{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:7A3TC3WIF5LTZ5NXIZ46X4MQ3A","short_pith_number":"pith:7A3TC3WI","canonical_record":{"source":{"id":"1510.00834","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-03T14:58:54Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"5c896ae74876bb30259b0f0b8515fe9753d1ac30b632fb5a08df0d5ae56954ce","abstract_canon_sha256":"ca38d4a310e308f689dcd05100e7be8c468ab99f478a215f1daeca57c02fd788"},"schema_version":"1.0"},"canonical_sha256":"f837316ec82f573cf5b74679ebf190d8166bd5cd15e95357db40c139dae95514","source":{"kind":"arxiv","id":"1510.00834","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.00834","created_at":"2026-05-18T01:04:22Z"},{"alias_kind":"arxiv_version","alias_value":"1510.00834v2","created_at":"2026-05-18T01:04:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.00834","created_at":"2026-05-18T01:04:22Z"},{"alias_kind":"pith_short_12","alias_value":"7A3TC3WIF5LT","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"7A3TC3WIF5LTZ5NX","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"7A3TC3WI","created_at":"2026-05-18T12:29:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:7A3TC3WIF5LTZ5NXIZ46X4MQ3A","target":"record","payload":{"canonical_record":{"source":{"id":"1510.00834","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-03T14:58:54Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"5c896ae74876bb30259b0f0b8515fe9753d1ac30b632fb5a08df0d5ae56954ce","abstract_canon_sha256":"ca38d4a310e308f689dcd05100e7be8c468ab99f478a215f1daeca57c02fd788"},"schema_version":"1.0"},"canonical_sha256":"f837316ec82f573cf5b74679ebf190d8166bd5cd15e95357db40c139dae95514","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:22.415994Z","signature_b64":"JsHd7H7qMElSMQLoqTjToSONpPEmT3MRbTMyKGbdFnSgoahlpkT9se5E8D6Dvz1gU5avk5oCfcyT8eesSaOGDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f837316ec82f573cf5b74679ebf190d8166bd5cd15e95357db40c139dae95514","last_reissued_at":"2026-05-18T01:04:22.415375Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:22.415375Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.00834","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:04:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4im0yq0hE8zEFjQcr3xumqUEZXUUBZC3RjevDQkzpNLdxxoXh6+ngaVdpsR95Me+tAWfMQrQHHkNptCT+1FcBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T09:59:24.357338Z"},"content_sha256":"a0400fa0f9e58f9b7b81af4c2f0433f9ec02c1be55eff1ff31bdf13bd880c6a6","schema_version":"1.0","event_id":"sha256:a0400fa0f9e58f9b7b81af4c2f0433f9ec02c1be55eff1ff31bdf13bd880c6a6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:7A3TC3WIF5LTZ5NXIZ46X4MQ3A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Type I Superluminous Supernovae as Explosions inside Non-Hydrogen Circumstellar Envelopes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Alexey Tolstov, Elena Sorokina, Ken'ichi Nomoto, Robert Quimby, Sergei Blinnikov","submitted_at":"2015-10-03T14:58:54Z","abstract_excerpt":"A number of Type I (hydrogenless) superluminous supernova (SLSN) events have been discovered recently. However, their nature remains debatable. One of the most promising ideas is the shock-interaction mechanism, but only simplified semi-analytical models have been applied so far. We simulate light curves for several Type I SLSN (SLSN-I) models enshrouded by dense, non-hydrogen circumstellar envelopes, using a multi-group radiation hydrodynamics code that predicts not only bolometric, but also multicolor light curves. We demonstrate that the bulk of SLSNe-I including those with relatively narro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.00834","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:04:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PpJ7mfz4JqnpYhPwBtQ0aQ+1q6jvTQEWcS6g6uc7qCgyoqeuuk+4JwoAmmtSx/9KBzdU6apFawNFG/+tg24RDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T09:59:24.357963Z"},"content_sha256":"b270e9ddeff057616389903d66811fa756eac5c7f2062cabd3b2892c00da0a4f","schema_version":"1.0","event_id":"sha256:b270e9ddeff057616389903d66811fa756eac5c7f2062cabd3b2892c00da0a4f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7A3TC3WIF5LTZ5NXIZ46X4MQ3A/bundle.json","state_url":"https://pith.science/pith/7A3TC3WIF5LTZ5NXIZ46X4MQ3A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7A3TC3WIF5LTZ5NXIZ46X4MQ3A/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-27T09:59:24Z","links":{"resolver":"https://pith.science/pith/7A3TC3WIF5LTZ5NXIZ46X4MQ3A","bundle":"https://pith.science/pith/7A3TC3WIF5LTZ5NXIZ46X4MQ3A/bundle.json","state":"https://pith.science/pith/7A3TC3WIF5LTZ5NXIZ46X4MQ3A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7A3TC3WIF5LTZ5NXIZ46X4MQ3A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:7A3TC3WIF5LTZ5NXIZ46X4MQ3A","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"ca38d4a310e308f689dcd05100e7be8c468ab99f478a215f1daeca57c02fd788","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-03T14:58:54Z","title_canon_sha256":"5c896ae74876bb30259b0f0b8515fe9753d1ac30b632fb5a08df0d5ae56954ce"},"schema_version":"1.0","source":{"id":"1510.00834","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.00834","created_at":"2026-05-18T01:04:22Z"},{"alias_kind":"arxiv_version","alias_value":"1510.00834v2","created_at":"2026-05-18T01:04:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.00834","created_at":"2026-05-18T01:04:22Z"},{"alias_kind":"pith_short_12","alias_value":"7A3TC3WIF5LT","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"7A3TC3WIF5LTZ5NX","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"7A3TC3WI","created_at":"2026-05-18T12:29:07Z"}],"graph_snapshots":[{"event_id":"sha256:b270e9ddeff057616389903d66811fa756eac5c7f2062cabd3b2892c00da0a4f","target":"graph","created_at":"2026-05-18T01:04:22Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"A number of Type I (hydrogenless) superluminous supernova (SLSN) events have been discovered recently. However, their nature remains debatable. One of the most promising ideas is the shock-interaction mechanism, but only simplified semi-analytical models have been applied so far. We simulate light curves for several Type I SLSN (SLSN-I) models enshrouded by dense, non-hydrogen circumstellar envelopes, using a multi-group radiation hydrodynamics code that predicts not only bolometric, but also multicolor light curves. We demonstrate that the bulk of SLSNe-I including those with relatively narro","authors_text":"Alexey Tolstov, Elena Sorokina, Ken'ichi Nomoto, Robert Quimby, Sergei Blinnikov","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-03T14:58:54Z","title":"Type I Superluminous Supernovae as Explosions inside Non-Hydrogen Circumstellar Envelopes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.00834","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:a0400fa0f9e58f9b7b81af4c2f0433f9ec02c1be55eff1ff31bdf13bd880c6a6","target":"record","created_at":"2026-05-18T01:04:22Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"ca38d4a310e308f689dcd05100e7be8c468ab99f478a215f1daeca57c02fd788","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-03T14:58:54Z","title_canon_sha256":"5c896ae74876bb30259b0f0b8515fe9753d1ac30b632fb5a08df0d5ae56954ce"},"schema_version":"1.0","source":{"id":"1510.00834","kind":"arxiv","version":2}},"canonical_sha256":"f837316ec82f573cf5b74679ebf190d8166bd5cd15e95357db40c139dae95514","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f837316ec82f573cf5b74679ebf190d8166bd5cd15e95357db40c139dae95514","first_computed_at":"2026-05-18T01:04:22.415375Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:04:22.415375Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JsHd7H7qMElSMQLoqTjToSONpPEmT3MRbTMyKGbdFnSgoahlpkT9se5E8D6Dvz1gU5avk5oCfcyT8eesSaOGDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:04:22.415994Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.00834","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a0400fa0f9e58f9b7b81af4c2f0433f9ec02c1be55eff1ff31bdf13bd880c6a6","sha256:b270e9ddeff057616389903d66811fa756eac5c7f2062cabd3b2892c00da0a4f"],"state_sha256":"048fe6505832df9a2c3537be4b16d792b45395387a65f72b74744071f7439da1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TmcJDivOOkpnTX5vywxHA0llt39xsGeRmH5BYLh5NczbDMS60NMhkPSPhZLk/mSA600ThFhMj4J1CE6WeapPAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T09:59:24.361173Z","bundle_sha256":"2e54231861c3499f69df46ff2b66b5dfedbe33fbb1ab9b0512773079312f10a8"}}