Pith Number

pith:ZMRK4Y4R

pith:2025:ZMRK4Y4RYX627K5T63ENWCG72H

not attested not anchored not stored refs pending

Detection of binary companions below the diffraction limit with lucky imaging

A.A. Djupvik, A. Oscoz, David Nespral, D. Jones, E. Soria, J. Marco, Manuel P. Cagigal, Miguel A. Cagigas, O. Zamora, Pedro J. Valle, R. Clavero, R. L\'opez, Vidal F. Canales

arxiv:2501.05154 v1 · 2025-01-09 · 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{ZMRK4Y4RYX627K5T63ENWCG72H}

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	2026-07-05T09:59:05.218492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb22ae6391c5fdafabb3f6c8db08dfd1f74a114a2d7abfbdad365b8a83467d5c

Aliases

arxiv: 2501.05154 · arxiv_version: 2501.05154v1 · doi: 10.48550/arxiv.2501.05154 · pith_short_12: ZMRK4Y4RYX62 · pith_short_16: ZMRK4Y4RYX627K5T · pith_short_8: ZMRK4Y4R

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/ZMRK4Y4RYX627K5T63ENWCG72H \
  | 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: cb22ae6391c5fdafabb3f6c8db08dfd1f74a114a2d7abfbdad365b8a83467d5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bc6a8f16d4c42bd1ef9065a00044de4f7dae03a1571b4f4416270b558c70526",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-01-09T11:18:16Z",
    "title_canon_sha256": "409b08cc8205fcf87ed7635a84f58d3963a41c5d31b39e4ddaec804d2a0c9cfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.05154",
    "kind": "arxiv",
    "version": 1
  }
}