Pith Number

pith:RYWXDWGZ

pith:2019:RYWXDWGZZLHHC6AA2HCZ6ECEWC

not attested not anchored not stored refs pending

Radio source evolution and the interplay with the host galaxy

Manel Perucho

arxiv:1902.10751 v1 · 2019-02-27 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RYWXDWGZZLHHC6AA2HCZ6ECEWC}

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	2026-05-17T23:52:29.806597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e2d71d8d9cace717800d1c59f1044b0a3384f5991149448b0faa4e92e5ce3da

Aliases

arxiv: 1902.10751 · arxiv_version: 1902.10751v1 · doi: 10.48550/arxiv.1902.10751 · pith_short_12: RYWXDWGZZLHH · pith_short_16: RYWXDWGZZLHHC6AA · pith_short_8: RYWXDWGZ

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/RYWXDWGZZLHHC6AA2HCZ6ECEWC \
  | 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: 8e2d71d8d9cace717800d1c59f1044b0a3384f5991149448b0faa4e92e5ce3da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7026adf1a8e64198df5d06f0bc761639595d6fa56f1bd68ff308b48ca60f52f",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-27T19:39:18Z",
    "title_canon_sha256": "97a67715b8191f832a848b0ae58ecd61d654aa92fb34e7ac59d321c852353791"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10751",
    "kind": "arxiv",
    "version": 1
  }
}