Pith Number

pith:FSQ36YCU

pith:2011:FSQ36YCUW3UDYB2AT3Q6LRP4ZQ

not attested not anchored not stored refs pending

On the Evolution of the Cores of Radio Sources and Their Extended Radio Emission

Jiancheng Wang, Zunli Yuan

arxiv:1109.4028 v1 · 2011-09-19 · 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{FSQ36YCUW3UDYB2AT3Q6LRP4ZQ}

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	2026-05-18T02:00:29.364244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ca1bf6054b6e83c07409ee1e5c5fccc2574fbc65251f79947d76a49082e9b30

Aliases

arxiv: 1109.4028 · arxiv_version: 1109.4028v1 · doi: 10.48550/arxiv.1109.4028 · pith_short_12: FSQ36YCUW3UD · pith_short_16: FSQ36YCUW3UDYB2A · pith_short_8: FSQ36YCU

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/FSQ36YCUW3UDYB2AT3Q6LRP4ZQ \
  | 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: 2ca1bf6054b6e83c07409ee1e5c5fccc2574fbc65251f79947d76a49082e9b30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a9b2f144fb356e95b76b483ede70421eeaa8d526a4a321ee8b5a40d9c24f357",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-19T13:57:22Z",
    "title_canon_sha256": "d03a4e4f6e3637844ef2d56394b857d3017f901dc60e36f8cf8e31104ca77d6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4028",
    "kind": "arxiv",
    "version": 1
  }
}