Pith Number

pith:ULWIZGUR

pith:2026:ULWIZGURS5YACI6YJQ436WBAPU

not attested not anchored not stored refs pending

Bernhard-1: An Eccentric Binary Periodically Obscured by its Misaligned Circumbinary Disk

Ping Chen, Richard Post, Weicheng Zang, Wei Zhu, Zhecheng Hu

arxiv:2608.10779 v1 · 2026-08-11 · astro-ph.SR · 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{ULWIZGURS5YACI6YJQ436WBAPU}

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	2026-08-12T01:23:15.680242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2ec8c9a9197700123d84c39bf58207d2f203d72dec48015c9715748524ba79f

Aliases

arxiv: 2608.10779 · arxiv_version: 2608.10779v1 · doi: 10.48550/arxiv.2608.10779 · pith_short_12: ULWIZGURS5YA · pith_short_16: ULWIZGURS5YACI6Y · pith_short_8: ULWIZGUR

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/ULWIZGURS5YACI6YJQ436WBAPU \
  | 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: a2ec8c9a9197700123d84c39bf58207d2f203d72dec48015c9715748524ba79f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "faef2b884266ec20291f656e2d38528927007a066354815dcd1c9aeaecd1f13a",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-08-11T10:31:22Z",
    "title_canon_sha256": "a39a167fc7cddb353b6c40dfe3e1c8412a41d647bffb445c58da0dde43429e06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.10779",
    "kind": "arxiv",
    "version": 1
  }
}