Pith Number

pith:RV63RLKD

pith:2011:RV63RLKDBGYDWZ63VCEEA5LBXJ

not attested not anchored not stored refs pending

A Multiwavelength Study of Binary Quasars and Their Environments

Adam D. Myers, Angel Ruiz, Gordon T. Richards, Markos Trichas, Paul J. Green, Philip F. Hopkins, Thomas L. Aldcroft, Wayne A. Barkhouse

arxiv:1109.1278 v1 · 2011-09-06 · 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{RV63RLKDBGYDWZ63VCEEA5LBXJ}

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	2026-05-18T02:00:38.779532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d7db8ad4309b03b67dba888407561ba67c63a173e24bd9d066264574e8498c3

Aliases

arxiv: 1109.1278 · arxiv_version: 1109.1278v1 · doi: 10.48550/arxiv.1109.1278 · pith_short_12: RV63RLKDBGYD · pith_short_16: RV63RLKDBGYDWZ63 · pith_short_8: RV63RLKD

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/RV63RLKDBGYDWZ63VCEEA5LBXJ \
  | 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: 8d7db8ad4309b03b67dba888407561ba67c63a173e24bd9d066264574e8498c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7be905018841870c2910dc68ad911843a7fcc5fef192b7525b2d23d89c7707d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-06T19:53:15Z",
    "title_canon_sha256": "f945734bea963e8249cc10857a9feb62a89148092da6aafc909a1e008b4597af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1278",
    "kind": "arxiv",
    "version": 1
  }
}