Pith Number

pith:6MQP24GJ

pith:2015:6MQP24GJQL7KU527HS6UZW44OR

not attested not anchored not stored refs pending

A Large Systematic Search for Close Supermassive Binary and Rapidly Recoiling Black Holes - II. Continued Spectroscopic Monitoring and Optical Flux Variability

2, (2) Georgia Tech, 3), (3) U. Washington, 4), (4) New Mexico State, (5) LCOGT, (6) Columbia), Alison Pennell (1), Gavin Mathes (1, Jessie C. Runnoe (1), Jia Liu (6) ((1) Penn State, Jules P. Halpern (6), Michael Eracleous (1, Steinn Sigurdsson (1), Tamara Bogdanovic (2), Todd Boroson (5)

arxiv:1509.02575 v2 · 2015-09-08 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6MQP24GJQL7KU527HS6UZW44OR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:26:41.664292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f320fd70c982feaa775f3cbd4cdb9c747d73c6a25032851d16c4fcfe6c11aaff

Aliases

arxiv: 1509.02575 · arxiv_version: 1509.02575v2 · doi: 10.48550/arxiv.1509.02575 · pith_short_12: 6MQP24GJQL7K · pith_short_16: 6MQP24GJQL7KU527 · pith_short_8: 6MQP24GJ

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/6MQP24GJQL7KU527HS6UZW44OR \
  | 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: f320fd70c982feaa775f3cbd4cdb9c747d73c6a25032851d16c4fcfe6c11aaff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6d1ba6e4a181bc452723a1e616c6c593ac3c30e6f160419202d8c88591d4537",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-08T22:47:52Z",
    "title_canon_sha256": "c7c2431cf38d228cd43bd105474a28fa920034f9c1a4a89e0f65e08fc74fc7c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02575",
    "kind": "arxiv",
    "version": 2
  }
}