Pith Number

pith:43VQGLIE

pith:2011:43VQGLIE2VFGWI7IDZZYLOVBIQ

not attested not anchored not stored refs pending

A New Orientation Indicator for Radio-Quiet Quasars

Todd A. Boroson (NOAO)

arxiv:1105.5161 v1 · 2011-05-25 · 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{43VQGLIE2VFGWI7IDZZYLOVBIQ}

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	2026-05-18T02:01:50.701233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6eb032d04d54a6b23e81e7385baa14405a3457c807631a9de50f49ab69b2b67

Aliases

arxiv: 1105.5161 · arxiv_version: 1105.5161v1 · doi: 10.48550/arxiv.1105.5161 · pith_short_12: 43VQGLIE2VFG · pith_short_16: 43VQGLIE2VFGWI7I · pith_short_8: 43VQGLIE

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/43VQGLIE2VFGWI7IDZZYLOVBIQ \
  | 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: e6eb032d04d54a6b23e81e7385baa14405a3457c807631a9de50f49ab69b2b67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feba4f592eb222900d584398c3f9d33769317a3a756a5e9ad4afd1d67d1611fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-25T22:28:22Z",
    "title_canon_sha256": "abb6df2d05ae177b001b68d534aaa69de65ee17470a9f1e3a28498c41c1c412a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5161",
    "kind": "arxiv",
    "version": 1
  }
}