{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:7BIMYBJOVTFEXH22H4QJM225KP","short_pith_number":"pith:7BIMYBJO","canonical_record":{"source":{"id":"1903.02457","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-06T15:52:55Z","cross_cats_sorted":[],"title_canon_sha256":"5061884cd81e831f0e8d99a094dac22c0951d0e2bba75b15e86aa0cd1bbee610","abstract_canon_sha256":"e6fe74054b7698dcea56be40a774c5ddad24e945d9b84be04ee39d17f765be15"},"schema_version":"1.0"},"canonical_sha256":"f850cc052eacca4b9f5a3f20966b5d53dbea5a7756ba086fa49389f6e2a320bc","source":{"kind":"arxiv","id":"1903.02457","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.02457","created_at":"2026-05-17T23:48:30Z"},{"alias_kind":"arxiv_version","alias_value":"1903.02457v1","created_at":"2026-05-17T23:48:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.02457","created_at":"2026-05-17T23:48:30Z"},{"alias_kind":"pith_short_12","alias_value":"7BIMYBJOVTFE","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"7BIMYBJOVTFEXH22","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"7BIMYBJO","created_at":"2026-05-18T12:33:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:7BIMYBJOVTFEXH22H4QJM225KP","target":"record","payload":{"canonical_record":{"source":{"id":"1903.02457","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-06T15:52:55Z","cross_cats_sorted":[],"title_canon_sha256":"5061884cd81e831f0e8d99a094dac22c0951d0e2bba75b15e86aa0cd1bbee610","abstract_canon_sha256":"e6fe74054b7698dcea56be40a774c5ddad24e945d9b84be04ee39d17f765be15"},"schema_version":"1.0"},"canonical_sha256":"f850cc052eacca4b9f5a3f20966b5d53dbea5a7756ba086fa49389f6e2a320bc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:30.072278Z","signature_b64":"SXaG1zBvIJbyBGMdqK+SehCLE9xLF6D4ioWMzhiK4L92Drz+Qp0yXBSFeus2Sx1BZBrUfzxkSeAMm3aBo5cNDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f850cc052eacca4b9f5a3f20966b5d53dbea5a7756ba086fa49389f6e2a320bc","last_reissued_at":"2026-05-17T23:48:30.071771Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:30.071771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.02457","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:48:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U2wXqtBlpTe4nnxTAGa+VFjpIhqG7hD53NbnkjOiG5XxLr/8TsmH4nzCoqpJNO9XWXejVeW0c4jgSxOkmD5jBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:44:30.601246Z"},"content_sha256":"184af3445e21bb2ca1052f58d00c71de8524df9a7990c8c19362cc602ad7a185","schema_version":"1.0","event_id":"sha256:184af3445e21bb2ca1052f58d00c71de8524df9a7990c8c19362cc602ad7a185"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:7BIMYBJOVTFEXH22H4QJM225KP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolution of the progenitors of SNe 1993J and 2011dh revealed through late time radio and X-ray studies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Barnali Das, Elena Sorokina, Esha Kundu, Evan O'Connor, Mattias Ergon, Miguel A. P\\'erez-Torres, Peter Lundqvist, Poonam Chandra, Sergei Blinnikov","submitted_at":"2019-03-06T15:52:55Z","abstract_excerpt":"We perform hydrodynamical simulations of the interaction between supernova (SN) ejecta and circumstellar medium (CSM) for SN 1993J and SN 2011dh, and calculate the radio and X-ray emissions expected from the shocked gas at late epochs ($t$). Considering the ejecta structure from multi-group radiation hydrodynamics simulation, we find that the observed rapid drop in radio and X-ray light curves of SN 1993J at $t>$3000 days can be due to a change in the mass-loss rate ($\\dot M$) around $\\sim$6500 years prior to the explosion of the SN. The exact epoch scales inversely with the assumed wind veloc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.02457","kind":"arxiv","version":1},"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":"2026-05-17T23:48:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"umHgB6Y7K+pehclkDd7dbZ1ZNELzh7XNJcZAZw7ekLr5Pb52wvqM+ATPuVZooYX4u+mm4v6h5zTxtuyscljSDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:44:30.601641Z"},"content_sha256":"6c94c87f72b2e6f4245b8c4a662f5f7e70805e618b012796e1988a911c65ad31","schema_version":"1.0","event_id":"sha256:6c94c87f72b2e6f4245b8c4a662f5f7e70805e618b012796e1988a911c65ad31"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7BIMYBJOVTFEXH22H4QJM225KP/bundle.json","state_url":"https://pith.science/pith/7BIMYBJOVTFEXH22H4QJM225KP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7BIMYBJOVTFEXH22H4QJM225KP/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":"2026-05-26T09:44:30Z","links":{"resolver":"https://pith.science/pith/7BIMYBJOVTFEXH22H4QJM225KP","bundle":"https://pith.science/pith/7BIMYBJOVTFEXH22H4QJM225KP/bundle.json","state":"https://pith.science/pith/7BIMYBJOVTFEXH22H4QJM225KP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7BIMYBJOVTFEXH22H4QJM225KP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:7BIMYBJOVTFEXH22H4QJM225KP","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":"e6fe74054b7698dcea56be40a774c5ddad24e945d9b84be04ee39d17f765be15","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-06T15:52:55Z","title_canon_sha256":"5061884cd81e831f0e8d99a094dac22c0951d0e2bba75b15e86aa0cd1bbee610"},"schema_version":"1.0","source":{"id":"1903.02457","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.02457","created_at":"2026-05-17T23:48:30Z"},{"alias_kind":"arxiv_version","alias_value":"1903.02457v1","created_at":"2026-05-17T23:48:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.02457","created_at":"2026-05-17T23:48:30Z"},{"alias_kind":"pith_short_12","alias_value":"7BIMYBJOVTFE","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"7BIMYBJOVTFEXH22","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"7BIMYBJO","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:6c94c87f72b2e6f4245b8c4a662f5f7e70805e618b012796e1988a911c65ad31","target":"graph","created_at":"2026-05-17T23:48:30Z","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":"We perform hydrodynamical simulations of the interaction between supernova (SN) ejecta and circumstellar medium (CSM) for SN 1993J and SN 2011dh, and calculate the radio and X-ray emissions expected from the shocked gas at late epochs ($t$). Considering the ejecta structure from multi-group radiation hydrodynamics simulation, we find that the observed rapid drop in radio and X-ray light curves of SN 1993J at $t>$3000 days can be due to a change in the mass-loss rate ($\\dot M$) around $\\sim$6500 years prior to the explosion of the SN. The exact epoch scales inversely with the assumed wind veloc","authors_text":"Barnali Das, Elena Sorokina, Esha Kundu, Evan O'Connor, Mattias Ergon, Miguel A. P\\'erez-Torres, Peter Lundqvist, Poonam Chandra, Sergei Blinnikov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-06T15:52:55Z","title":"Evolution of the progenitors of SNe 1993J and 2011dh revealed through late time radio and X-ray studies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.02457","kind":"arxiv","version":1},"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":"sha256:184af3445e21bb2ca1052f58d00c71de8524df9a7990c8c19362cc602ad7a185","target":"record","created_at":"2026-05-17T23:48:30Z","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":"e6fe74054b7698dcea56be40a774c5ddad24e945d9b84be04ee39d17f765be15","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-03-06T15:52:55Z","title_canon_sha256":"5061884cd81e831f0e8d99a094dac22c0951d0e2bba75b15e86aa0cd1bbee610"},"schema_version":"1.0","source":{"id":"1903.02457","kind":"arxiv","version":1}},"canonical_sha256":"f850cc052eacca4b9f5a3f20966b5d53dbea5a7756ba086fa49389f6e2a320bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f850cc052eacca4b9f5a3f20966b5d53dbea5a7756ba086fa49389f6e2a320bc","first_computed_at":"2026-05-17T23:48:30.071771Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:30.071771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SXaG1zBvIJbyBGMdqK+SehCLE9xLF6D4ioWMzhiK4L92Drz+Qp0yXBSFeus2Sx1BZBrUfzxkSeAMm3aBo5cNDQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:30.072278Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.02457","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:184af3445e21bb2ca1052f58d00c71de8524df9a7990c8c19362cc602ad7a185","sha256:6c94c87f72b2e6f4245b8c4a662f5f7e70805e618b012796e1988a911c65ad31"],"state_sha256":"ee099b3f2647783c08314ea729125f80b5ff892e4011d9de455a7764a059d293"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LnvaUcVu/h3Dj0Vde7+sGC6muiHwGwpjrlFYHDbFN5NwsyOolgpAcbz8n8f6ThKFOPtObHX2ZXzYQ4KQm7fqCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T09:44:30.605339Z","bundle_sha256":"f6ec2d2a52bf60c4beb1ebf56bc405d7266dc7c21ee66fed75b51e8eaa3bbce9"}}