Pith Number

pith:OEFMM5ZW

pith:2013:OEFMM5ZWHGFPQWPAUG7LI4W3BR

not attested not anchored not stored refs pending

Search for Supermassive Black Hole Binaries in the Sloan Digital Sky Survey Spectroscopic Sample

Carles Badenes (U Pitt), Jenny E. Greene, Roman R. Rafikov (Princeton), Steven J. Bickerton (IPMU), Wenhua Ju

arxiv:1306.4987 v1 · 2013-06-20 · 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{OEFMM5ZWHGFPQWPAUG7LI4W3BR}

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	2026-05-18T01:49:14.176530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

710ac67736398af859e0a1beb472db0c7252e5c41bdb2ff8b3d992b79d3e3f98

Aliases

arxiv: 1306.4987 · arxiv_version: 1306.4987v1 · doi: 10.48550/arxiv.1306.4987 · pith_short_12: OEFMM5ZWHGFP · pith_short_16: OEFMM5ZWHGFPQWPA · pith_short_8: OEFMM5ZW

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/OEFMM5ZWHGFPQWPAUG7LI4W3BR \
  | 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: 710ac67736398af859e0a1beb472db0c7252e5c41bdb2ff8b3d992b79d3e3f98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f36c7900bc6725fb3e8b40fafba4f9810437a96aa361f91a243241807c18226f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-20T20:01:02Z",
    "title_canon_sha256": "c9677e589244b3aa1972300bef7b518d95dd5e81f0cb0b8b23a3174a797eac49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4987",
    "kind": "arxiv",
    "version": 1
  }
}