{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:6JCHTRKVDLFIY5L64FILS3ZKSN","short_pith_number":"pith:6JCHTRKV","canonical_record":{"source":{"id":"2607.00303","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2026-07-01T01:03:21Z","cross_cats_sorted":[],"title_canon_sha256":"c9267e9d7172c2f6771b974abfe9117ffe53828481dfb52eed96b29bf1362062","abstract_canon_sha256":"e28f1532168277e5433a366f486a59b677e9542dc25decfa0ef8419830c693d1"},"schema_version":"1.0"},"canonical_sha256":"f24479c5551aca8c757ee150b96f2a9373b2b96b9aa7a4877c3bda0946f3c793","source":{"kind":"arxiv","id":"2607.00303","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.00303","created_at":"2026-07-02T00:18:43Z"},{"alias_kind":"arxiv_version","alias_value":"2607.00303v1","created_at":"2026-07-02T00:18:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.00303","created_at":"2026-07-02T00:18:43Z"},{"alias_kind":"pith_short_12","alias_value":"6JCHTRKVDLFI","created_at":"2026-07-02T00:18:43Z"},{"alias_kind":"pith_short_16","alias_value":"6JCHTRKVDLFIY5L6","created_at":"2026-07-02T00:18:43Z"},{"alias_kind":"pith_short_8","alias_value":"6JCHTRKV","created_at":"2026-07-02T00:18:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:6JCHTRKVDLFIY5L64FILS3ZKSN","target":"record","payload":{"canonical_record":{"source":{"id":"2607.00303","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2026-07-01T01:03:21Z","cross_cats_sorted":[],"title_canon_sha256":"c9267e9d7172c2f6771b974abfe9117ffe53828481dfb52eed96b29bf1362062","abstract_canon_sha256":"e28f1532168277e5433a366f486a59b677e9542dc25decfa0ef8419830c693d1"},"schema_version":"1.0"},"canonical_sha256":"f24479c5551aca8c757ee150b96f2a9373b2b96b9aa7a4877c3bda0946f3c793","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-02T00:18:43.840542Z","signature_b64":"YXkYYxFprd+bXfQ7TSTeZi9Cwkir4bUpEYWfX6L1fbF+iKRHizFr1f2iD/s/5no7QQe/svXhoHPeBYO9KarZCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f24479c5551aca8c757ee150b96f2a9373b2b96b9aa7a4877c3bda0946f3c793","last_reissued_at":"2026-07-02T00:18:43.839879Z","signature_status":"signed_v1","first_computed_at":"2026-07-02T00:18:43.839879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.00303","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":"2026-07-02T00:18:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KhBhvEY4KAPhf4k4cWbOpu72lGMR9SSavYzERhgRJ3RerRR0YdY4KvQRbiKotBQKWfJdhvBo20zxDDCkj1FPAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T07:53:16.127187Z"},"content_sha256":"d061e9aba67d0ab949df45b77be466e6b37610e4426ebaf0a15c46faf792e634","schema_version":"1.0","event_id":"sha256:d061e9aba67d0ab949df45b77be466e6b37610e4426ebaf0a15c46faf792e634"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:6JCHTRKVDLFIY5L64FILS3ZKSN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Promise-Future Synchronization for Cluster Asynchronous Many-Task Runtimes via MPI One-Sided Communication","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Mia Reitz","submitted_at":"2026-07-01T01:03:21Z","abstract_excerpt":"Asynchronous Many-Task (AMT) runtimes use futures as placeholders for values produced by other tasks. In the ItoyoriFBC AMT runtime, the existing future-only model binds each future to its producer at creation time and requires the number of tasks that read each future to be fixed at compile time. This prevents directly expressing algorithms that create dependencies dynamically. We extend ItoyoriFBC with an implementation of a promise-future model that lifts these limitations. Thereby, our ItoyoriFBC variant supports dynamic algorithms such as Hierarchical LU factorization (HLU). We experiment"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.00303","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/2607.00303/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":"2026-07-02T00:18:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kh3og7k1QnkH8N0sysll3baQALe2TeRuNngmCQNOf7qjptsSZQnkMjnkDh/+8nJDf+c1VanYlsXPJQ/dfcskDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T07:53:16.127581Z"},"content_sha256":"78162373bfef1da5679409642a22f2660b91882780941198b87ddbccc73b35d3","schema_version":"1.0","event_id":"sha256:78162373bfef1da5679409642a22f2660b91882780941198b87ddbccc73b35d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6JCHTRKVDLFIY5L64FILS3ZKSN/bundle.json","state_url":"https://pith.science/pith/6JCHTRKVDLFIY5L64FILS3ZKSN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6JCHTRKVDLFIY5L64FILS3ZKSN/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":"2026-07-02T07:53:16Z","links":{"resolver":"https://pith.science/pith/6JCHTRKVDLFIY5L64FILS3ZKSN","bundle":"https://pith.science/pith/6JCHTRKVDLFIY5L64FILS3ZKSN/bundle.json","state":"https://pith.science/pith/6JCHTRKVDLFIY5L64FILS3ZKSN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6JCHTRKVDLFIY5L64FILS3ZKSN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:6JCHTRKVDLFIY5L64FILS3ZKSN","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":"e28f1532168277e5433a366f486a59b677e9542dc25decfa0ef8419830c693d1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2026-07-01T01:03:21Z","title_canon_sha256":"c9267e9d7172c2f6771b974abfe9117ffe53828481dfb52eed96b29bf1362062"},"schema_version":"1.0","source":{"id":"2607.00303","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.00303","created_at":"2026-07-02T00:18:43Z"},{"alias_kind":"arxiv_version","alias_value":"2607.00303v1","created_at":"2026-07-02T00:18:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.00303","created_at":"2026-07-02T00:18:43Z"},{"alias_kind":"pith_short_12","alias_value":"6JCHTRKVDLFI","created_at":"2026-07-02T00:18:43Z"},{"alias_kind":"pith_short_16","alias_value":"6JCHTRKVDLFIY5L6","created_at":"2026-07-02T00:18:43Z"},{"alias_kind":"pith_short_8","alias_value":"6JCHTRKV","created_at":"2026-07-02T00:18:43Z"}],"graph_snapshots":[{"event_id":"sha256:78162373bfef1da5679409642a22f2660b91882780941198b87ddbccc73b35d3","target":"graph","created_at":"2026-07-02T00:18:43Z","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/2607.00303/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Asynchronous Many-Task (AMT) runtimes use futures as placeholders for values produced by other tasks. In the ItoyoriFBC AMT runtime, the existing future-only model binds each future to its producer at creation time and requires the number of tasks that read each future to be fixed at compile time. This prevents directly expressing algorithms that create dependencies dynamically. We extend ItoyoriFBC with an implementation of a promise-future model that lifts these limitations. Thereby, our ItoyoriFBC variant supports dynamic algorithms such as Hierarchical LU factorization (HLU). We experiment","authors_text":"Mia Reitz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2026-07-01T01:03:21Z","title":"Promise-Future Synchronization for Cluster Asynchronous Many-Task Runtimes via MPI One-Sided Communication"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.00303","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:d061e9aba67d0ab949df45b77be466e6b37610e4426ebaf0a15c46faf792e634","target":"record","created_at":"2026-07-02T00:18:43Z","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":"e28f1532168277e5433a366f486a59b677e9542dc25decfa0ef8419830c693d1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2026-07-01T01:03:21Z","title_canon_sha256":"c9267e9d7172c2f6771b974abfe9117ffe53828481dfb52eed96b29bf1362062"},"schema_version":"1.0","source":{"id":"2607.00303","kind":"arxiv","version":1}},"canonical_sha256":"f24479c5551aca8c757ee150b96f2a9373b2b96b9aa7a4877c3bda0946f3c793","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f24479c5551aca8c757ee150b96f2a9373b2b96b9aa7a4877c3bda0946f3c793","first_computed_at":"2026-07-02T00:18:43.839879Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-02T00:18:43.839879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YXkYYxFprd+bXfQ7TSTeZi9Cwkir4bUpEYWfX6L1fbF+iKRHizFr1f2iD/s/5no7QQe/svXhoHPeBYO9KarZCQ==","signature_status":"signed_v1","signed_at":"2026-07-02T00:18:43.840542Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.00303","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d061e9aba67d0ab949df45b77be466e6b37610e4426ebaf0a15c46faf792e634","sha256:78162373bfef1da5679409642a22f2660b91882780941198b87ddbccc73b35d3"],"state_sha256":"0ea50ac7bc7bbde61e25cf6f843dbd81d7bd59ee1e3e2ae7bcd87aebc0f8304a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rcTPkMAiYtG49SKic4DtYWDcOkyxqg2VhPMT/q86AdqONkEJE4tDtS98aBl3ga0xzA/BuJcZkJNqRuPnazDmDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T07:53:16.129650Z","bundle_sha256":"583ebacf8c67471536c5e27c45f2187a355c7df4b025eb2e3e3184e5fcc8c7ca"}}