{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:UCCHAWZ7OT2C2OOV7RUVRLZXWJ","short_pith_number":"pith:UCCHAWZ7","canonical_record":{"source":{"id":"1602.03592","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2016-02-11T01:20:01Z","cross_cats_sorted":[],"title_canon_sha256":"4bb94013700cb4e22c02f33f43143e66bfa6647dc23180f1ad933151f516ce59","abstract_canon_sha256":"790d5862e31cbdc45433ec8e926191cdacc1e0c3ec73a0ee9ddd65feec0acda3"},"schema_version":"1.0"},"canonical_sha256":"a084705b3f74f42d39d5fc6958af37b25524d9f45df45ddedd6cdc8202b3dd87","source":{"kind":"arxiv","id":"1602.03592","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.03592","created_at":"2026-05-18T01:20:58Z"},{"alias_kind":"arxiv_version","alias_value":"1602.03592v1","created_at":"2026-05-18T01:20:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.03592","created_at":"2026-05-18T01:20:58Z"},{"alias_kind":"pith_short_12","alias_value":"UCCHAWZ7OT2C","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UCCHAWZ7OT2C2OOV","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UCCHAWZ7","created_at":"2026-05-18T12:30:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:UCCHAWZ7OT2C2OOV7RUVRLZXWJ","target":"record","payload":{"canonical_record":{"source":{"id":"1602.03592","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2016-02-11T01:20:01Z","cross_cats_sorted":[],"title_canon_sha256":"4bb94013700cb4e22c02f33f43143e66bfa6647dc23180f1ad933151f516ce59","abstract_canon_sha256":"790d5862e31cbdc45433ec8e926191cdacc1e0c3ec73a0ee9ddd65feec0acda3"},"schema_version":"1.0"},"canonical_sha256":"a084705b3f74f42d39d5fc6958af37b25524d9f45df45ddedd6cdc8202b3dd87","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:58.396351Z","signature_b64":"b3AbRn7Fw2V+uNrgJbMCsN/AFD7Z5FctoVkhrydShrzsxfW7meaX1ZR5ZVQBrXQuEztMYhQghi6LljfTqhSODQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a084705b3f74f42d39d5fc6958af37b25524d9f45df45ddedd6cdc8202b3dd87","last_reissued_at":"2026-05-18T01:20:58.395742Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:58.395742Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.03592","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":"2026-05-18T01:20:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R9fmPp0wfwv9VKedxhVCtEq0Jlp/y28g1gfAyk7/SsNPUZPf/oq6tGSGP4oSi0XDug4ylaolvA7z7fPHX3MoCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T10:53:14.522270Z"},"content_sha256":"cd9e857bb21319035a7b6777919bb7cb1867719d375f8fc79e9ad9b0a6c673b9","schema_version":"1.0","event_id":"sha256:cd9e857bb21319035a7b6777919bb7cb1867719d375f8fc79e9ad9b0a6c673b9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:UCCHAWZ7OT2C2OOV7RUVRLZXWJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Broadcast and aggregation in BBC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.LO","authors_text":"Aalborg University), Hans H\\\"uttel (Department of Computer Science, Nuno Pratas (Department of Electronic Systems","submitted_at":"2016-02-11T01:20:01Z","abstract_excerpt":"In distributed systems, where multi-party communication is essential, two communication paradigms are ever present: (1) one-to-many, commonly denoted as broadcast; and (2) many-to-one denoted as aggregation or collection.\n  In this paper we present the BBC process calculus, which inherently models the broadcast and aggregation communication modes. We then apply this process calculus to reason on hierarchical network structure and provide examples on its expressive power."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.03592","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":"2026-05-18T01:20:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5ccdlU3XMPTtuHfZp8kxLENbQfuRju6IeUsoCTppMPQ5ImuFvZvCC0U/L5kfSov9sJnuAiGX0ShXRtIbVa0ZDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T10:53:14.522636Z"},"content_sha256":"55fce11f883b603f7833b7941c69747bb9079abf6d998bcc37e640d2f66fb0da","schema_version":"1.0","event_id":"sha256:55fce11f883b603f7833b7941c69747bb9079abf6d998bcc37e640d2f66fb0da"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UCCHAWZ7OT2C2OOV7RUVRLZXWJ/bundle.json","state_url":"https://pith.science/pith/UCCHAWZ7OT2C2OOV7RUVRLZXWJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UCCHAWZ7OT2C2OOV7RUVRLZXWJ/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":"2026-06-02T10:53:14Z","links":{"resolver":"https://pith.science/pith/UCCHAWZ7OT2C2OOV7RUVRLZXWJ","bundle":"https://pith.science/pith/UCCHAWZ7OT2C2OOV7RUVRLZXWJ/bundle.json","state":"https://pith.science/pith/UCCHAWZ7OT2C2OOV7RUVRLZXWJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UCCHAWZ7OT2C2OOV7RUVRLZXWJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:UCCHAWZ7OT2C2OOV7RUVRLZXWJ","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":"790d5862e31cbdc45433ec8e926191cdacc1e0c3ec73a0ee9ddd65feec0acda3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2016-02-11T01:20:01Z","title_canon_sha256":"4bb94013700cb4e22c02f33f43143e66bfa6647dc23180f1ad933151f516ce59"},"schema_version":"1.0","source":{"id":"1602.03592","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.03592","created_at":"2026-05-18T01:20:58Z"},{"alias_kind":"arxiv_version","alias_value":"1602.03592v1","created_at":"2026-05-18T01:20:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.03592","created_at":"2026-05-18T01:20:58Z"},{"alias_kind":"pith_short_12","alias_value":"UCCHAWZ7OT2C","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UCCHAWZ7OT2C2OOV","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UCCHAWZ7","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:55fce11f883b603f7833b7941c69747bb9079abf6d998bcc37e640d2f66fb0da","target":"graph","created_at":"2026-05-18T01:20:58Z","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":"In distributed systems, where multi-party communication is essential, two communication paradigms are ever present: (1) one-to-many, commonly denoted as broadcast; and (2) many-to-one denoted as aggregation or collection.\n  In this paper we present the BBC process calculus, which inherently models the broadcast and aggregation communication modes. We then apply this process calculus to reason on hierarchical network structure and provide examples on its expressive power.","authors_text":"Aalborg University), Hans H\\\"uttel (Department of Computer Science, Nuno Pratas (Department of Electronic Systems","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2016-02-11T01:20:01Z","title":"Broadcast and aggregation in BBC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.03592","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:cd9e857bb21319035a7b6777919bb7cb1867719d375f8fc79e9ad9b0a6c673b9","target":"record","created_at":"2026-05-18T01:20:58Z","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":"790d5862e31cbdc45433ec8e926191cdacc1e0c3ec73a0ee9ddd65feec0acda3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2016-02-11T01:20:01Z","title_canon_sha256":"4bb94013700cb4e22c02f33f43143e66bfa6647dc23180f1ad933151f516ce59"},"schema_version":"1.0","source":{"id":"1602.03592","kind":"arxiv","version":1}},"canonical_sha256":"a084705b3f74f42d39d5fc6958af37b25524d9f45df45ddedd6cdc8202b3dd87","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a084705b3f74f42d39d5fc6958af37b25524d9f45df45ddedd6cdc8202b3dd87","first_computed_at":"2026-05-18T01:20:58.395742Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:58.395742Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b3AbRn7Fw2V+uNrgJbMCsN/AFD7Z5FctoVkhrydShrzsxfW7meaX1ZR5ZVQBrXQuEztMYhQghi6LljfTqhSODQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:58.396351Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.03592","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd9e857bb21319035a7b6777919bb7cb1867719d375f8fc79e9ad9b0a6c673b9","sha256:55fce11f883b603f7833b7941c69747bb9079abf6d998bcc37e640d2f66fb0da"],"state_sha256":"5eaee45c299689e4db08039925caace5a3026a452cf19683b722598f882bf49b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I12zerTeQGgc5fjr0+aontaGEF67W9Ya25MqTRJZBQLyH73OLYfyIyrFurzwZQ57i1kC10nKj+gdSuASDeePCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T10:53:14.524556Z","bundle_sha256":"9d201d9b18a49bba39dda3916410b4ae70a51dc1cc51f15c7aa0499a512057b5"}}