Pith Number

pith:U34DMVQI

pith:2019:U34DMVQIUQPFYK75LVNYCPM7TX

not attested not anchored not stored refs pending

Quasi-Periodicity of Supermassive Binary Black Hole Accretion Approaching Merger

Dennis B. Bowen, Julian H. Krolik, Manuela Campanelli, Mark Avara, Scott C. Noble, Vassilios Mewes

arxiv:1904.12048 v1 · 2019-04-26 · astro-ph.HE · astro-ph.GA · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U34DMVQIUQPFYK75LVNYCPM7TX}

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	2026-05-17T23:40:32.329213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6f8365608a41e5c2bfd5d5b813d9f9dc3a33e4ff253cf2c8df6f5664943f896

Aliases

arxiv: 1904.12048 · arxiv_version: 1904.12048v1 · doi: 10.48550/arxiv.1904.12048 · pith_short_12: U34DMVQIUQPF · pith_short_16: U34DMVQIUQPFYK75 · pith_short_8: U34DMVQI

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/U34DMVQIUQPFYK75LVNYCPM7TX \
  | 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: a6f8365608a41e5c2bfd5d5b813d9f9dc3a33e4ff253cf2c8df6f5664943f896

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ed0c39483a0282c32b57cc159534fe169bfcd1881c82ba317006fcb0108a477",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-04-26T20:58:57Z",
    "title_canon_sha256": "efc1404d5a9affec64119d564b18154fb202eadb2e7fd5ad3f1f22f5a23e19be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.12048",
    "kind": "arxiv",
    "version": 1
  }
}