nika Jurlin, Raffaella Morganti, Thijs van der Hulst, Tom Oosterloo

arxiv:2111.04776 v1 · 2021-11-08 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6VNVGQZSHG3EP2R2VXKID5P7L7}

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	2026-07-05T03:30:18.398279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f55b53433239b647ea3aadd481f5ff5fe07aa44fc96a5056e623e63893be4ce3

Aliases

arxiv: 2111.04776 · arxiv_version: 2111.04776v1 · doi: 10.48550/arxiv.2111.04776 · pith_short_12: 6VNVGQZSHG3E · pith_short_16: 6VNVGQZSHG3EP2R2 · pith_short_8: 6VNVGQZS

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/6VNVGQZSHG3EP2R2VXKID5P7L7 \
  | 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: f55b53433239b647ea3aadd481f5ff5fe07aa44fc96a5056e623e63893be4ce3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27286d94895d76c7f7d0792e421a244a86dacb92be5956e4d3bbb83de570641a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-11-08T19:21:45Z",
    "title_canon_sha256": "62cad56516e92296f7cfba11afaea9a0de4c05d78b677a33cef6c15ec1c82ee7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.04776",
    "kind": "arxiv",
    "version": 1
  }
}