Pith Number

pith:7VQBUNJ6

pith:2026:7VQBUNJ6LN6DQH2UHIQHYICKBB

not attested not anchored not stored refs pending

The complex kinematics of the young stars orbiting the supermassive black hole in the Galactic center can be explained by the presence of an intermediate mass companion of Sgr A$^\star$

Andreas Burkert, Douglas N. C. Lin, Long Wang, Shude Mao, Xiaochen Zheng

arxiv:2606.08971 v1 · 2026-06-08 · astro-ph.GA · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VQBUNJ6LN6DQH2UHIQHYICKBB}

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	2026-06-09T02:07:51.043669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd601a353e5b7c381f543a207c204a08478b49f61a37904ba710407d605f76fe

Aliases

arxiv: 2606.08971 · arxiv_version: 2606.08971v1 · doi: 10.48550/arxiv.2606.08971 · pith_short_12: 7VQBUNJ6LN6D · pith_short_16: 7VQBUNJ6LN6DQH2U · pith_short_8: 7VQBUNJ6

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/7VQBUNJ6LN6DQH2UHIQHYICKBB \
  | 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: fd601a353e5b7c381f543a207c204a08478b49f61a37904ba710407d605f76fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bf182ce4c740b390050c442c459f65682692597ab52ac951d199c10ce579e98",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-08T03:14:54Z",
    "title_canon_sha256": "6a596cd3c51a2964b3e0996d41bbb519a85abb784f05e48a619239dac1a4bfc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.08971",
    "kind": "arxiv",
    "version": 1
  }
}