Pith Number

pith:OBVZ7DA2

pith:2013:OBVZ7DA2MCBNVDCO35ABE3EKJS

not attested not anchored not stored refs pending

Candidate super star cluster progenitor gas clouds possibly triggered by close passage to Sgr A*

A. J. Walsh, C. Battersby, E. Bressert, J. Bally, J. M. D. Kruijssen, J. Ott, J. Rathborne, L. Testi, N.Bastian, S. Molinari, S. N. Longmore

arxiv:1304.2397 v1 · 2013-04-08 · 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{OBVZ7DA2MCBNVDCO35ABE3EKJS}

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	2026-05-18T01:50:41.440148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

706b9f8c1a6082da8c4edf40126c8a4c822202b9f0447039abebb75bf615bacf

Aliases

arxiv: 1304.2397 · arxiv_version: 1304.2397v1 · doi: 10.48550/arxiv.1304.2397 · pith_short_12: OBVZ7DA2MCBN · pith_short_16: OBVZ7DA2MCBNVDCO · pith_short_8: OBVZ7DA2

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/OBVZ7DA2MCBNVDCO35ABE3EKJS \
  | 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: 706b9f8c1a6082da8c4edf40126c8a4c822202b9f0447039abebb75bf615bacf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6649387c424cb63867cfdc201ac386ea87686b514a2f36bec91b63f2f7269b5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-08T20:00:02Z",
    "title_canon_sha256": "a1b236971a4c6f6a1f35f904a76c1c0489fe276abb053be4a57452e5756368a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2397",
    "kind": "arxiv",
    "version": 1
  }
}