Pith Number

pith:SA2NTPO7

pith:2026:SA2NTPO7IZDKH2XP6YWPHYFOCR

not attested not anchored not stored refs pending

No evidence for a supermassive black hole binary in GSN 069

Bin Liu, Cong Zhou, Yuhe Zeng, Zhen Pan

arxiv:2608.05534 v1 · 2026-08-06 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SA2NTPO7IZDKH2XP6YWPHYFOCR}

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	2026-08-07T00:48:13.218845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9034d9bddf4646a3eaeff62cf3e0ae147dc120041d6c571afe12244791c9c5b4

Aliases

arxiv: 2608.05534 · arxiv_version: 2608.05534v1 · doi: 10.48550/arxiv.2608.05534 · pith_short_12: SA2NTPO7IZDK · pith_short_16: SA2NTPO7IZDKH2XP · pith_short_8: SA2NTPO7

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/SA2NTPO7IZDKH2XP6YWPHYFOCR \
  | 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: 9034d9bddf4646a3eaeff62cf3e0ae147dc120041d6c571afe12244791c9c5b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a484412fb8f54715b83656305dcb3c960d4babeb825cd853229bf6000147d123",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-08-06T02:27:50Z",
    "title_canon_sha256": "d7314b5e2585ee77fa7f0651b4ef1e6546a28944deefce40beb2c71feb83b373"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.05534",
    "kind": "arxiv",
    "version": 1
  }
}