Pith Number

pith:AV6F5VCW

pith:2011:AV6F5VCWGZUFB7A7UL5X7HLUCF

not attested not anchored not stored refs pending

Sub-millimeter Detected z~2 Radio-quiet QSOs: Accurate Redshifts, Black Hole Masses, and Inflow/Outflow Velocities

Alessandro Marconi, Ernesto Oliva, Gustavo Orellana, Kate G. Isaac, Neil M. Nagar, Richard McMahon, Roberto Maiolino, Robert Priddey

arxiv:1105.1149 v1 · 2011-05-05 · 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{AV6F5VCWGZUFB7A7UL5X7HLUCF}

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	2026-05-18T02:02:03.644083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

057c5ed456366850fc1fa2fb7f9d741162ee484d79b4cb018968a27bf98e2b93

Aliases

arxiv: 1105.1149 · arxiv_version: 1105.1149v1 · doi: 10.48550/arxiv.1105.1149 · pith_short_12: AV6F5VCWGZUF · pith_short_16: AV6F5VCWGZUFB7A7 · pith_short_8: AV6F5VCW

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/AV6F5VCWGZUFB7A7UL5X7HLUCF \
  | 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: 057c5ed456366850fc1fa2fb7f9d741162ee484d79b4cb018968a27bf98e2b93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09ca219896f423966e66f828173dbd5da228dcfced43887a47e5177cb5a40095",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-05T19:18:30Z",
    "title_canon_sha256": "03d70a9daafe65a638a145e4061a2b135fa46d5017a1d5e18d53b9f4abf7817b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1149",
    "kind": "arxiv",
    "version": 1
  }
}