Pith Number

pith:O77C3T7M

pith:2005:O77C3T7MTMJABB2KTM6V3NCDIJ

not attested not anchored not stored refs pending

High-resolution radio imaging of the most distant radio quasar SDSS J0836+0054

L.I. Gurvits (JIVE), L. Mosoni (Konkoly Obs.), S. Frey (FOMI SGO), Z. Paragi (JIVE)

arxiv:astro-ph/0504430 v1 · 2005-04-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O77C3T7MTMJABB2KTM6V3NCDIJ}

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	2026-07-04T14:14:08.986673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77fe2dcfec9b1200874a9b3d5db443424f604ab1e0e5616a8aa9bd52b63acd47

Aliases

arxiv: astro-ph/0504430 · arxiv_version: astro-ph/0504430v1 · doi: 10.48550/arxiv.astro-ph/0504430 · pith_short_12: O77C3T7MTMJA · pith_short_16: O77C3T7MTMJABB2K · pith_short_8: O77C3T7M

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/O77C3T7MTMJABB2KTM6V3NCDIJ \
  | 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: 77fe2dcfec9b1200874a9b3d5db443424f604ab1e0e5616a8aa9bd52b63acd47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bd11aa34b23ec71a104bed719f0e4558d4d08282bc04819b547c63f0355edac",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-20T07:42:40Z",
    "title_canon_sha256": "c294daf4bbe634420d7f78f543d2cb735b7da9277d842ae6ac7bfb5fec6f4f05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504430",
    "kind": "arxiv",
    "version": 1
  }
}