Pith Number

pith:R27XUUG4

pith:2009:R27XUUG4KZRFEAB67JDGILNHMI

not attested not anchored not stored refs pending

On the X-ray emission from massive star clusters and their evolving superbubbles II. Detailed analytics and observational effects

G. A. A\~norve-Zeferino, G. Tenorio-Tagle, S. Silich

arxiv:0903.1678 v1 · 2009-03-10 · astro-ph.CO · 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{R27XUUG4KZRFEAB67JDGILNHMI}

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	2026-05-18T04:29:16.064179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ebf7a50dc566252003efa46642da76221b6dde6fdff4a5635b029f44d2c816d

Aliases

arxiv: 0903.1678 · arxiv_version: 0903.1678v1 · doi: 10.48550/arxiv.0903.1678 · pith_short_12: R27XUUG4KZRF · pith_short_16: R27XUUG4KZRFEAB6 · pith_short_8: R27XUUG4

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/R27XUUG4KZRFEAB67JDGILNHMI \
  | 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: 8ebf7a50dc566252003efa46642da76221b6dde6fdff4a5635b029f44d2c816d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cef9e519b1bf6f1a1ad5909fe1df3d8b34fab9db38cb26c6fe1f1ee6b759e1db",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-10T04:33:32Z",
    "title_canon_sha256": "b67f8b940000bd5264516bee3ec15e4c1eca1574adf03dc2e0513f47f397698f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1678",
    "kind": "arxiv",
    "version": 1
  }
}