Pith Number

pith:2JFDBUH6

pith:2024:2JFDBUH6BZ2DLAVNYUX6JAXD34

not attested not anchored not stored refs pending

RISTRETTO: a VLT XAO design to reach Proxima Cen b in the visible

A. Spang, B. Chazelas, C. Lovis, I. Dinis, J.-F. Sauvage, J. Kuehn, M. Motte, M. Shinde, N. Blind, N. Restori, O. Guyon, P. Martinez, T. Fusco

arxiv:2409.08052 v1 · 2024-09-12 · astro-ph.IM · 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{2JFDBUH6BZ2DLAVNYUX6JAXD34}

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	2026-07-05T09:06:19.446968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d24a30d0fe0e743582adc52fe482e3df2c172db91bc3e633c9418b1bd6d844af

Aliases

arxiv: 2409.08052 · arxiv_version: 2409.08052v1 · doi: 10.48550/arxiv.2409.08052 · pith_short_12: 2JFDBUH6BZ2D · pith_short_16: 2JFDBUH6BZ2DLAVN · pith_short_8: 2JFDBUH6

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/2JFDBUH6BZ2DLAVNYUX6JAXD34 \
  | 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: d24a30d0fe0e743582adc52fe482e3df2c172db91bc3e633c9418b1bd6d844af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b207c409593b2d2941df3274cbef3e6bedf7771c03d8b1ec1bdbb7bbf5abeb8",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2024-09-12T13:57:27Z",
    "title_canon_sha256": "f7456607c5e110a6f7333e7f3737c23cec8a39b7cfaa7c9f3da256747b62078d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.08052",
    "kind": "arxiv",
    "version": 1
  }
}