Pith Number

pith:PQZ6JZ7W

pith:2025:PQZ6JZ7WBAWIAB66JCBXJ2WZS7

not attested not anchored not stored refs pending

A multi-frequency, multi-epoch radio continuum study of the Quintuplet cluster with the Very Large Array

A. Alberdi, A.T. Gallego-Calvente, F. Najarro, J. Mold\'on, M. Cano-Gonz\'alez, M. P\'erez-Torres, R. Sch\"odel

arxiv:2507.21617 v1 · 2025-07-29 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQZ6JZ7WBAWIAB66JCBXJ2WZS7}

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	2026-07-05T11:45:03.189295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c33e4e7f6082c8007de488374ead997fbb65402684833aac664e7864457ea9e

Aliases

arxiv: 2507.21617 · arxiv_version: 2507.21617v1 · doi: 10.48550/arxiv.2507.21617 · pith_short_12: PQZ6JZ7WBAWI · pith_short_16: PQZ6JZ7WBAWIAB66 · pith_short_8: PQZ6JZ7W

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/PQZ6JZ7WBAWIAB66JCBXJ2WZS7 \
  | 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: 7c33e4e7f6082c8007de488374ead997fbb65402684833aac664e7864457ea9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82b61cc49ce1123b7ed6fda4fb2cefb3909f16554b5d403b467749037b4d2ab0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-29T09:16:41Z",
    "title_canon_sha256": "04ce321e57f63bb5f951fc4add938e9d302e081977dbbdd4c534826aa9dddf34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.21617",
    "kind": "arxiv",
    "version": 1
  }
}