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Theories of the formation and evolution of small bodies in planetary systems predict that they may escape into interstellar space at any time. After having characterized just two such interlopers -1I/2017 U1 (Oumuamua) and 2I/Borisov more questions were raised than answered. Assessing the recently discovered interstellar comet 3I/ATLAS will only broaden our understanding of this complex topic.\n  Aims. Here, we investigate the spectral, cometary, and rotational properties of 3I/ATLAS as well as its dynamical context.\n  Methods. We identified the spectral type of 3I/ATLAS from the visib"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2507.12922","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-07-17T09:03:52Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"50dff7fdc32c5483de542fea4853eea2b3f5941ff907056d263d3c6d7fe7c668","abstract_canon_sha256":"b79d73c5976a7474bd6e545a1e1f4d674545d8ce48b4c3671eb74197a783678b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:52:50.088331Z","signature_b64":"ukmIoc/Dky2mLsAP6ECK8LbXdGEmM5SISk6rtB8RHhpYZOSlo5Ol6yUzUdRzg6Tc7SQFCRHqjU7W7gS4NVhuBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"01491f8a42dec58c7c06bda80084dc1a69e5eef10dd4b031009b635ddce1f987","last_reissued_at":"2026-07-05T11:52:50.087713Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:52:50.087713Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Assessing interstellar comet 3I/ATLAS with the 10.4 m Gran Telescopio Canarias and the Two-meter Twin Telescope","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.EP","authors_text":"A. Cabrera-Lavers, A. Tejero, C. de la Fuente Marcos, G. Lombardi, I. Ruiz Cejudo, J. de Leon, J. Licandro, M. R. Alarcon, M Serra-Ricart, R. de la Fuente Marcos, S. Guerra Arencibia","submitted_at":"2025-07-17T09:03:52Z","abstract_excerpt":"Context. Theories of the formation and evolution of small bodies in planetary systems predict that they may escape into interstellar space at any time. After having characterized just two such interlopers -1I/2017 U1 (Oumuamua) and 2I/Borisov more questions were raised than answered. Assessing the recently discovered interstellar comet 3I/ATLAS will only broaden our understanding of this complex topic.\n  Aims. Here, we investigate the spectral, cometary, and rotational properties of 3I/ATLAS as well as its dynamical context.\n  Methods. 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