Pith Number

pith:FS7OPUCQ

pith:2011:FS7OPUCQTQ3CA3LOI4BASTWJMJ

not attested not anchored not stored refs pending

A systematic search for massive black hole binaries in SDSS spectroscopic sample

David W. Hogg, M. Dotti, P. Tsalmantza, R. Decarli

arxiv:1106.1180 v1 · 2011-06-06 · 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{FS7OPUCQTQ3CA3LOI4BASTWJMJ}

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	2026-05-18T02:01:41.554448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cbee7d0509c36206d6e4702094ec962527d56ed7306d568c2153bfa7800bf8e

Aliases

arxiv: 1106.1180 · arxiv_version: 1106.1180v1 · doi: 10.48550/arxiv.1106.1180 · pith_short_12: FS7OPUCQTQ3C · pith_short_16: FS7OPUCQTQ3CA3LO · pith_short_8: FS7OPUCQ

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/FS7OPUCQTQ3CA3LOI4BASTWJMJ \
  | 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: 2cbee7d0509c36206d6e4702094ec962527d56ed7306d568c2153bfa7800bf8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e682fc53eb93ae633ba66b13aad9c695efe37ac35aab33e72f6ad19a04a7c629",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-06T20:02:09Z",
    "title_canon_sha256": "4ef945dd68d4fa50f8f0efbb606eef01d24ce96d8c8aa1b1a458a23f97b4692f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1180",
    "kind": "arxiv",
    "version": 1
  }
}