Pith Number

pith:NRJ4RDD4

pith:2024:NRJ4RDD4GKTBNJXZEUEF2YUJWH

not attested not anchored not stored refs pending

Polarimetric differential imaging with VLT/NACO. A comprehensive PDI pipeline for NACO data (PIPPIN)

A. Garufi, A. Kospal, A.S. Hales, C. Caceres, C. Ginski, M.A. Kenworthy, M.A. Millar-Blanchaer, M.R. Schreiber, N. Huelamo, S. de Regt, S. Perez, T.M. Gledhill

arxiv:2404.02222 v1 · 2024-04-02 · astro-ph.EP · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRJ4RDD4GKTBNJXZEUEF2YUJWH}

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	2026-07-05T08:03:52.581972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c53c88c7c32a616a6f925085d6289b1f7e937257fea063f41b032a26c000815

Aliases

arxiv: 2404.02222 · arxiv_version: 2404.02222v1 · doi: 10.48550/arxiv.2404.02222 · pith_short_12: NRJ4RDD4GKTB · pith_short_16: NRJ4RDD4GKTBNJXZ · pith_short_8: NRJ4RDD4

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/NRJ4RDD4GKTBNJXZEUEF2YUJWH \
  | 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: 6c53c88c7c32a616a6f925085d6289b1f7e937257fea063f41b032a26c000815

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a8758cc25b88956562f4ca59bf578b6f7993b3661b5a0067c24f2550a9ec846",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2024-04-02T18:17:14Z",
    "title_canon_sha256": "4af8ab160e7316bebac1fd1ca548a7b30e4c0181fa23abe93afe92c2646c72b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.02222",
    "kind": "arxiv",
    "version": 1
  }
}