{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:DGXWZTELFG675T7N5GPYS7DLGG","short_pith_number":"pith:DGXWZTEL","canonical_record":{"source":{"id":"1708.02739","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-09T07:32:17Z","cross_cats_sorted":[],"title_canon_sha256":"623e8c5ae0b142004d7ee38616836af4c002f6805c74d28ac08499489a368097","abstract_canon_sha256":"e7dc23fc91a62e34dd49a4acd80a5faa34db81f4467aed09ca1582e33fc95435"},"schema_version":"1.0"},"canonical_sha256":"19af6ccc8b29bdfecfede99f897c6b318f31421f4ce08ac079160a97ed5d8e24","source":{"kind":"arxiv","id":"1708.02739","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.02739","created_at":"2026-05-18T00:35:30Z"},{"alias_kind":"arxiv_version","alias_value":"1708.02739v1","created_at":"2026-05-18T00:35:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.02739","created_at":"2026-05-18T00:35:30Z"},{"alias_kind":"pith_short_12","alias_value":"DGXWZTELFG67","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"DGXWZTELFG675T7N","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"DGXWZTEL","created_at":"2026-05-18T12:31:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:DGXWZTELFG675T7N5GPYS7DLGG","target":"record","payload":{"canonical_record":{"source":{"id":"1708.02739","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-09T07:32:17Z","cross_cats_sorted":[],"title_canon_sha256":"623e8c5ae0b142004d7ee38616836af4c002f6805c74d28ac08499489a368097","abstract_canon_sha256":"e7dc23fc91a62e34dd49a4acd80a5faa34db81f4467aed09ca1582e33fc95435"},"schema_version":"1.0"},"canonical_sha256":"19af6ccc8b29bdfecfede99f897c6b318f31421f4ce08ac079160a97ed5d8e24","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:35:30.624017Z","signature_b64":"kPEnoljdFwmVZdZq6PbaJQC9ccg1XXOK+nKq/+v41Hsh4E63zecpziUB4AjGCcn0f4Tcd3jeZ1cdFGh+S+rRAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"19af6ccc8b29bdfecfede99f897c6b318f31421f4ce08ac079160a97ed5d8e24","last_reissued_at":"2026-05-18T00:35:30.623513Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:35:30.623513Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.02739","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":"2026-05-18T00:35:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PeuAH4RY4jEXJk9IUg7g0Wt3LJWGNMUSs8nHEZCQipG6Xaev7Hw9hS5RHfU8r7hpeQozfXfUB8LDk2OroVsqAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:37:37.096474Z"},"content_sha256":"bdc1bc2e565865febf65092c2504f9b238571c7a048ed89fc592507315e22e6a","schema_version":"1.0","event_id":"sha256:bdc1bc2e565865febf65092c2504f9b238571c7a048ed89fc592507315e22e6a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:DGXWZTELFG675T7N5GPYS7DLGG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Giant Metrewave Radio Telescope monitoring of the black hole X-ray binary, V404 Cygni, during its June 2015 outburst","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"India), Nissim Kanekar (1) ((1) NCRA-TIFR, Poonam Chandra (1)","submitted_at":"2017-08-09T07:32:17Z","abstract_excerpt":"We report results from a Giant Metrewave Radio Telescope (GMRT) monitoring campaign on the black hole X-ray binary V404 Cygni during its 2015 June outburst. The GMRT observations were carried out at observing frequencies of 1280, 610, 325 and 235 MHz, and extended from June 26.89 UT (a day after the strongest radio/X-ray outburst) to July 12.93 UT. We find the low-frequency radio emission of V404 Cygni to be extremely bright and fast-decaying in the outburst phase, with an inverted spectrum below 1.5 GHz and an intermediate X-ray state. The radio emission settles to a weak, quiescent state $\\a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.02739","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":"2026-05-18T00:35:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H3gzEbdFpNhO6USe2h5gwDfZ5yiVDmn5eXM4O14PuIl6c3aUT7VBFwKVr54F7g1pBt2bRneA5hORLlp53AdBCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T14:37:37.097114Z"},"content_sha256":"e3ac5e90d623d84fff34e01b4b991d9017cecd3231e9988493607257562b9adc","schema_version":"1.0","event_id":"sha256:e3ac5e90d623d84fff34e01b4b991d9017cecd3231e9988493607257562b9adc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DGXWZTELFG675T7N5GPYS7DLGG/bundle.json","state_url":"https://pith.science/pith/DGXWZTELFG675T7N5GPYS7DLGG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DGXWZTELFG675T7N5GPYS7DLGG/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":"2026-05-28T14:37:37Z","links":{"resolver":"https://pith.science/pith/DGXWZTELFG675T7N5GPYS7DLGG","bundle":"https://pith.science/pith/DGXWZTELFG675T7N5GPYS7DLGG/bundle.json","state":"https://pith.science/pith/DGXWZTELFG675T7N5GPYS7DLGG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DGXWZTELFG675T7N5GPYS7DLGG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:DGXWZTELFG675T7N5GPYS7DLGG","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":"e7dc23fc91a62e34dd49a4acd80a5faa34db81f4467aed09ca1582e33fc95435","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-09T07:32:17Z","title_canon_sha256":"623e8c5ae0b142004d7ee38616836af4c002f6805c74d28ac08499489a368097"},"schema_version":"1.0","source":{"id":"1708.02739","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.02739","created_at":"2026-05-18T00:35:30Z"},{"alias_kind":"arxiv_version","alias_value":"1708.02739v1","created_at":"2026-05-18T00:35:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.02739","created_at":"2026-05-18T00:35:30Z"},{"alias_kind":"pith_short_12","alias_value":"DGXWZTELFG67","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_16","alias_value":"DGXWZTELFG675T7N","created_at":"2026-05-18T12:31:10Z"},{"alias_kind":"pith_short_8","alias_value":"DGXWZTEL","created_at":"2026-05-18T12:31:10Z"}],"graph_snapshots":[{"event_id":"sha256:e3ac5e90d623d84fff34e01b4b991d9017cecd3231e9988493607257562b9adc","target":"graph","created_at":"2026-05-18T00:35:30Z","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 report results from a Giant Metrewave Radio Telescope (GMRT) monitoring campaign on the black hole X-ray binary V404 Cygni during its 2015 June outburst. The GMRT observations were carried out at observing frequencies of 1280, 610, 325 and 235 MHz, and extended from June 26.89 UT (a day after the strongest radio/X-ray outburst) to July 12.93 UT. We find the low-frequency radio emission of V404 Cygni to be extremely bright and fast-decaying in the outburst phase, with an inverted spectrum below 1.5 GHz and an intermediate X-ray state. The radio emission settles to a weak, quiescent state $\\a","authors_text":"India), Nissim Kanekar (1) ((1) NCRA-TIFR, Poonam Chandra (1)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-09T07:32:17Z","title":"Giant Metrewave Radio Telescope monitoring of the black hole X-ray binary, V404 Cygni, during its June 2015 outburst"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.02739","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:bdc1bc2e565865febf65092c2504f9b238571c7a048ed89fc592507315e22e6a","target":"record","created_at":"2026-05-18T00:35:30Z","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":"e7dc23fc91a62e34dd49a4acd80a5faa34db81f4467aed09ca1582e33fc95435","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-09T07:32:17Z","title_canon_sha256":"623e8c5ae0b142004d7ee38616836af4c002f6805c74d28ac08499489a368097"},"schema_version":"1.0","source":{"id":"1708.02739","kind":"arxiv","version":1}},"canonical_sha256":"19af6ccc8b29bdfecfede99f897c6b318f31421f4ce08ac079160a97ed5d8e24","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"19af6ccc8b29bdfecfede99f897c6b318f31421f4ce08ac079160a97ed5d8e24","first_computed_at":"2026-05-18T00:35:30.623513Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:35:30.623513Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kPEnoljdFwmVZdZq6PbaJQC9ccg1XXOK+nKq/+v41Hsh4E63zecpziUB4AjGCcn0f4Tcd3jeZ1cdFGh+S+rRAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:35:30.624017Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.02739","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bdc1bc2e565865febf65092c2504f9b238571c7a048ed89fc592507315e22e6a","sha256:e3ac5e90d623d84fff34e01b4b991d9017cecd3231e9988493607257562b9adc"],"state_sha256":"38170cb7cb0baa010a0534dd1b6d4606a9c0fba4a2ef32f391b2843f86f87d65"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6vsGF7ozQe410bPCk67EYZEqeItGFwFkdHLc5LT5/7pkKXOUVlxLfC6f3ShawOFwiKaeQF4NmUehTZ6Rdo1DBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T14:37:37.100233Z","bundle_sha256":"37e3e2bcc55d3ec9c705259bf48cf5654e68b976d6b6d576308aee0146091999"}}