{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:3EM3R6GIPS5W23RYC3TQBY45NY","short_pith_number":"pith:3EM3R6GI","canonical_record":{"source":{"id":"1604.08357","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-04-28T09:35:32Z","cross_cats_sorted":[],"title_canon_sha256":"409d4d9d1fb48914cbe2f4debc71ba6de97737a1016bb034b7e213a9ad319235","abstract_canon_sha256":"5e11fd4122d6df2358e11c65ce3ba1313ec7b53e60fd56e04c017406d38d9376"},"schema_version":"1.0"},"canonical_sha256":"d919b8f8c87cbb6d6e3816e700e39d6e1d7bb752732004e9d55a9875608fcb2a","source":{"kind":"arxiv","id":"1604.08357","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.08357","created_at":"2026-05-18T01:14:58Z"},{"alias_kind":"arxiv_version","alias_value":"1604.08357v1","created_at":"2026-05-18T01:14:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.08357","created_at":"2026-05-18T01:14:58Z"},{"alias_kind":"pith_short_12","alias_value":"3EM3R6GIPS5W","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"3EM3R6GIPS5W23RY","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"3EM3R6GI","created_at":"2026-05-18T12:29:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:3EM3R6GIPS5W23RYC3TQBY45NY","target":"record","payload":{"canonical_record":{"source":{"id":"1604.08357","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-04-28T09:35:32Z","cross_cats_sorted":[],"title_canon_sha256":"409d4d9d1fb48914cbe2f4debc71ba6de97737a1016bb034b7e213a9ad319235","abstract_canon_sha256":"5e11fd4122d6df2358e11c65ce3ba1313ec7b53e60fd56e04c017406d38d9376"},"schema_version":"1.0"},"canonical_sha256":"d919b8f8c87cbb6d6e3816e700e39d6e1d7bb752732004e9d55a9875608fcb2a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:14:58.452523Z","signature_b64":"h+2vEjBvykiJMqkCCwB0PFL4Wwmhlo0/V73hEuBq30OK0vgeH9fwJKI8cchoXsDKuzfWDzIDbemATML1Xap2BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d919b8f8c87cbb6d6e3816e700e39d6e1d7bb752732004e9d55a9875608fcb2a","last_reissued_at":"2026-05-18T01:14:58.452130Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:14:58.452130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.08357","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":"2026-05-18T01:14:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wj1lSkaWeneGXRhuu7yISlmHHDf2BPVmz7AcQbS7SxmhXMmTDRr6tz9Kh6Aic1PU6Hxjgf7+BBww5/fdk2q3Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T21:18:34.749249Z"},"content_sha256":"593a925df6abb615e62425df765add2b1a1b433cc32caf35885f3af452d95d77","schema_version":"1.0","event_id":"sha256:593a925df6abb615e62425df765add2b1a1b433cc32caf35885f3af452d95d77"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:3EM3R6GIPS5W23RYC3TQBY45NY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A signaling protocol for service function localization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Dario Valocchi, Gianluca Reali, Mauro Femminella","submitted_at":"2016-04-28T09:35:32Z","abstract_excerpt":"Current proposals for combining service functions (SFs) do not address some critical management issues, such as the discovery of SF instances close to IP data paths. This information is crucial for deploying complex services both in large cloud networks, where SFs may be moved or replicated, and in the emerging fog/mobile edge computing systems. For this purpose, in this letter we propose the distributed off-path signaling protocol (OSP). We show the protocol functions and demonstrate its scalability and effectiveness by experimental results."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.08357","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":"2026-05-18T01:14:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5+nHnpM2+2m77/UAdWXY+e2RVM99ZpidxvMMUvFMPSVcP8fXqVSKgqNjQSGMELhP/zP+Lhr1rEP/g4FK+hD3Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T21:18:34.749614Z"},"content_sha256":"4ba40b221b236a16c3a3e15edafd1cfc126b1f0198bad2d8a728ea0e9f39f470","schema_version":"1.0","event_id":"sha256:4ba40b221b236a16c3a3e15edafd1cfc126b1f0198bad2d8a728ea0e9f39f470"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3EM3R6GIPS5W23RYC3TQBY45NY/bundle.json","state_url":"https://pith.science/pith/3EM3R6GIPS5W23RYC3TQBY45NY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3EM3R6GIPS5W23RYC3TQBY45NY/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":"2026-06-03T21:18:34Z","links":{"resolver":"https://pith.science/pith/3EM3R6GIPS5W23RYC3TQBY45NY","bundle":"https://pith.science/pith/3EM3R6GIPS5W23RYC3TQBY45NY/bundle.json","state":"https://pith.science/pith/3EM3R6GIPS5W23RYC3TQBY45NY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3EM3R6GIPS5W23RYC3TQBY45NY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:3EM3R6GIPS5W23RYC3TQBY45NY","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":"5e11fd4122d6df2358e11c65ce3ba1313ec7b53e60fd56e04c017406d38d9376","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-04-28T09:35:32Z","title_canon_sha256":"409d4d9d1fb48914cbe2f4debc71ba6de97737a1016bb034b7e213a9ad319235"},"schema_version":"1.0","source":{"id":"1604.08357","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.08357","created_at":"2026-05-18T01:14:58Z"},{"alias_kind":"arxiv_version","alias_value":"1604.08357v1","created_at":"2026-05-18T01:14:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.08357","created_at":"2026-05-18T01:14:58Z"},{"alias_kind":"pith_short_12","alias_value":"3EM3R6GIPS5W","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"3EM3R6GIPS5W23RY","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"3EM3R6GI","created_at":"2026-05-18T12:29:55Z"}],"graph_snapshots":[{"event_id":"sha256:4ba40b221b236a16c3a3e15edafd1cfc126b1f0198bad2d8a728ea0e9f39f470","target":"graph","created_at":"2026-05-18T01:14:58Z","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":"Current proposals for combining service functions (SFs) do not address some critical management issues, such as the discovery of SF instances close to IP data paths. This information is crucial for deploying complex services both in large cloud networks, where SFs may be moved or replicated, and in the emerging fog/mobile edge computing systems. For this purpose, in this letter we propose the distributed off-path signaling protocol (OSP). We show the protocol functions and demonstrate its scalability and effectiveness by experimental results.","authors_text":"Dario Valocchi, Gianluca Reali, Mauro Femminella","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-04-28T09:35:32Z","title":"A signaling protocol for service function localization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.08357","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":"sha256:593a925df6abb615e62425df765add2b1a1b433cc32caf35885f3af452d95d77","target":"record","created_at":"2026-05-18T01:14:58Z","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":"5e11fd4122d6df2358e11c65ce3ba1313ec7b53e60fd56e04c017406d38d9376","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2016-04-28T09:35:32Z","title_canon_sha256":"409d4d9d1fb48914cbe2f4debc71ba6de97737a1016bb034b7e213a9ad319235"},"schema_version":"1.0","source":{"id":"1604.08357","kind":"arxiv","version":1}},"canonical_sha256":"d919b8f8c87cbb6d6e3816e700e39d6e1d7bb752732004e9d55a9875608fcb2a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d919b8f8c87cbb6d6e3816e700e39d6e1d7bb752732004e9d55a9875608fcb2a","first_computed_at":"2026-05-18T01:14:58.452130Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:14:58.452130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"h+2vEjBvykiJMqkCCwB0PFL4Wwmhlo0/V73hEuBq30OK0vgeH9fwJKI8cchoXsDKuzfWDzIDbemATML1Xap2BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:14:58.452523Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.08357","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:593a925df6abb615e62425df765add2b1a1b433cc32caf35885f3af452d95d77","sha256:4ba40b221b236a16c3a3e15edafd1cfc126b1f0198bad2d8a728ea0e9f39f470"],"state_sha256":"3f941965175649857064373fd3b184b0374dd4273e160f275b09bab0b0df6579"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iHPH4nVMJsAdWu/ElTthzZx/IBMZIJERffzQnkS5E2ATilySiNHgUUaijhqG+2qNx0yZvfS354G8jUaDGbfYCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T21:18:34.751575Z","bundle_sha256":"d3986fe7d71b63f15f5d731973e34f4d9c05059d3593254875e686d49e041479"}}