pith. sign in
Pith Number

pith:QX4CSMFT

pith:2007:QX4CSMFTS2CD2ZC2G4KB4HMAEP
not attested not anchored not stored refs pending

Unveiling the nature of RX J0002+6246 with XMM-Newton

A. De Luca, A. Paizis, A. Tiengo, P. A. Caraveo, P. Esposito, S. Mereghetti

arxiv:0711.0827 v1 · 2007-11-06 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QX4CSMFTS2CD2ZC2G4KB4HMAEP}

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 2026-07-04T15:38:21.679265Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

85f82930b396843d645a37141e1d8023dcb914139cf0a06beb20f72428109f42

Aliases

arxiv: 0711.0827 · arxiv_version: 0711.0827v1 · doi: 10.48550/arxiv.0711.0827 · pith_short_12: QX4CSMFTS2CD · pith_short_16: QX4CSMFTS2CD2ZC2 · pith_short_8: QX4CSMFT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QX4CSMFTS2CD2ZC2G4KB4HMAEP \
  | 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: 85f82930b396843d645a37141e1d8023dcb914139cf0a06beb20f72428109f42
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7959436e8ec3cc3bc7eca213973e9d33ec8b742dd20d3f8f02267b7aae8688f2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-11-06T10:17:18Z",
    "title_canon_sha256": "2c71849aff2a8208919697310da8a9e2e40e3ff523fc0a87b0d87d8a6d6dca49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.0827",
    "kind": "arxiv",
    "version": 1
  }
}