Pith Number

pith:5KSWGAYS

pith:2021:5KSWGAYSRCHZVB2LPHPDRL32OA

not attested not anchored not stored refs pending

Radio observations of massive stars in the Galactic centre: The Quintuplet cluster

A. Alberdi, A.T. Gallego-Calvente, B. Shahzamanian, F. Najarro, F. Nogueras-Lara, F. Yusef-Zadeh, R. Schoedel

arxiv:2107.14481 v1 · 2021-07-30 · astro-ph.GA · 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{5KSWGAYSRCHZVB2LPHPDRL32OA}

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	2026-07-05T04:47:08.023471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaa5630312888f9a874b79de38af7a702ed3579b484fbf91b7e23ca8d35cf502

Aliases

arxiv: 2107.14481 · arxiv_version: 2107.14481v1 · doi: 10.48550/arxiv.2107.14481 · pith_short_12: 5KSWGAYSRCHZ · pith_short_16: 5KSWGAYSRCHZVB2L · pith_short_8: 5KSWGAYS

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/5KSWGAYSRCHZVB2LPHPDRL32OA \
  | 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: eaa5630312888f9a874b79de38af7a702ed3579b484fbf91b7e23ca8d35cf502

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "867673aad23741662ad9738606576851966806b4c8fed4a3f42f6d1a4bbb52cd",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-07-30T08:15:48Z",
    "title_canon_sha256": "5804292eb3a30cd15a2a90b522e18ea02abfad4f68e44e927a7bef9864fc6140"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.14481",
    "kind": "arxiv",
    "version": 1
  }
}