{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:Z2PTN5U23LZEV3NRWKHN5ZWMPQ","short_pith_number":"pith:Z2PTN5U2","canonical_record":{"source":{"id":"2101.00678","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2021-01-03T18:09:06Z","cross_cats_sorted":[],"title_canon_sha256":"2030e9c952d00ac9162ea6868fd86dd21b9387c3d6ed90f77f041c3346d1af89","abstract_canon_sha256":"8ac44c0a733c620fb6e9b303f1470ebba9a09b50cdd2528b811d5ce9f2cac5da"},"schema_version":"1.0"},"canonical_sha256":"ce9f36f69adaf24aedb1b28edee6cc7c3d6ca99859df6831afd900e715dfe9e5","source":{"kind":"arxiv","id":"2101.00678","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.00678","created_at":"2026-07-05T02:04:20Z"},{"alias_kind":"arxiv_version","alias_value":"2101.00678v1","created_at":"2026-07-05T02:04:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.00678","created_at":"2026-07-05T02:04:20Z"},{"alias_kind":"pith_short_12","alias_value":"Z2PTN5U23LZE","created_at":"2026-07-05T02:04:20Z"},{"alias_kind":"pith_short_16","alias_value":"Z2PTN5U23LZEV3NR","created_at":"2026-07-05T02:04:20Z"},{"alias_kind":"pith_short_8","alias_value":"Z2PTN5U2","created_at":"2026-07-05T02:04:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:Z2PTN5U23LZEV3NRWKHN5ZWMPQ","target":"record","payload":{"canonical_record":{"source":{"id":"2101.00678","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2021-01-03T18:09:06Z","cross_cats_sorted":[],"title_canon_sha256":"2030e9c952d00ac9162ea6868fd86dd21b9387c3d6ed90f77f041c3346d1af89","abstract_canon_sha256":"8ac44c0a733c620fb6e9b303f1470ebba9a09b50cdd2528b811d5ce9f2cac5da"},"schema_version":"1.0"},"canonical_sha256":"ce9f36f69adaf24aedb1b28edee6cc7c3d6ca99859df6831afd900e715dfe9e5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:04:20.769543Z","signature_b64":"vhGumAovK5aA9gV2LxWIPtUEiEooY1xdmQmwZIvk+EwmNbEpeC6H1JEfkE/3hTYxjG3JC+5Wie1P/IwqvqK5BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ce9f36f69adaf24aedb1b28edee6cc7c3d6ca99859df6831afd900e715dfe9e5","last_reissued_at":"2026-07-05T02:04:20.769180Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:04:20.769180Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2101.00678","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":"2026-07-05T02:04:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FFeWqL4Eev+YJf+ERennp1aslospW3Hq3N+S8WkgAOmVZj1tTANdvbM+2/AolgZNdR51YVvt8c18JBcMDJv+DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T21:03:16.724388Z"},"content_sha256":"441c9d4edf480a0383911d3c2ae8a392704ed60f4e521c38a54df40d52cdd1f5","schema_version":"1.0","event_id":"sha256:441c9d4edf480a0383911d3c2ae8a392704ed60f4e521c38a54df40d52cdd1f5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:Z2PTN5U23LZEV3NRWKHN5ZWMPQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mobility-Aware Seamless Handover with MPTCP in Software-Defined HetNets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Changchuan Yin, Haonan Tong, Sihua Wang, Tao Wang, Xuanlin Liu, Yujiao Zhu","submitted_at":"2021-01-03T18:09:06Z","abstract_excerpt":"In this paper, the problem of vertical handover in software-defined network (SDN) based heterogeneous networks (HetNets) is studied. In the studied model, HetNets are required to offer diverse services for mobile users. Using an SDN controller, HetNets have the capability of managing users' access and mobility issues but still have the problems of ping-pong effect and service interruption during vertical handover. To solve these problems, a mobility-aware seamless handover method based on multipath transmission control protocol (MPTCP) is proposed. The proposed handover method is executed in t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.00678","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/2101.00678/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":"2026-07-05T02:04:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SvchpKAmivcRSb7dRqlMxGHt87ixfLyq5ETsPI+gjq6Lh9laJQV/IPbIBf50Gp/PD3YM6x3U4QA1C5RNENpXCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T21:03:16.724918Z"},"content_sha256":"e948c94e14e00fbc06d842b593f8b032542f52abe8f91e44da19fc7cdb880249","schema_version":"1.0","event_id":"sha256:e948c94e14e00fbc06d842b593f8b032542f52abe8f91e44da19fc7cdb880249"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z2PTN5U23LZEV3NRWKHN5ZWMPQ/bundle.json","state_url":"https://pith.science/pith/Z2PTN5U23LZEV3NRWKHN5ZWMPQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z2PTN5U23LZEV3NRWKHN5ZWMPQ/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":"2026-08-03T21:03:16Z","links":{"resolver":"https://pith.science/pith/Z2PTN5U23LZEV3NRWKHN5ZWMPQ","bundle":"https://pith.science/pith/Z2PTN5U23LZEV3NRWKHN5ZWMPQ/bundle.json","state":"https://pith.science/pith/Z2PTN5U23LZEV3NRWKHN5ZWMPQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z2PTN5U23LZEV3NRWKHN5ZWMPQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:Z2PTN5U23LZEV3NRWKHN5ZWMPQ","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":"8ac44c0a733c620fb6e9b303f1470ebba9a09b50cdd2528b811d5ce9f2cac5da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2021-01-03T18:09:06Z","title_canon_sha256":"2030e9c952d00ac9162ea6868fd86dd21b9387c3d6ed90f77f041c3346d1af89"},"schema_version":"1.0","source":{"id":"2101.00678","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.00678","created_at":"2026-07-05T02:04:20Z"},{"alias_kind":"arxiv_version","alias_value":"2101.00678v1","created_at":"2026-07-05T02:04:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.00678","created_at":"2026-07-05T02:04:20Z"},{"alias_kind":"pith_short_12","alias_value":"Z2PTN5U23LZE","created_at":"2026-07-05T02:04:20Z"},{"alias_kind":"pith_short_16","alias_value":"Z2PTN5U23LZEV3NR","created_at":"2026-07-05T02:04:20Z"},{"alias_kind":"pith_short_8","alias_value":"Z2PTN5U2","created_at":"2026-07-05T02:04:20Z"}],"graph_snapshots":[{"event_id":"sha256:e948c94e14e00fbc06d842b593f8b032542f52abe8f91e44da19fc7cdb880249","target":"graph","created_at":"2026-07-05T02:04:20Z","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/2101.00678/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, the problem of vertical handover in software-defined network (SDN) based heterogeneous networks (HetNets) is studied. In the studied model, HetNets are required to offer diverse services for mobile users. Using an SDN controller, HetNets have the capability of managing users' access and mobility issues but still have the problems of ping-pong effect and service interruption during vertical handover. To solve these problems, a mobility-aware seamless handover method based on multipath transmission control protocol (MPTCP) is proposed. The proposed handover method is executed in t","authors_text":"Changchuan Yin, Haonan Tong, Sihua Wang, Tao Wang, Xuanlin Liu, Yujiao Zhu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2021-01-03T18:09:06Z","title":"Mobility-Aware Seamless Handover with MPTCP in Software-Defined HetNets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.00678","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":"sha256:441c9d4edf480a0383911d3c2ae8a392704ed60f4e521c38a54df40d52cdd1f5","target":"record","created_at":"2026-07-05T02:04:20Z","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":"8ac44c0a733c620fb6e9b303f1470ebba9a09b50cdd2528b811d5ce9f2cac5da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2021-01-03T18:09:06Z","title_canon_sha256":"2030e9c952d00ac9162ea6868fd86dd21b9387c3d6ed90f77f041c3346d1af89"},"schema_version":"1.0","source":{"id":"2101.00678","kind":"arxiv","version":1}},"canonical_sha256":"ce9f36f69adaf24aedb1b28edee6cc7c3d6ca99859df6831afd900e715dfe9e5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ce9f36f69adaf24aedb1b28edee6cc7c3d6ca99859df6831afd900e715dfe9e5","first_computed_at":"2026-07-05T02:04:20.769180Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:04:20.769180Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vhGumAovK5aA9gV2LxWIPtUEiEooY1xdmQmwZIvk+EwmNbEpeC6H1JEfkE/3hTYxjG3JC+5Wie1P/IwqvqK5BQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:04:20.769543Z","signed_message":"canonical_sha256_bytes"},"source_id":"2101.00678","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:441c9d4edf480a0383911d3c2ae8a392704ed60f4e521c38a54df40d52cdd1f5","sha256:e948c94e14e00fbc06d842b593f8b032542f52abe8f91e44da19fc7cdb880249"],"state_sha256":"3db06b83fece2bced42267a9aa2e72e0c8725d498ddd8b9dac327f8e394297c8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M6LL0MnENbgaRMbnRIn1CoAv9IQD1EoMEIsZQP36tTwx6gI/dXuwB/3qwYskjkPkFioB5Te2EF1yLbKkgnIZDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T21:03:16.728319Z","bundle_sha256":"6006aaf7b136efcb9d576d4aeaa564d32945deec3812fa48d80beb100b220429"}}