Pith Number

pith:VJ3RNWUB

pith:2026:VJ3RNWUBZQJ5WUSGYIHYBYA2RO

not attested not anchored not stored refs pending

Ultra-precise Multi-fiber Optical Connectors for Astronomy

Jean-Paul Kneib, Malak Galal, Maxime Rombach

arxiv:2606.19043 v1 · 2026-06-17 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VJ3RNWUBZQJ5WUSGYIHYBYA2RO}

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	2026-06-19T16:11:55.205408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa7716da81cc13db5246c20f80e01a8b920b115d18590ceba1ac76dfdb97848d

Aliases

arxiv: 2606.19043 · arxiv_version: 2606.19043v1 · doi: 10.48550/arxiv.2606.19043 · pith_short_12: VJ3RNWUBZQJ5 · pith_short_16: VJ3RNWUBZQJ5WUSG · pith_short_8: VJ3RNWUB

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/VJ3RNWUBZQJ5WUSGYIHYBYA2RO \
  | 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: aa7716da81cc13db5246c20f80e01a8b920b115d18590ceba1ac76dfdb97848d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a04686e875556dddffd93522722c17885164670a2000328e5a39278f50e75ac1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-06-17T13:10:35Z",
    "title_canon_sha256": "1b414fd44e88981e4d0acf8aef2e9d37f75024667b312db87856c0fa6ebd732b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19043",
    "kind": "arxiv",
    "version": 1
  }
}