{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:PUGPFRCMOV3D2BYTH2YLJCHAYI","short_pith_number":"pith:PUGPFRCM","canonical_record":{"source":{"id":"2607.28377","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2026-07-30T15:36:39Z","cross_cats_sorted":["cs.DC","cs.SY","nlin.AO"],"title_canon_sha256":"d419269636e84e2e5a1155923ce7cbd8b89119ec7070903cce9e16ce83d49eef","abstract_canon_sha256":"e144f4c8fed30ce9bd174bf90174d7d713d3c4e77f924710f75eced70999ef1d"},"schema_version":"1.0"},"canonical_sha256":"7d0cf2c44c75763d07133eb0b488e0c2313a6de2dfcd91ec0c4e841d364f9b9d","source":{"kind":"arxiv","id":"2607.28377","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.28377","created_at":"2026-07-31T01:37:28Z"},{"alias_kind":"arxiv_version","alias_value":"2607.28377v1","created_at":"2026-07-31T01:37:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.28377","created_at":"2026-07-31T01:37:28Z"},{"alias_kind":"pith_short_12","alias_value":"PUGPFRCMOV3D","created_at":"2026-07-31T01:37:28Z"},{"alias_kind":"pith_short_16","alias_value":"PUGPFRCMOV3D2BYT","created_at":"2026-07-31T01:37:28Z"},{"alias_kind":"pith_short_8","alias_value":"PUGPFRCM","created_at":"2026-07-31T01:37:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:PUGPFRCMOV3D2BYTH2YLJCHAYI","target":"record","payload":{"canonical_record":{"source":{"id":"2607.28377","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2026-07-30T15:36:39Z","cross_cats_sorted":["cs.DC","cs.SY","nlin.AO"],"title_canon_sha256":"d419269636e84e2e5a1155923ce7cbd8b89119ec7070903cce9e16ce83d49eef","abstract_canon_sha256":"e144f4c8fed30ce9bd174bf90174d7d713d3c4e77f924710f75eced70999ef1d"},"schema_version":"1.0"},"canonical_sha256":"7d0cf2c44c75763d07133eb0b488e0c2313a6de2dfcd91ec0c4e841d364f9b9d","receipt":{"kind":"pith_receipt","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7d0cf2c44c75763d07133eb0b488e0c2313a6de2dfcd91ec0c4e841d364f9b9d","last_reissued_at":"2026-07-31T01:37:28.856525Z","signature_status":"unsigned_v0","first_computed_at":"2026-07-31T01:37:28.856525Z"},"source_kind":"arxiv","source_id":"2607.28377","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":"2026-07-31T01:37:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mr0m7f08meH6tiNO+3U7KD5m9o5eq58rULMzBhMm+FB5+yNvsOSE4fLDg565zPf17Tp+O7iWIssSPeEsC+/eBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T05:37:58.641701Z"},"content_sha256":"b75b1519bc0bfe69e020a54dab5b898306a643159a5c9d2b083d167235b20871","schema_version":"1.0","event_id":"sha256:b75b1519bc0bfe69e020a54dab5b898306a643159a5c9d2b083d167235b20871"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:PUGPFRCMOV3D2BYTH2YLJCHAYI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Anonymous sharing is pairwise phase-blind","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.DC","cs.SY","nlin.AO"],"primary_cat":"eess.SY","authors_text":"Brieuc Le Roux Tardif","submitted_at":"2026-07-30T15:36:39Z","abstract_excerpt":"Independent training jobs sharing a storage system write their checkpoints through the same finite bandwidth, and the resulting bursts of correlated I/O are commonly described as a self-reinforcing \"checkpoint storm\". We formalise the self-reinforcement as phase locking in a population of integrate-and-fire oscillators coupled through a shared resource, and show that within that model it fails. Call a resource anonymous if the rate it delivers to an active user depends on how many users are active and not on which. For identical jobs whose write is shorter than their compute interval, an anony"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.28377","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/2607.28377/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":"2026-07-31T01:37:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fG51FElYrp2DBjxPjF8tBf0whl9drws2A+rUVXvdS+7PgFfsnZ3G93+MpuLJOvV3elXyGIKGSK+vABVMvr4BCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T05:37:58.642209Z"},"content_sha256":"207768821ab93943664ae9e2fdda225adf886d2ee251260f804b348fff64c2dd","schema_version":"1.0","event_id":"sha256:207768821ab93943664ae9e2fdda225adf886d2ee251260f804b348fff64c2dd"},{"event_type":"integrity_finding","subject_pith_number":"pith:2026:PUGPFRCMOV3D2BYTH2YLJCHAYI","target":"integrity","payload":{"note":"Identifier '10.1016/0167-2789(95' is syntactically valid but the DOI registry (doi.org) returned 404, and Crossref / OpenAlex / internal corpus also have no record. The cited work could not be located through any authoritative source.","snippet":"Hiroaki Daido. Onset of cooperative entrainment in limit-cycle oscillators with uniform all-to-all interactions: bifurcation of the order function.Physica D: Nonlinear Phenomena, 91(1–2):24–66, 1996. doi: 10.1016/0167-2789(95) 00260-X","arxiv_id":"2607.28377","detector":"doi_compliance","evidence":{"doi":"10.1016/0167-2789(95","arxiv_id":null,"ref_index":2,"raw_excerpt":"Hiroaki Daido. Onset of cooperative entrainment in limit-cycle oscillators with uniform all-to-all interactions: bifurcation of the order function.Physica D: Nonlinear Phenomena, 91(1–2):24–66, 1996. doi: 10.1016/0167-2789(95) 00260-X","parse_status":"well_formed","verdict_class":"cross_source","checked_sources":["crossref_by_doi","openalex_by_doi","doi_org_head"],"resolution_status":"hard_miss"},"severity":"critical","ref_index":2,"audited_at":"2026-07-31T09:21:37.404398Z","event_type":"pith.integrity.v1","detected_doi":"10.1016/0167-2789(95","detector_url":"https://pith.science/pith-integrity-protocol#doi_compliance","external_url":null,"finding_type":"unresolvable_identifier","evidence_hash":"c07320217f3c981e11895c6c3a82b22ee1e62ef83f2a93c4d6273e6ba7917405","paper_version":1,"verdict_class":"cross_source","resolved_title":null,"detector_version":"1.1.0","detected_arxiv_id":null,"integrity_event_id":14288,"payload_sha256":"eae19c53317211e4e5743422e88fd6c9545a67212c5b7ac0222bdde36ae343a5","signature_b64":null,"signing_key_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-31T09:26:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eoMw8jvdRir0MLehK0v73aW2V8inCCwe4R7RrHP7q8Y6bvy0EB1sktvMa+g8eJAh+jKdTqSU8QZS9XGn7MhABA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T05:37:58.644276Z"},"content_sha256":"cc52bcc118d5747adb8865af7d4acbaa00e5b8ec2320625c83e5b666838c2806","schema_version":"1.0","event_id":"sha256:cc52bcc118d5747adb8865af7d4acbaa00e5b8ec2320625c83e5b666838c2806"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PUGPFRCMOV3D2BYTH2YLJCHAYI/bundle.json","state_url":"https://pith.science/pith/PUGPFRCMOV3D2BYTH2YLJCHAYI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PUGPFRCMOV3D2BYTH2YLJCHAYI/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":"2026-08-04T05:37:58Z","links":{"resolver":"https://pith.science/pith/PUGPFRCMOV3D2BYTH2YLJCHAYI","bundle":"https://pith.science/pith/PUGPFRCMOV3D2BYTH2YLJCHAYI/bundle.json","state":"https://pith.science/pith/PUGPFRCMOV3D2BYTH2YLJCHAYI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PUGPFRCMOV3D2BYTH2YLJCHAYI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:PUGPFRCMOV3D2BYTH2YLJCHAYI","merge_version":"pith-open-graph-merge-v1","event_count":3,"valid_event_count":3,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"e144f4c8fed30ce9bd174bf90174d7d713d3c4e77f924710f75eced70999ef1d","cross_cats_sorted":["cs.DC","cs.SY","nlin.AO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2026-07-30T15:36:39Z","title_canon_sha256":"d419269636e84e2e5a1155923ce7cbd8b89119ec7070903cce9e16ce83d49eef"},"schema_version":"1.0","source":{"id":"2607.28377","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.28377","created_at":"2026-07-31T01:37:28Z"},{"alias_kind":"arxiv_version","alias_value":"2607.28377v1","created_at":"2026-07-31T01:37:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.28377","created_at":"2026-07-31T01:37:28Z"},{"alias_kind":"pith_short_12","alias_value":"PUGPFRCMOV3D","created_at":"2026-07-31T01:37:28Z"},{"alias_kind":"pith_short_16","alias_value":"PUGPFRCMOV3D2BYT","created_at":"2026-07-31T01:37:28Z"},{"alias_kind":"pith_short_8","alias_value":"PUGPFRCM","created_at":"2026-07-31T01:37:28Z"}],"graph_snapshots":[{"event_id":"sha256:207768821ab93943664ae9e2fdda225adf886d2ee251260f804b348fff64c2dd","target":"graph","created_at":"2026-07-31T01:37:28Z","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/2607.28377/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Independent training jobs sharing a storage system write their checkpoints through the same finite bandwidth, and the resulting bursts of correlated I/O are commonly described as a self-reinforcing \"checkpoint storm\". We formalise the self-reinforcement as phase locking in a population of integrate-and-fire oscillators coupled through a shared resource, and show that within that model it fails. Call a resource anonymous if the rate it delivers to an active user depends on how many users are active and not on which. For identical jobs whose write is shorter than their compute interval, an anony","authors_text":"Brieuc Le Roux Tardif","cross_cats":["cs.DC","cs.SY","nlin.AO"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2026-07-30T15:36:39Z","title":"Anonymous sharing is pairwise phase-blind"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.28377","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:b75b1519bc0bfe69e020a54dab5b898306a643159a5c9d2b083d167235b20871","target":"record","created_at":"2026-07-31T01:37:28Z","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":"e144f4c8fed30ce9bd174bf90174d7d713d3c4e77f924710f75eced70999ef1d","cross_cats_sorted":["cs.DC","cs.SY","nlin.AO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2026-07-30T15:36:39Z","title_canon_sha256":"d419269636e84e2e5a1155923ce7cbd8b89119ec7070903cce9e16ce83d49eef"},"schema_version":"1.0","source":{"id":"2607.28377","kind":"arxiv","version":1}},"canonical_sha256":"7d0cf2c44c75763d07133eb0b488e0c2313a6de2dfcd91ec0c4e841d364f9b9d","receipt":{"builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7d0cf2c44c75763d07133eb0b488e0c2313a6de2dfcd91ec0c4e841d364f9b9d","first_computed_at":"2026-07-31T01:37:28.856525Z","kind":"pith_receipt","last_reissued_at":"2026-07-31T01:37:28.856525Z","receipt_version":"0.3","signature_status":"unsigned_v0"},"source_id":"2607.28377","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b75b1519bc0bfe69e020a54dab5b898306a643159a5c9d2b083d167235b20871","sha256:207768821ab93943664ae9e2fdda225adf886d2ee251260f804b348fff64c2dd","sha256:cc52bcc118d5747adb8865af7d4acbaa00e5b8ec2320625c83e5b666838c2806"],"state_sha256":"4feee7750d8446eeae4c85fd87a0a61f801ce310049d4daba001715176c8b786"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"26qsUmOhc+OYuV/wjSIz0ILTVjQuix0Fa6JSkEjqNif9oKfAcPupmqSBNTYCTW6bmnerBtAH5Uwb89jboOxpAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T05:37:58.646430Z","bundle_sha256":"d928c937c4fd5d2d0bec024bc54c4add7c3022609d7f3f8456d164c0c85e4b1c"}}