{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:IB4WKZJQZZJO3AVVF6RIDDVUJ6","short_pith_number":"pith:IB4WKZJQ","canonical_record":{"source":{"id":"2606.07714","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-05T14:46:50Z","cross_cats_sorted":["cs.AI","cs.HC"],"title_canon_sha256":"c9bce654215521684bebd772dfbafe4d185e57b01ef7fc8422b4a0a97912c1b1","abstract_canon_sha256":"28e69841346e4de2308780ce6badf3742bd90e8510fe5e73ee51ffcb293a61b1"},"schema_version":"1.0"},"canonical_sha256":"4079656530ce52ed82b52fa2818eb44f9d26a362ca87a1dde5941cb2adbf7ffe","source":{"kind":"arxiv","id":"2606.07714","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.07714","created_at":"2026-06-09T01:04:50Z"},{"alias_kind":"arxiv_version","alias_value":"2606.07714v1","created_at":"2026-06-09T01:04:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.07714","created_at":"2026-06-09T01:04:50Z"},{"alias_kind":"pith_short_12","alias_value":"IB4WKZJQZZJO","created_at":"2026-06-09T01:04:50Z"},{"alias_kind":"pith_short_16","alias_value":"IB4WKZJQZZJO3AVV","created_at":"2026-06-09T01:04:50Z"},{"alias_kind":"pith_short_8","alias_value":"IB4WKZJQ","created_at":"2026-06-09T01:04:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:IB4WKZJQZZJO3AVVF6RIDDVUJ6","target":"record","payload":{"canonical_record":{"source":{"id":"2606.07714","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-05T14:46:50Z","cross_cats_sorted":["cs.AI","cs.HC"],"title_canon_sha256":"c9bce654215521684bebd772dfbafe4d185e57b01ef7fc8422b4a0a97912c1b1","abstract_canon_sha256":"28e69841346e4de2308780ce6badf3742bd90e8510fe5e73ee51ffcb293a61b1"},"schema_version":"1.0"},"canonical_sha256":"4079656530ce52ed82b52fa2818eb44f9d26a362ca87a1dde5941cb2adbf7ffe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-09T01:04:50.080178Z","signature_b64":"3eas6o/NO+kAe2IHcglfs07lraGQZs81qKODOKtVpBEzTZNMUNSd7Pha6LrsJtsm2VDljsCTED/vIRJvmTLXDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4079656530ce52ed82b52fa2818eb44f9d26a362ca87a1dde5941cb2adbf7ffe","last_reissued_at":"2026-06-09T01:04:50.079694Z","signature_status":"signed_v1","first_computed_at":"2026-06-09T01:04:50.079694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.07714","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":"2026-06-09T01:04:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HNmWX7nlm6+TXd1e0r7gNO4H0wpMf4BpKcfVpC79CjfU4AUw9Yg0re3Zz5+Oc99uZY8wRGsw0HVHE1ToNQxHAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T13:53:24.999672Z"},"content_sha256":"0e66736d56500ccd7c29aba3ae58ad3609fb71e8bf064a7f8708fe5b62e6497e","schema_version":"1.0","event_id":"sha256:0e66736d56500ccd7c29aba3ae58ad3609fb71e8bf064a7f8708fe5b62e6497e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:IB4WKZJQZZJO3AVVF6RIDDVUJ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Beyond Accuracy: Interpreting Topic Representation in Suicide Ideation Detection Models","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI","cs.HC"],"primary_cat":"cs.LG","authors_text":"Hamideh Ghanadian, Hussein Al Osman, Isar Nejadgholi","submitted_at":"2026-06-05T14:46:50Z","abstract_excerpt":"Suicide ideation detection models are typically evaluated using aggregate performance metrics, yet little is known about how they internally represent psychologically meaningful risk factors. In high-stakes mental health applications, understanding these internal representations is essential for safety, transparency, and responsible deployment. In this work, we move beyond accuracy and analyze how suicide detection models trained on original and topic-augmented datasets encode psychological risk factors in their internal representation space. Using visualization and geometric analysis, we exam"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.07714","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/2606.07714/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":"2026-06-09T01:04:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WNr8RtLJqZkL1lVhhmKIhBh1n6SiQ999b8gHXNDZVgcP3SXEubdQz8/B2BA3vacefIAXtpT/xX9VguyJw3JxDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T13:53:25.000052Z"},"content_sha256":"7756592438a882093144a6eaef1b0814d127c5c34612a57d18c3082e4539025e","schema_version":"1.0","event_id":"sha256:7756592438a882093144a6eaef1b0814d127c5c34612a57d18c3082e4539025e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IB4WKZJQZZJO3AVVF6RIDDVUJ6/bundle.json","state_url":"https://pith.science/pith/IB4WKZJQZZJO3AVVF6RIDDVUJ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IB4WKZJQZZJO3AVVF6RIDDVUJ6/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":"2026-07-03T13:53:25Z","links":{"resolver":"https://pith.science/pith/IB4WKZJQZZJO3AVVF6RIDDVUJ6","bundle":"https://pith.science/pith/IB4WKZJQZZJO3AVVF6RIDDVUJ6/bundle.json","state":"https://pith.science/pith/IB4WKZJQZZJO3AVVF6RIDDVUJ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IB4WKZJQZZJO3AVVF6RIDDVUJ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:IB4WKZJQZZJO3AVVF6RIDDVUJ6","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":"28e69841346e4de2308780ce6badf3742bd90e8510fe5e73ee51ffcb293a61b1","cross_cats_sorted":["cs.AI","cs.HC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-05T14:46:50Z","title_canon_sha256":"c9bce654215521684bebd772dfbafe4d185e57b01ef7fc8422b4a0a97912c1b1"},"schema_version":"1.0","source":{"id":"2606.07714","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.07714","created_at":"2026-06-09T01:04:50Z"},{"alias_kind":"arxiv_version","alias_value":"2606.07714v1","created_at":"2026-06-09T01:04:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.07714","created_at":"2026-06-09T01:04:50Z"},{"alias_kind":"pith_short_12","alias_value":"IB4WKZJQZZJO","created_at":"2026-06-09T01:04:50Z"},{"alias_kind":"pith_short_16","alias_value":"IB4WKZJQZZJO3AVV","created_at":"2026-06-09T01:04:50Z"},{"alias_kind":"pith_short_8","alias_value":"IB4WKZJQ","created_at":"2026-06-09T01:04:50Z"}],"graph_snapshots":[{"event_id":"sha256:7756592438a882093144a6eaef1b0814d127c5c34612a57d18c3082e4539025e","target":"graph","created_at":"2026-06-09T01:04:50Z","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/2606.07714/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Suicide ideation detection models are typically evaluated using aggregate performance metrics, yet little is known about how they internally represent psychologically meaningful risk factors. In high-stakes mental health applications, understanding these internal representations is essential for safety, transparency, and responsible deployment. In this work, we move beyond accuracy and analyze how suicide detection models trained on original and topic-augmented datasets encode psychological risk factors in their internal representation space. Using visualization and geometric analysis, we exam","authors_text":"Hamideh Ghanadian, Hussein Al Osman, Isar Nejadgholi","cross_cats":["cs.AI","cs.HC"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-05T14:46:50Z","title":"Beyond Accuracy: Interpreting Topic Representation in Suicide Ideation Detection Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.07714","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":"sha256:0e66736d56500ccd7c29aba3ae58ad3609fb71e8bf064a7f8708fe5b62e6497e","target":"record","created_at":"2026-06-09T01:04:50Z","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":"28e69841346e4de2308780ce6badf3742bd90e8510fe5e73ee51ffcb293a61b1","cross_cats_sorted":["cs.AI","cs.HC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-05T14:46:50Z","title_canon_sha256":"c9bce654215521684bebd772dfbafe4d185e57b01ef7fc8422b4a0a97912c1b1"},"schema_version":"1.0","source":{"id":"2606.07714","kind":"arxiv","version":1}},"canonical_sha256":"4079656530ce52ed82b52fa2818eb44f9d26a362ca87a1dde5941cb2adbf7ffe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4079656530ce52ed82b52fa2818eb44f9d26a362ca87a1dde5941cb2adbf7ffe","first_computed_at":"2026-06-09T01:04:50.079694Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-09T01:04:50.079694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3eas6o/NO+kAe2IHcglfs07lraGQZs81qKODOKtVpBEzTZNMUNSd7Pha6LrsJtsm2VDljsCTED/vIRJvmTLXDw==","signature_status":"signed_v1","signed_at":"2026-06-09T01:04:50.080178Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.07714","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0e66736d56500ccd7c29aba3ae58ad3609fb71e8bf064a7f8708fe5b62e6497e","sha256:7756592438a882093144a6eaef1b0814d127c5c34612a57d18c3082e4539025e"],"state_sha256":"ea0657f1e4978a59bf94d3650dfc7e7426f3abf1190dd45998c34dcf7ed92ce3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/R1qfbEj5/NTxJSlcR4f+8cWhbloJApt42xHfi2qNXD4YQ4xDkoD8OlciYvzBIi1fqar7gcpGOtlkrzu7AvuAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T13:53:25.002017Z","bundle_sha256":"7207ace5a3b693c38d7504be62415917d2334805ad3e121f3f89a1e8337b797d"}}