{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:E52P7F24I4XLP7QWV6XS55P6HN","short_pith_number":"pith:E52P7F24","canonical_record":{"source":{"id":"2107.06086","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2021-07-08T09:46:27Z","cross_cats_sorted":[],"title_canon_sha256":"c5c44d30ba89307e22f1d7086e54da92ce3f5337e3ee0fc739d33e16ecd6b3ba","abstract_canon_sha256":"9949fee4762b34c7e182bdad17c5e19a495e20a8f5231fe7734267dac67a4943"},"schema_version":"1.0"},"canonical_sha256":"2774ff975c472eb7fe16afaf2ef5fe3b60662d2fedc9da4898cf987dec35d2ee","source":{"kind":"arxiv","id":"2107.06086","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.06086","created_at":"2026-07-05T03:11:13Z"},{"alias_kind":"arxiv_version","alias_value":"2107.06086v1","created_at":"2026-07-05T03:11:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.06086","created_at":"2026-07-05T03:11:13Z"},{"alias_kind":"pith_short_12","alias_value":"E52P7F24I4XL","created_at":"2026-07-05T03:11:13Z"},{"alias_kind":"pith_short_16","alias_value":"E52P7F24I4XLP7QW","created_at":"2026-07-05T03:11:13Z"},{"alias_kind":"pith_short_8","alias_value":"E52P7F24","created_at":"2026-07-05T03:11:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:E52P7F24I4XLP7QWV6XS55P6HN","target":"record","payload":{"canonical_record":{"source":{"id":"2107.06086","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2021-07-08T09:46:27Z","cross_cats_sorted":[],"title_canon_sha256":"c5c44d30ba89307e22f1d7086e54da92ce3f5337e3ee0fc739d33e16ecd6b3ba","abstract_canon_sha256":"9949fee4762b34c7e182bdad17c5e19a495e20a8f5231fe7734267dac67a4943"},"schema_version":"1.0"},"canonical_sha256":"2774ff975c472eb7fe16afaf2ef5fe3b60662d2fedc9da4898cf987dec35d2ee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:11:13.682709Z","signature_b64":"Ldcj+/MXu2BDls87sEzjWM3VeqMCLTDUXebHu/PYzReo65vLkH19UiyNuiy6P9rLiWJrK1cjd7JGT/SBivHlDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2774ff975c472eb7fe16afaf2ef5fe3b60662d2fedc9da4898cf987dec35d2ee","last_reissued_at":"2026-07-05T03:11:13.682325Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:11:13.682325Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.06086","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":"2026-07-05T03:11:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"faFngRFmrziaI7nwDpgTIYbO6hdi0nrRLDhXQjeoeCTmlYSlAJ2aJKkluOCvfxANpuVv1J3Cd1QeMusBC0GMCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:42:38.029152Z"},"content_sha256":"8e5a9a89e34f0a570f5f9a0382617844ccd8bafb384d06b15690219c05b6877d","schema_version":"1.0","event_id":"sha256:8e5a9a89e34f0a570f5f9a0382617844ccd8bafb384d06b15690219c05b6877d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:E52P7F24I4XLP7QWV6XS55P6HN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Adaptive Large Neighborhood Search for Vehicle Routing Problems with Transshipment Facilities Arising in City Logistics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.soc-ph","authors_text":"Christian Friedrich, Ralf Elbert","submitted_at":"2021-07-08T09:46:27Z","abstract_excerpt":"In this paper, we investigate vehicle routing problems with third-party transshipment facilities that arise in the context of city logistics. Contrary to classical vehicle routing problems, where each customer request is delivered directly to its destination, the problems considered in this paper feature the alternative possibility of delivering customer requests to third-party transshipment facilities, such as urban consolidation centers, for a fee. We present an adaptive large neighborhood search with an embedded random variable neighborhood descent as a local search component and a set-part"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.06086","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2107.06086/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:11:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yl78AewSr1GgxgslM3+KSWfSWLw6o7wEkbS+KCAxPWRNwzGYoFW1k6lclkNbbIYYadPiiwXS9jMmbbFy9PVkCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:42:38.029533Z"},"content_sha256":"6ed470a7e15cb9f5bee7fbc6ef5acd226241c24de0f4ced91da5a039122c4335","schema_version":"1.0","event_id":"sha256:6ed470a7e15cb9f5bee7fbc6ef5acd226241c24de0f4ced91da5a039122c4335"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E52P7F24I4XLP7QWV6XS55P6HN/bundle.json","state_url":"https://pith.science/pith/E52P7F24I4XLP7QWV6XS55P6HN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E52P7F24I4XLP7QWV6XS55P6HN/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":"2026-07-07T08:42:38Z","links":{"resolver":"https://pith.science/pith/E52P7F24I4XLP7QWV6XS55P6HN","bundle":"https://pith.science/pith/E52P7F24I4XLP7QWV6XS55P6HN/bundle.json","state":"https://pith.science/pith/E52P7F24I4XLP7QWV6XS55P6HN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E52P7F24I4XLP7QWV6XS55P6HN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:E52P7F24I4XLP7QWV6XS55P6HN","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":"9949fee4762b34c7e182bdad17c5e19a495e20a8f5231fe7734267dac67a4943","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2021-07-08T09:46:27Z","title_canon_sha256":"c5c44d30ba89307e22f1d7086e54da92ce3f5337e3ee0fc739d33e16ecd6b3ba"},"schema_version":"1.0","source":{"id":"2107.06086","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.06086","created_at":"2026-07-05T03:11:13Z"},{"alias_kind":"arxiv_version","alias_value":"2107.06086v1","created_at":"2026-07-05T03:11:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.06086","created_at":"2026-07-05T03:11:13Z"},{"alias_kind":"pith_short_12","alias_value":"E52P7F24I4XL","created_at":"2026-07-05T03:11:13Z"},{"alias_kind":"pith_short_16","alias_value":"E52P7F24I4XLP7QW","created_at":"2026-07-05T03:11:13Z"},{"alias_kind":"pith_short_8","alias_value":"E52P7F24","created_at":"2026-07-05T03:11:13Z"}],"graph_snapshots":[{"event_id":"sha256:6ed470a7e15cb9f5bee7fbc6ef5acd226241c24de0f4ced91da5a039122c4335","target":"graph","created_at":"2026-07-05T03:11:13Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2107.06086/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we investigate vehicle routing problems with third-party transshipment facilities that arise in the context of city logistics. Contrary to classical vehicle routing problems, where each customer request is delivered directly to its destination, the problems considered in this paper feature the alternative possibility of delivering customer requests to third-party transshipment facilities, such as urban consolidation centers, for a fee. We present an adaptive large neighborhood search with an embedded random variable neighborhood descent as a local search component and a set-part","authors_text":"Christian Friedrich, Ralf Elbert","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2021-07-08T09:46:27Z","title":"Adaptive Large Neighborhood Search for Vehicle Routing Problems with Transshipment Facilities Arising in City Logistics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.06086","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":"sha256:8e5a9a89e34f0a570f5f9a0382617844ccd8bafb384d06b15690219c05b6877d","target":"record","created_at":"2026-07-05T03:11:13Z","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":"9949fee4762b34c7e182bdad17c5e19a495e20a8f5231fe7734267dac67a4943","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2021-07-08T09:46:27Z","title_canon_sha256":"c5c44d30ba89307e22f1d7086e54da92ce3f5337e3ee0fc739d33e16ecd6b3ba"},"schema_version":"1.0","source":{"id":"2107.06086","kind":"arxiv","version":1}},"canonical_sha256":"2774ff975c472eb7fe16afaf2ef5fe3b60662d2fedc9da4898cf987dec35d2ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2774ff975c472eb7fe16afaf2ef5fe3b60662d2fedc9da4898cf987dec35d2ee","first_computed_at":"2026-07-05T03:11:13.682325Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:11:13.682325Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ldcj+/MXu2BDls87sEzjWM3VeqMCLTDUXebHu/PYzReo65vLkH19UiyNuiy6P9rLiWJrK1cjd7JGT/SBivHlDg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:11:13.682709Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.06086","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e5a9a89e34f0a570f5f9a0382617844ccd8bafb384d06b15690219c05b6877d","sha256:6ed470a7e15cb9f5bee7fbc6ef5acd226241c24de0f4ced91da5a039122c4335"],"state_sha256":"cf1d55704af646f3a4fdb4b82a5b2002db1dcdb97b0e94547b79c429631dc262"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YB3sOSGEEmDYgn/bWFNMIwhWR1Z6v9VH+l3ImkL0SSCnQahK4kDMEDuGv97uZWGGajdJG9n3166JRxAJHOdIBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T08:42:38.031464Z","bundle_sha256":"6d27a3831be8970106170e5a37ae44b3e63a1322afb8994a04b9daba7178a163"}}