{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:XCD5MVEFHFZ777VHMDXMNNPOVI","short_pith_number":"pith:XCD5MVEF","canonical_record":{"source":{"id":"1205.3056","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-05-14T15:05:53Z","cross_cats_sorted":[],"title_canon_sha256":"9c11e29048501c0cf8ff0fa7fe7d2b104515d9c6e8b3395135d50bbd9a09d43c","abstract_canon_sha256":"8bc505885bc929650ae67c83eaa26524339b45db8e1e280e31ec413fef1ca68e"},"schema_version":"1.0"},"canonical_sha256":"b887d654853973fffea760eec6b5eeaa3bc4699303c0068c0351467f6f401836","source":{"kind":"arxiv","id":"1205.3056","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.3056","created_at":"2026-05-18T03:55:45Z"},{"alias_kind":"arxiv_version","alias_value":"1205.3056v1","created_at":"2026-05-18T03:55:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.3056","created_at":"2026-05-18T03:55:45Z"},{"alias_kind":"pith_short_12","alias_value":"XCD5MVEFHFZ7","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XCD5MVEFHFZ777VH","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XCD5MVEF","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:XCD5MVEFHFZ777VHMDXMNNPOVI","target":"record","payload":{"canonical_record":{"source":{"id":"1205.3056","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-05-14T15:05:53Z","cross_cats_sorted":[],"title_canon_sha256":"9c11e29048501c0cf8ff0fa7fe7d2b104515d9c6e8b3395135d50bbd9a09d43c","abstract_canon_sha256":"8bc505885bc929650ae67c83eaa26524339b45db8e1e280e31ec413fef1ca68e"},"schema_version":"1.0"},"canonical_sha256":"b887d654853973fffea760eec6b5eeaa3bc4699303c0068c0351467f6f401836","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:55:45.368185Z","signature_b64":"7AU8tSJjPwLb/uHuiWlZjJ+rI9Rg9w1RlT9zHi+0jetV9EeOz426GrPV/oiNc33dMJOofy/juXgIy642DWUkDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b887d654853973fffea760eec6b5eeaa3bc4699303c0068c0351467f6f401836","last_reissued_at":"2026-05-18T03:55:45.367713Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:55:45.367713Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1205.3056","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":"2026-05-18T03:55:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JzejdiZAYF3x/ZaAsuU7Wq5myj62SNb0XfeAb8SDySjufMImjbwP4vWTwb8y0wlY7PPNLCydr7lUeNbb+Oc1Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T11:25:53.189842Z"},"content_sha256":"06ca974ed3de25cb8e0b19290bd6b3e02c02acf45b79589980928ed14159f30a","schema_version":"1.0","event_id":"sha256:06ca974ed3de25cb8e0b19290bd6b3e02c02acf45b79589980928ed14159f30a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:XCD5MVEFHFZ777VHMDXMNNPOVI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"AARTFAAC: Towards a 24x7, All-sky Monitor for LOFAR","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Peeyush Prasad, Stefan J. Wijnholds","submitted_at":"2012-05-14T15:05:53Z","abstract_excerpt":"The AARTFAAC project aims to implement an All-Sky Monitor (ASM), using the Low Frequency Array (LOFAR) telescope. It will enable real-time, 24x7 monitoring for low frequency radio transients over most of the sky locally visible to the LOFAR at timescales ranging from milliseconds to several days, and rapid triggering of follow-up observations with the full LOFAR on detection of potential transient candidates. These requirements pose several implementation challenges: imaging of an all-sky field of view, low latencies of processing, continuous availability and autonomous operation of the ASM. T"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.3056","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":"2026-05-18T03:55:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zJVz9oU1VD5mUyGS9Uky3xJAZG800oHiDKyWiFv01lWzWvF73NUc+uqBpABlIWNkWjPRQjaej4JQJJLLq+yrBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T11:25:53.190208Z"},"content_sha256":"ae4263504566f2e6abd310e2c3134a56bbc89e85ed131819b41d220c4fa059ac","schema_version":"1.0","event_id":"sha256:ae4263504566f2e6abd310e2c3134a56bbc89e85ed131819b41d220c4fa059ac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XCD5MVEFHFZ777VHMDXMNNPOVI/bundle.json","state_url":"https://pith.science/pith/XCD5MVEFHFZ777VHMDXMNNPOVI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XCD5MVEFHFZ777VHMDXMNNPOVI/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":"2026-06-06T11:25:53Z","links":{"resolver":"https://pith.science/pith/XCD5MVEFHFZ777VHMDXMNNPOVI","bundle":"https://pith.science/pith/XCD5MVEFHFZ777VHMDXMNNPOVI/bundle.json","state":"https://pith.science/pith/XCD5MVEFHFZ777VHMDXMNNPOVI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XCD5MVEFHFZ777VHMDXMNNPOVI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:XCD5MVEFHFZ777VHMDXMNNPOVI","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":"8bc505885bc929650ae67c83eaa26524339b45db8e1e280e31ec413fef1ca68e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-05-14T15:05:53Z","title_canon_sha256":"9c11e29048501c0cf8ff0fa7fe7d2b104515d9c6e8b3395135d50bbd9a09d43c"},"schema_version":"1.0","source":{"id":"1205.3056","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.3056","created_at":"2026-05-18T03:55:45Z"},{"alias_kind":"arxiv_version","alias_value":"1205.3056v1","created_at":"2026-05-18T03:55:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.3056","created_at":"2026-05-18T03:55:45Z"},{"alias_kind":"pith_short_12","alias_value":"XCD5MVEFHFZ7","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XCD5MVEFHFZ777VH","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XCD5MVEF","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:ae4263504566f2e6abd310e2c3134a56bbc89e85ed131819b41d220c4fa059ac","target":"graph","created_at":"2026-05-18T03:55:45Z","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":"The AARTFAAC project aims to implement an All-Sky Monitor (ASM), using the Low Frequency Array (LOFAR) telescope. It will enable real-time, 24x7 monitoring for low frequency radio transients over most of the sky locally visible to the LOFAR at timescales ranging from milliseconds to several days, and rapid triggering of follow-up observations with the full LOFAR on detection of potential transient candidates. These requirements pose several implementation challenges: imaging of an all-sky field of view, low latencies of processing, continuous availability and autonomous operation of the ASM. T","authors_text":"Peeyush Prasad, Stefan J. Wijnholds","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-05-14T15:05:53Z","title":"AARTFAAC: Towards a 24x7, All-sky Monitor for LOFAR"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.3056","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":"sha256:06ca974ed3de25cb8e0b19290bd6b3e02c02acf45b79589980928ed14159f30a","target":"record","created_at":"2026-05-18T03:55:45Z","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":"8bc505885bc929650ae67c83eaa26524339b45db8e1e280e31ec413fef1ca68e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2012-05-14T15:05:53Z","title_canon_sha256":"9c11e29048501c0cf8ff0fa7fe7d2b104515d9c6e8b3395135d50bbd9a09d43c"},"schema_version":"1.0","source":{"id":"1205.3056","kind":"arxiv","version":1}},"canonical_sha256":"b887d654853973fffea760eec6b5eeaa3bc4699303c0068c0351467f6f401836","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b887d654853973fffea760eec6b5eeaa3bc4699303c0068c0351467f6f401836","first_computed_at":"2026-05-18T03:55:45.367713Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:55:45.367713Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7AU8tSJjPwLb/uHuiWlZjJ+rI9Rg9w1RlT9zHi+0jetV9EeOz426GrPV/oiNc33dMJOofy/juXgIy642DWUkDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:55:45.368185Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.3056","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:06ca974ed3de25cb8e0b19290bd6b3e02c02acf45b79589980928ed14159f30a","sha256:ae4263504566f2e6abd310e2c3134a56bbc89e85ed131819b41d220c4fa059ac"],"state_sha256":"723fc4fe97b2fec34bcb290867c51c56534517b50b263d45d99b0ddc8f0a6cc0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+LNl+G6Cgb5qgSp0lMhO3xYOoonNtZZYKOcSzbf9FeI5zkoBFUFv73wSDKzO7zaN4NKr9ShlGK7hujMpVwQFDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T11:25:53.193482Z","bundle_sha256":"c5b59472bae8f51ecb6e35a52c440fdea6c83f07bc5ded399689dae7e7b46cfc"}}