{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:TNYQZBOMWSBW6I7ZD37GC3KA3W","short_pith_number":"pith:TNYQZBOM","canonical_record":{"source":{"id":"2605.31061","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2026-05-29T09:33:34Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"29a45cd379c2b71833b5ad1dd340fd3573cf542ebda3357fa67adc64c2896b0e","abstract_canon_sha256":"2b6d2fabe731961b6b4727a9b94a8013e3787dcbf11562b4694a1805cbbae31c"},"schema_version":"1.0"},"canonical_sha256":"9b710c85ccb4836f23f91efe616d40dd9f2fc8f790d4a201190ee2bdc7bfdaf4","source":{"kind":"arxiv","id":"2605.31061","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.31061","created_at":"2026-06-01T01:03:33Z"},{"alias_kind":"arxiv_version","alias_value":"2605.31061v1","created_at":"2026-06-01T01:03:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.31061","created_at":"2026-06-01T01:03:33Z"},{"alias_kind":"pith_short_12","alias_value":"TNYQZBOMWSBW","created_at":"2026-06-01T01:03:33Z"},{"alias_kind":"pith_short_16","alias_value":"TNYQZBOMWSBW6I7Z","created_at":"2026-06-01T01:03:33Z"},{"alias_kind":"pith_short_8","alias_value":"TNYQZBOM","created_at":"2026-06-01T01:03:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:TNYQZBOMWSBW6I7ZD37GC3KA3W","target":"record","payload":{"canonical_record":{"source":{"id":"2605.31061","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2026-05-29T09:33:34Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"29a45cd379c2b71833b5ad1dd340fd3573cf542ebda3357fa67adc64c2896b0e","abstract_canon_sha256":"2b6d2fabe731961b6b4727a9b94a8013e3787dcbf11562b4694a1805cbbae31c"},"schema_version":"1.0"},"canonical_sha256":"9b710c85ccb4836f23f91efe616d40dd9f2fc8f790d4a201190ee2bdc7bfdaf4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-01T01:03:33.778107Z","signature_b64":"Z7J6zUWuVPyyYVTZX9lKStch94GEoG8xj5S+ejkINJh6a5NLDAMqhD8lwAbYUqLsr+2gmzsySYMRvr22Cmn9BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b710c85ccb4836f23f91efe616d40dd9f2fc8f790d4a201190ee2bdc7bfdaf4","last_reissued_at":"2026-06-01T01:03:33.777394Z","signature_status":"signed_v1","first_computed_at":"2026-06-01T01:03:33.777394Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.31061","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":"2026-06-01T01:03:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"quzbc31JpiZkfvi79DRsjmkws2j79gE95uWzoUZtAgdBmtovrJxpI8DB8liQbz1p2nWuhwCIibpVlwa3Eh6iDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T00:45:27.505823Z"},"content_sha256":"9a67cb07ae153ae591e4d32137e382d0b0e726e25e7634bc693741d90fab3fc9","schema_version":"1.0","event_id":"sha256:9a67cb07ae153ae591e4d32137e382d0b0e726e25e7634bc693741d90fab3fc9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:TNYQZBOMWSBW6I7ZD37GC3KA3W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"STEP: Learning STructured Embeddings for Progressive Time Series","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.LG","authors_text":"Guillaume Doquet, Jesse Read, Lucas Thil, Rim Kaddah","submitted_at":"2026-05-29T09:33:34Z","abstract_excerpt":"We present a novel method for learning interpretable representations of progressive time series, that is, data capturing irreversible state transitions such as degradation or task completion. Our approach uses a self-supervised contrastive objective to learn a low-dimensional latent space whose geometry is itself the interpretation: each observation becomes a point on a manifold anchored between two fixed orthogonal prototype vectors, and a trajectory becomes a path across that manifold. From this structure we read a latent compass, the polar coordinates ({\\theta}, r) of the latent vector, in "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.31061","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/2605.31061/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":"2026-06-01T01:03:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JtbHyRlm4Iit8ZfmphkV2LN+c1EDY0pIoTVzQ9voK7Mlwzv7i2TM0GTjgHnPVqVLxmvB4IKbpD7t+qRYNuU9Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T00:45:27.506223Z"},"content_sha256":"dcffd4e0937f3a2b995c48f6bee8e611ced7967404898610b2f528a401fbdcd2","schema_version":"1.0","event_id":"sha256:dcffd4e0937f3a2b995c48f6bee8e611ced7967404898610b2f528a401fbdcd2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TNYQZBOMWSBW6I7ZD37GC3KA3W/bundle.json","state_url":"https://pith.science/pith/TNYQZBOMWSBW6I7ZD37GC3KA3W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TNYQZBOMWSBW6I7ZD37GC3KA3W/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":"2026-06-05T00:45:27Z","links":{"resolver":"https://pith.science/pith/TNYQZBOMWSBW6I7ZD37GC3KA3W","bundle":"https://pith.science/pith/TNYQZBOMWSBW6I7ZD37GC3KA3W/bundle.json","state":"https://pith.science/pith/TNYQZBOMWSBW6I7ZD37GC3KA3W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TNYQZBOMWSBW6I7ZD37GC3KA3W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:TNYQZBOMWSBW6I7ZD37GC3KA3W","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":"2b6d2fabe731961b6b4727a9b94a8013e3787dcbf11562b4694a1805cbbae31c","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2026-05-29T09:33:34Z","title_canon_sha256":"29a45cd379c2b71833b5ad1dd340fd3573cf542ebda3357fa67adc64c2896b0e"},"schema_version":"1.0","source":{"id":"2605.31061","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.31061","created_at":"2026-06-01T01:03:33Z"},{"alias_kind":"arxiv_version","alias_value":"2605.31061v1","created_at":"2026-06-01T01:03:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.31061","created_at":"2026-06-01T01:03:33Z"},{"alias_kind":"pith_short_12","alias_value":"TNYQZBOMWSBW","created_at":"2026-06-01T01:03:33Z"},{"alias_kind":"pith_short_16","alias_value":"TNYQZBOMWSBW6I7Z","created_at":"2026-06-01T01:03:33Z"},{"alias_kind":"pith_short_8","alias_value":"TNYQZBOM","created_at":"2026-06-01T01:03:33Z"}],"graph_snapshots":[{"event_id":"sha256:dcffd4e0937f3a2b995c48f6bee8e611ced7967404898610b2f528a401fbdcd2","target":"graph","created_at":"2026-06-01T01:03:33Z","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/2605.31061/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a novel method for learning interpretable representations of progressive time series, that is, data capturing irreversible state transitions such as degradation or task completion. Our approach uses a self-supervised contrastive objective to learn a low-dimensional latent space whose geometry is itself the interpretation: each observation becomes a point on a manifold anchored between two fixed orthogonal prototype vectors, and a trajectory becomes a path across that manifold. From this structure we read a latent compass, the polar coordinates ({\\theta}, r) of the latent vector, in ","authors_text":"Guillaume Doquet, Jesse Read, Lucas Thil, Rim Kaddah","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2026-05-29T09:33:34Z","title":"STEP: Learning STructured Embeddings for Progressive Time Series"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.31061","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":"sha256:9a67cb07ae153ae591e4d32137e382d0b0e726e25e7634bc693741d90fab3fc9","target":"record","created_at":"2026-06-01T01:03:33Z","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":"2b6d2fabe731961b6b4727a9b94a8013e3787dcbf11562b4694a1805cbbae31c","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2026-05-29T09:33:34Z","title_canon_sha256":"29a45cd379c2b71833b5ad1dd340fd3573cf542ebda3357fa67adc64c2896b0e"},"schema_version":"1.0","source":{"id":"2605.31061","kind":"arxiv","version":1}},"canonical_sha256":"9b710c85ccb4836f23f91efe616d40dd9f2fc8f790d4a201190ee2bdc7bfdaf4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b710c85ccb4836f23f91efe616d40dd9f2fc8f790d4a201190ee2bdc7bfdaf4","first_computed_at":"2026-06-01T01:03:33.777394Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-01T01:03:33.777394Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z7J6zUWuVPyyYVTZX9lKStch94GEoG8xj5S+ejkINJh6a5NLDAMqhD8lwAbYUqLsr+2gmzsySYMRvr22Cmn9BQ==","signature_status":"signed_v1","signed_at":"2026-06-01T01:03:33.778107Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.31061","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9a67cb07ae153ae591e4d32137e382d0b0e726e25e7634bc693741d90fab3fc9","sha256:dcffd4e0937f3a2b995c48f6bee8e611ced7967404898610b2f528a401fbdcd2"],"state_sha256":"5926e1deb3e84099171d93ab131ffa2eef785c23843f35369b3db55cf2a76324"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U6HoVjt61PFVJEx/3oAs6ke9FU9dYGjH3BRRzlD9tdO5jRVvqhBUarsuio6/Ti9Zm24XVamSQJj3WR6t/wp6Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T00:45:27.509154Z","bundle_sha256":"85877d7aa1304f38ca3256ca3c5e4a364bf4a7df800b110581d47c3fb252bc31"}}