Pith Number

pith:QSZXYJMG

pith:2022:QSZXYJMGKFXF6DLQKZV5SPO6KH

not attested not anchored not stored refs pending

Ionise hard: interstellar PO$^{+}$ detection

\'Alvaro L\'opez-Gallifa, Andr\'es Meg\'ias, Antonio Mart\'inez-Henares, Bel\'en Tercero, Fernando Rico-Villas, Giuliana Cosentino, Izaskun Jim\'enez-Serra, Jes\'us Mart\'in-Pintado, Juan Garc\'ia de la Concepci\'on, Laura Colzi, Miguel A. Requena-Torres, Pablo de Vicente, Sara Massalkhi, Sergio Mart\'in, Shaoshan Zeng, V\'ictor M. Rivilla

arxiv:2202.13928 v1 · 2022-02-28 · astro-ph.GA · 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{QSZXYJMGKFXF6DLQKZV5SPO6KH}

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	2026-07-05T04:00:35.352641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84b37c2586516e5f0d70566bd93dde51dc3a671cadc96aba696151d6db876189

Aliases

arxiv: 2202.13928 · arxiv_version: 2202.13928v1 · doi: 10.48550/arxiv.2202.13928 · pith_short_12: QSZXYJMGKFXF · pith_short_16: QSZXYJMGKFXF6DLQ · pith_short_8: QSZXYJMG

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/QSZXYJMGKFXF6DLQKZV5SPO6KH \
  | 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: 84b37c2586516e5f0d70566bd93dde51dc3a671cadc96aba696151d6db876189

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c7e863228e5e5edeb8bba0f119347abbe08a86aad3f43f3011efd50d1780182",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-02-28T16:25:23Z",
    "title_canon_sha256": "8c2cd4d83d256f23a007ddf8ce7debadc7dd3eab2813a4587ca0201e8b4c7228"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.13928",
    "kind": "arxiv",
    "version": 1
  }
}