Pith Number

pith:SIRELAC7

pith:2008:SIRELAC77AJVR55DRTDVAIDQJ6

not attested not anchored not stored refs pending

X-ray variability of NGC 2516 stars in the XMM-Newton observations

A. Marino, G. Micela, G. Peres, I. Pillitteri

arxiv:0801.2300 v2 · 2008-01-15 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SIRELAC77AJVR55DRTDVAIDQJ6}

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	2026-07-04T15:45:00.525312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

922245805ff81358f7a38cc75020704fbe184da017f46a566a4bec7cd134f8c0

Aliases

arxiv: 0801.2300 · arxiv_version: 0801.2300v2 · doi: 10.48550/arxiv.0801.2300 · pith_short_12: SIRELAC77AJV · pith_short_16: SIRELAC77AJVR55D · pith_short_8: SIRELAC7

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/SIRELAC77AJVR55DRTDVAIDQJ6 \
  | 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: 922245805ff81358f7a38cc75020704fbe184da017f46a566a4bec7cd134f8c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4478de8f3a7ff84f87f99b61e230f2b7a00cc8c9c7d471956373850efc72e419",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-01-15T14:03:22Z",
    "title_canon_sha256": "86af3ba48d3c4028f52cb9945b51c3c0f72c49cde5d8262477ca6da978ad0657"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.2300",
    "kind": "arxiv",
    "version": 2
  }
}