Pith Number

pith:ODZKHLXF

pith:2006:ODZKHLXFMYREHX6KCZMX3TSN3T

not attested not anchored not stored refs pending

VLBI observations of the most radio-loud, narrow-line quasar SDSS J094857.3+002225

Akihiro Doi, Hiroshi Nagai, Keiichi Asada, Kiyoaki Wajima, Makoto Inoue, Seiji Kameno

arxiv:astro-ph/0608507 v1 · 2006-08-24 · 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{ODZKHLXFMYREHX6KCZMX3TSN3T}

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	2026-05-18T01:40:29.875490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70f2a3aee5662243dfca16597dce4ddcd7fd9c00cec5dfdb6db288f162fe77b6

Aliases

arxiv: astro-ph/0608507 · arxiv_version: astro-ph/0608507v1 · doi: 10.48550/arxiv.astro-ph/0608507 · pith_short_12: ODZKHLXFMYRE · pith_short_16: ODZKHLXFMYREHX6K · pith_short_8: ODZKHLXF

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/ODZKHLXFMYREHX6KCZMX3TSN3T \
  | 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: 70f2a3aee5662243dfca16597dce4ddcd7fd9c00cec5dfdb6db288f162fe77b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa44075f2792cd210a43e08bab6f17f6e890967cee7b33e41f01406db7057f40",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-08-24T07:24:41Z",
    "title_canon_sha256": "8aa50987cda44774cfacd16f37b4f8992bcf42787fd4599bf8100cf0fe0ba924"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0608507",
    "kind": "arxiv",
    "version": 1
  }
}