{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:EOWWYCUK75JOYSCH6ZRMWB4ZNN","short_pith_number":"pith:EOWWYCUK","canonical_record":{"source":{"id":"1509.08764","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2015-09-29T14:19:47Z","cross_cats_sorted":[],"title_canon_sha256":"254c5d509707a766559309cc9730af3d55bf4ee81ab2bbf243df5f5a124b3aff","abstract_canon_sha256":"110c6fd99a1187f58624064451a1a6c9fb19e277e5b8e3c63e5bdb973a61d56a"},"schema_version":"1.0"},"canonical_sha256":"23ad6c0a8aff52ec4847f662cb07996b727bb2a0e68eb9b04a8293a0850b213c","source":{"kind":"arxiv","id":"1509.08764","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.08764","created_at":"2026-05-18T00:27:03Z"},{"alias_kind":"arxiv_version","alias_value":"1509.08764v3","created_at":"2026-05-18T00:27:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.08764","created_at":"2026-05-18T00:27:03Z"},{"alias_kind":"pith_short_12","alias_value":"EOWWYCUK75JO","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"EOWWYCUK75JOYSCH","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"EOWWYCUK","created_at":"2026-05-18T12:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:EOWWYCUK75JOYSCH6ZRMWB4ZNN","target":"record","payload":{"canonical_record":{"source":{"id":"1509.08764","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2015-09-29T14:19:47Z","cross_cats_sorted":[],"title_canon_sha256":"254c5d509707a766559309cc9730af3d55bf4ee81ab2bbf243df5f5a124b3aff","abstract_canon_sha256":"110c6fd99a1187f58624064451a1a6c9fb19e277e5b8e3c63e5bdb973a61d56a"},"schema_version":"1.0"},"canonical_sha256":"23ad6c0a8aff52ec4847f662cb07996b727bb2a0e68eb9b04a8293a0850b213c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:03.132860Z","signature_b64":"gcQKl7o1czaa+n1R4Ci166zoayEnkMw4qAf+yNo7998LoWYaYpgMu5jLUishevb3XlhDmFx7oIl6yLfGqobTDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"23ad6c0a8aff52ec4847f662cb07996b727bb2a0e68eb9b04a8293a0850b213c","last_reissued_at":"2026-05-18T00:27:03.132275Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:03.132275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.08764","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:27:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/bycSZG8efB6RZ4mPnfFBJ/BnVAJ/MuAU5RJqYP8WzTTQ8ePssGsNMyKf79eIfUnFX3qJ3ky+PHVK6qZt5yfDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T03:15:23.721682Z"},"content_sha256":"6f79721c52ca6a83367c2d9c771eb373568e554cba2f37259c3d4733283f42ea","schema_version":"1.0","event_id":"sha256:6f79721c52ca6a83367c2d9c771eb373568e554cba2f37259c3d4733283f42ea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:EOWWYCUK75JOYSCH6ZRMWB4ZNN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Min-cost Traveling Salesman Problem with Drone","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Minh Ho\\`ang H\\`a, Quang Dung Pham, Quang Minh Ha, Yves Deville","submitted_at":"2015-09-29T14:19:47Z","abstract_excerpt":"Over the past few years, unmanned aerial vehicles (UAV), also known as drones, have been adopted as part of a new logistic method in the commercial sector called \"last-mile delivery\". In this novel approach, they are deployed alongside trucks to deliver goods to customers to improve the quality of service and reduce the transportation cost. This approach gives rise to a new variant of the traveling salesman problem (TSP), called TSP with drone (TSP-D). A variant of this problem that aims to minimize the time at which truck and drone finish the service (or, in other words, to maximize the quali"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.08764","kind":"arxiv","version":3},"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":"2026-05-18T00:27:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dolJ7Utd6iYtQW8YkSZxXqACZpX8cp2+oKvnCdBArnhaBtTfEDQyVL9dL8XhTv67LgnahhZIo0mUksvv/44ACg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T03:15:23.722415Z"},"content_sha256":"364786c51c22c17bef80fd5f18880b5d5f2350f5c90410929554bf1946dcf59d","schema_version":"1.0","event_id":"sha256:364786c51c22c17bef80fd5f18880b5d5f2350f5c90410929554bf1946dcf59d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EOWWYCUK75JOYSCH6ZRMWB4ZNN/bundle.json","state_url":"https://pith.science/pith/EOWWYCUK75JOYSCH6ZRMWB4ZNN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EOWWYCUK75JOYSCH6ZRMWB4ZNN/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":"2026-05-26T03:15:23Z","links":{"resolver":"https://pith.science/pith/EOWWYCUK75JOYSCH6ZRMWB4ZNN","bundle":"https://pith.science/pith/EOWWYCUK75JOYSCH6ZRMWB4ZNN/bundle.json","state":"https://pith.science/pith/EOWWYCUK75JOYSCH6ZRMWB4ZNN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EOWWYCUK75JOYSCH6ZRMWB4ZNN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:EOWWYCUK75JOYSCH6ZRMWB4ZNN","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":"110c6fd99a1187f58624064451a1a6c9fb19e277e5b8e3c63e5bdb973a61d56a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2015-09-29T14:19:47Z","title_canon_sha256":"254c5d509707a766559309cc9730af3d55bf4ee81ab2bbf243df5f5a124b3aff"},"schema_version":"1.0","source":{"id":"1509.08764","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.08764","created_at":"2026-05-18T00:27:03Z"},{"alias_kind":"arxiv_version","alias_value":"1509.08764v3","created_at":"2026-05-18T00:27:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.08764","created_at":"2026-05-18T00:27:03Z"},{"alias_kind":"pith_short_12","alias_value":"EOWWYCUK75JO","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"EOWWYCUK75JOYSCH","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"EOWWYCUK","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:364786c51c22c17bef80fd5f18880b5d5f2350f5c90410929554bf1946dcf59d","target":"graph","created_at":"2026-05-18T00:27:03Z","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":"Over the past few years, unmanned aerial vehicles (UAV), also known as drones, have been adopted as part of a new logistic method in the commercial sector called \"last-mile delivery\". In this novel approach, they are deployed alongside trucks to deliver goods to customers to improve the quality of service and reduce the transportation cost. This approach gives rise to a new variant of the traveling salesman problem (TSP), called TSP with drone (TSP-D). A variant of this problem that aims to minimize the time at which truck and drone finish the service (or, in other words, to maximize the quali","authors_text":"Minh Ho\\`ang H\\`a, Quang Dung Pham, Quang Minh Ha, Yves Deville","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2015-09-29T14:19:47Z","title":"On the Min-cost Traveling Salesman Problem with Drone"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.08764","kind":"arxiv","version":3},"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":"sha256:6f79721c52ca6a83367c2d9c771eb373568e554cba2f37259c3d4733283f42ea","target":"record","created_at":"2026-05-18T00:27:03Z","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":"110c6fd99a1187f58624064451a1a6c9fb19e277e5b8e3c63e5bdb973a61d56a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2015-09-29T14:19:47Z","title_canon_sha256":"254c5d509707a766559309cc9730af3d55bf4ee81ab2bbf243df5f5a124b3aff"},"schema_version":"1.0","source":{"id":"1509.08764","kind":"arxiv","version":3}},"canonical_sha256":"23ad6c0a8aff52ec4847f662cb07996b727bb2a0e68eb9b04a8293a0850b213c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"23ad6c0a8aff52ec4847f662cb07996b727bb2a0e68eb9b04a8293a0850b213c","first_computed_at":"2026-05-18T00:27:03.132275Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:03.132275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gcQKl7o1czaa+n1R4Ci166zoayEnkMw4qAf+yNo7998LoWYaYpgMu5jLUishevb3XlhDmFx7oIl6yLfGqobTDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:03.132860Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.08764","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f79721c52ca6a83367c2d9c771eb373568e554cba2f37259c3d4733283f42ea","sha256:364786c51c22c17bef80fd5f18880b5d5f2350f5c90410929554bf1946dcf59d"],"state_sha256":"401ea8f596cd55926e81d3230778939bf73a40d02e9265b793db81b0e06893f6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o3yKig8fgTuEvYvwpXVEBlsf5q8DG3VnzaEHycTbtIM9BXx/fVhgZuVVXUWYDm2LKEYwoB61RlhwFW/uJLGHDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T03:15:23.727031Z","bundle_sha256":"00420af0d8d751a9d483ca96ed784cdb65818b46ea8861f01e2251b0047b2195"}}