Pith Number

pith:XV2XMFUJ

pith:2026:XV2XMFUJDNQ2SQB3T4L3Z7EZ4J

not attested not anchored not stored refs pending

The flaring drill in the Galactic centre. Did the IRS 13 cluster carve out the mini-cavity in the mini-spiral?

Florian Pei{\ss}ker, Jaroslav Haas, Mark R. Morris, Pavel Kroupa

arxiv:2606.17131 v1 · 2026-06-15 · 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{XV2XMFUJDNQ2SQB3T4L3Z7EZ4J}

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	2026-06-19T16:10:03.942430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd757616891b61a9403b9f17bcfc99e27853313c5efa1a06d09d0fb9e22f50ec

Aliases

arxiv: 2606.17131 · arxiv_version: 2606.17131v1 · doi: 10.48550/arxiv.2606.17131 · pith_short_12: XV2XMFUJDNQ2 · pith_short_16: XV2XMFUJDNQ2SQB3 · pith_short_8: XV2XMFUJ

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/XV2XMFUJDNQ2SQB3T4L3Z7EZ4J \
  | 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: bd757616891b61a9403b9f17bcfc99e27853313c5efa1a06d09d0fb9e22f50ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c226e369ee2ca3bf8ec2f1db082b85c904d48306e02e2e48556f83dbdc0d5c8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-15T18:00:00Z",
    "title_canon_sha256": "7233e0f8063bd077754a977ec0604de9a723ed800bbc725e821dcc5fdbdca17f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17131",
    "kind": "arxiv",
    "version": 1
  }
}