{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:PSRC4MRM5VK5IZFWESU5ND2KTO","short_pith_number":"pith:PSRC4MRM","canonical_record":{"source":{"id":"1903.09964","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2019-03-24T10:32:56Z","cross_cats_sorted":[],"title_canon_sha256":"eca0c1b2672224f95abac12120a03f749a4cee334f0d443e0ce1c0f528f8ed6b","abstract_canon_sha256":"fbe268985d7839ac8deb02ea82c74eea7def4dec7b17226ee634f9d6a311c74e"},"schema_version":"1.0"},"canonical_sha256":"7ca22e322ced55d464b624a9d68f4a9ba95483026df7179d786834a2ce968a56","source":{"kind":"arxiv","id":"1903.09964","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.09964","created_at":"2026-05-17T23:50:34Z"},{"alias_kind":"arxiv_version","alias_value":"1903.09964v1","created_at":"2026-05-17T23:50:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.09964","created_at":"2026-05-17T23:50:34Z"},{"alias_kind":"pith_short_12","alias_value":"PSRC4MRM5VK5","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"PSRC4MRM5VK5IZFW","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"PSRC4MRM","created_at":"2026-05-18T12:33:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:PSRC4MRM5VK5IZFWESU5ND2KTO","target":"record","payload":{"canonical_record":{"source":{"id":"1903.09964","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2019-03-24T10:32:56Z","cross_cats_sorted":[],"title_canon_sha256":"eca0c1b2672224f95abac12120a03f749a4cee334f0d443e0ce1c0f528f8ed6b","abstract_canon_sha256":"fbe268985d7839ac8deb02ea82c74eea7def4dec7b17226ee634f9d6a311c74e"},"schema_version":"1.0"},"canonical_sha256":"7ca22e322ced55d464b624a9d68f4a9ba95483026df7179d786834a2ce968a56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:34.914867Z","signature_b64":"i/e9p8vaQwXRB+N4kzty9nG3Ci2UM6fchT7gOligjjFZZ5EcUhfSMBEQIYLjySJZRbyKv0/RZQKxbJTjJjjOAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ca22e322ced55d464b624a9d68f4a9ba95483026df7179d786834a2ce968a56","last_reissued_at":"2026-05-17T23:50:34.914261Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:34.914261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.09964","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":"2026-05-17T23:50:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Eo+u/8pHDnHnUxQnqe0ONkRYUzZpDZHzibakjGZTIGe9/bw6QwyYNcDjZzSR5G7JulQM3YQ4CqNF2LCtlfgCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T10:33:02.627526Z"},"content_sha256":"90dc28d3ce2836b34f464cc670e1c9d9b174952aa80765fe519749c135c302bc","schema_version":"1.0","event_id":"sha256:90dc28d3ce2836b34f464cc670e1c9d9b174952aa80765fe519749c135c302bc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:PSRC4MRM5VK5IZFWESU5ND2KTO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Resource Optimization of Product Development Projects with Time-Varying Dependency Structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.OC","authors_text":"Ali Yassine, Junichi Harada, Masaki Ogura, Masako Kishida","submitted_at":"2019-03-24T10:32:56Z","abstract_excerpt":"Project managers are continuously under pressure to shorten product development durations. One practical approach for reducing the project duration is lessening dependencies between different development components and teams. However, most of the resource allocation strategies for lessening dependencies place the implicit and simplistic assumption that the dependency structure between components is static (i.e., does not change over time). This assumption, however, does not necessarily hold true in all product development projects. In this paper, we present an analytical framework for optimall"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.09964","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":"2026-05-17T23:50:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HHnpsKUgGzwVGdWIxw04uVXpnkYvn3qOIJJ4vUa2BLMrtwx9dSQ9x0zKzDZrfyN2CeMx+PT4b6FukOJwr5uDCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T10:33:02.627872Z"},"content_sha256":"d94b45cf29abe393afb1dba5e881a84ca8079bdff647352a70d00cfafca25573","schema_version":"1.0","event_id":"sha256:d94b45cf29abe393afb1dba5e881a84ca8079bdff647352a70d00cfafca25573"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PSRC4MRM5VK5IZFWESU5ND2KTO/bundle.json","state_url":"https://pith.science/pith/PSRC4MRM5VK5IZFWESU5ND2KTO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PSRC4MRM5VK5IZFWESU5ND2KTO/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":"2026-06-27T10:33:02Z","links":{"resolver":"https://pith.science/pith/PSRC4MRM5VK5IZFWESU5ND2KTO","bundle":"https://pith.science/pith/PSRC4MRM5VK5IZFWESU5ND2KTO/bundle.json","state":"https://pith.science/pith/PSRC4MRM5VK5IZFWESU5ND2KTO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PSRC4MRM5VK5IZFWESU5ND2KTO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:PSRC4MRM5VK5IZFWESU5ND2KTO","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":"fbe268985d7839ac8deb02ea82c74eea7def4dec7b17226ee634f9d6a311c74e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2019-03-24T10:32:56Z","title_canon_sha256":"eca0c1b2672224f95abac12120a03f749a4cee334f0d443e0ce1c0f528f8ed6b"},"schema_version":"1.0","source":{"id":"1903.09964","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.09964","created_at":"2026-05-17T23:50:34Z"},{"alias_kind":"arxiv_version","alias_value":"1903.09964v1","created_at":"2026-05-17T23:50:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.09964","created_at":"2026-05-17T23:50:34Z"},{"alias_kind":"pith_short_12","alias_value":"PSRC4MRM5VK5","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"PSRC4MRM5VK5IZFW","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"PSRC4MRM","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:d94b45cf29abe393afb1dba5e881a84ca8079bdff647352a70d00cfafca25573","target":"graph","created_at":"2026-05-17T23:50:34Z","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":"Project managers are continuously under pressure to shorten product development durations. One practical approach for reducing the project duration is lessening dependencies between different development components and teams. However, most of the resource allocation strategies for lessening dependencies place the implicit and simplistic assumption that the dependency structure between components is static (i.e., does not change over time). This assumption, however, does not necessarily hold true in all product development projects. In this paper, we present an analytical framework for optimall","authors_text":"Ali Yassine, Junichi Harada, Masaki Ogura, Masako Kishida","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2019-03-24T10:32:56Z","title":"Resource Optimization of Product Development Projects with Time-Varying Dependency Structure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.09964","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":"sha256:90dc28d3ce2836b34f464cc670e1c9d9b174952aa80765fe519749c135c302bc","target":"record","created_at":"2026-05-17T23:50:34Z","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":"fbe268985d7839ac8deb02ea82c74eea7def4dec7b17226ee634f9d6a311c74e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2019-03-24T10:32:56Z","title_canon_sha256":"eca0c1b2672224f95abac12120a03f749a4cee334f0d443e0ce1c0f528f8ed6b"},"schema_version":"1.0","source":{"id":"1903.09964","kind":"arxiv","version":1}},"canonical_sha256":"7ca22e322ced55d464b624a9d68f4a9ba95483026df7179d786834a2ce968a56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7ca22e322ced55d464b624a9d68f4a9ba95483026df7179d786834a2ce968a56","first_computed_at":"2026-05-17T23:50:34.914261Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:50:34.914261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i/e9p8vaQwXRB+N4kzty9nG3Ci2UM6fchT7gOligjjFZZ5EcUhfSMBEQIYLjySJZRbyKv0/RZQKxbJTjJjjOAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:50:34.914867Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.09964","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:90dc28d3ce2836b34f464cc670e1c9d9b174952aa80765fe519749c135c302bc","sha256:d94b45cf29abe393afb1dba5e881a84ca8079bdff647352a70d00cfafca25573"],"state_sha256":"710093bb64e345e57ae19bad5d7ec4df2c9b97624dd81d4200437c00615527b5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qzmVVRbS6kaW9+B6d0qt5MoAbEV+DGfnMrDhdtT4LRdwTuV0fcXoEGpSrQ0d4pUMEn1MrHhmx0fK3imPyQZ+CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T10:33:02.629742Z","bundle_sha256":"f18b2a9c002cb4214b1ba57fa801d1829ffd0b3ed7068d893048368d6655e9dc"}}