{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:EKANPFQU7G67ERIVGP6LQKJQNL","short_pith_number":"pith:EKANPFQU","canonical_record":{"source":{"id":"2501.14524","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-01-24T14:27:12Z","cross_cats_sorted":[],"title_canon_sha256":"f6da911d1cf86084e4b5344f5056f8ae8747d452a288964cfe83f5f3cb45c827","abstract_canon_sha256":"c701a4adbfb84ea01b07574e96b1e55abb0a1cbb98788a6402d4daaf3da42d1f"},"schema_version":"1.0"},"canonical_sha256":"2280d79614f9bdf2451533fcb829306add27c0a6c2adfc1cbbc343b31ed95822","source":{"kind":"arxiv","id":"2501.14524","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.14524","created_at":"2026-07-05T10:44:21Z"},{"alias_kind":"arxiv_version","alias_value":"2501.14524v2","created_at":"2026-07-05T10:44:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.14524","created_at":"2026-07-05T10:44:21Z"},{"alias_kind":"pith_short_12","alias_value":"EKANPFQU7G67","created_at":"2026-07-05T10:44:21Z"},{"alias_kind":"pith_short_16","alias_value":"EKANPFQU7G67ERIV","created_at":"2026-07-05T10:44:21Z"},{"alias_kind":"pith_short_8","alias_value":"EKANPFQU","created_at":"2026-07-05T10:44:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:EKANPFQU7G67ERIVGP6LQKJQNL","target":"record","payload":{"canonical_record":{"source":{"id":"2501.14524","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-01-24T14:27:12Z","cross_cats_sorted":[],"title_canon_sha256":"f6da911d1cf86084e4b5344f5056f8ae8747d452a288964cfe83f5f3cb45c827","abstract_canon_sha256":"c701a4adbfb84ea01b07574e96b1e55abb0a1cbb98788a6402d4daaf3da42d1f"},"schema_version":"1.0"},"canonical_sha256":"2280d79614f9bdf2451533fcb829306add27c0a6c2adfc1cbbc343b31ed95822","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:44:21.727023Z","signature_b64":"y5CfVb0z9K6kVPOZNozlFlfdvhDVzvjM2RkEk7MfrCFQlL1n3CfCSlJb/Fn0/mw/++X7m+Vx0K6kr1ry8DoNAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2280d79614f9bdf2451533fcb829306add27c0a6c2adfc1cbbc343b31ed95822","last_reissued_at":"2026-07-05T10:44:21.726537Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:44:21.726537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.14524","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:44:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m7F7KP81lR4VPEN/somVxonLKJbl6R5b27ahoIgRXBcY8UwqvoUj1aZnZdDzM6dUhoHXz2VTOFhxHTEaNfdJBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T08:50:49.627424Z"},"content_sha256":"d9a2f0d9fb6a0bff9ebf6b35f86dea719c7afc813e77f48d8c134a63361aec62","schema_version":"1.0","event_id":"sha256:d9a2f0d9fb6a0bff9ebf6b35f86dea719c7afc813e77f48d8c134a63361aec62"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:EKANPFQU7G67ERIVGP6LQKJQNL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Training-Free Style and Content Transfer by Leveraging U-Net Skip Connections in Stable Diffusion","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Andrea Alfarano, Fabrizio Silvestri, Leonardo Impett, Ludovica Schaerf","submitted_at":"2025-01-24T14:27:12Z","abstract_excerpt":"Recent advances in diffusion models for image generation have led to detailed examinations of several components within the U-Net architecture for image editing. While previous studies have focused on the bottleneck layer (h-space), cross-attention, self-attention, and decoding layers, the overall role of the skip connections of the U-Net itself has not been specifically addressed. We conduct thorough analyses on the role of the skip connections and find that the residual connections passed by the third encoder block carry most of the spatial information of the reconstructed image, splitting t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.14524","kind":"arxiv","version":2},"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/2501.14524/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":"2026-07-05T10:44:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DHh7iuo0/4fDHaMdhs1+X1K7xGMY99FK8XVGHlg6oCKZ8L1miD6WZK3pRx030Dyzg78Avc/fDm8K54wWmYnTDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T08:50:49.627978Z"},"content_sha256":"ccaa589ddd62948050569a1027401dc251b93649e35fbb6663b5f23e285d343f","schema_version":"1.0","event_id":"sha256:ccaa589ddd62948050569a1027401dc251b93649e35fbb6663b5f23e285d343f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EKANPFQU7G67ERIVGP6LQKJQNL/bundle.json","state_url":"https://pith.science/pith/EKANPFQU7G67ERIVGP6LQKJQNL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EKANPFQU7G67ERIVGP6LQKJQNL/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":"2026-08-18T08:50:49Z","links":{"resolver":"https://pith.science/pith/EKANPFQU7G67ERIVGP6LQKJQNL","bundle":"https://pith.science/pith/EKANPFQU7G67ERIVGP6LQKJQNL/bundle.json","state":"https://pith.science/pith/EKANPFQU7G67ERIVGP6LQKJQNL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EKANPFQU7G67ERIVGP6LQKJQNL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:EKANPFQU7G67ERIVGP6LQKJQNL","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":"c701a4adbfb84ea01b07574e96b1e55abb0a1cbb98788a6402d4daaf3da42d1f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-01-24T14:27:12Z","title_canon_sha256":"f6da911d1cf86084e4b5344f5056f8ae8747d452a288964cfe83f5f3cb45c827"},"schema_version":"1.0","source":{"id":"2501.14524","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.14524","created_at":"2026-07-05T10:44:21Z"},{"alias_kind":"arxiv_version","alias_value":"2501.14524v2","created_at":"2026-07-05T10:44:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.14524","created_at":"2026-07-05T10:44:21Z"},{"alias_kind":"pith_short_12","alias_value":"EKANPFQU7G67","created_at":"2026-07-05T10:44:21Z"},{"alias_kind":"pith_short_16","alias_value":"EKANPFQU7G67ERIV","created_at":"2026-07-05T10:44:21Z"},{"alias_kind":"pith_short_8","alias_value":"EKANPFQU","created_at":"2026-07-05T10:44:21Z"}],"graph_snapshots":[{"event_id":"sha256:ccaa589ddd62948050569a1027401dc251b93649e35fbb6663b5f23e285d343f","target":"graph","created_at":"2026-07-05T10:44:21Z","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/2501.14524/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent advances in diffusion models for image generation have led to detailed examinations of several components within the U-Net architecture for image editing. While previous studies have focused on the bottleneck layer (h-space), cross-attention, self-attention, and decoding layers, the overall role of the skip connections of the U-Net itself has not been specifically addressed. We conduct thorough analyses on the role of the skip connections and find that the residual connections passed by the third encoder block carry most of the spatial information of the reconstructed image, splitting t","authors_text":"Andrea Alfarano, Fabrizio Silvestri, Leonardo Impett, Ludovica Schaerf","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-01-24T14:27:12Z","title":"Training-Free Style and Content Transfer by Leveraging U-Net Skip Connections in Stable Diffusion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.14524","kind":"arxiv","version":2},"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:d9a2f0d9fb6a0bff9ebf6b35f86dea719c7afc813e77f48d8c134a63361aec62","target":"record","created_at":"2026-07-05T10:44:21Z","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":"c701a4adbfb84ea01b07574e96b1e55abb0a1cbb98788a6402d4daaf3da42d1f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2025-01-24T14:27:12Z","title_canon_sha256":"f6da911d1cf86084e4b5344f5056f8ae8747d452a288964cfe83f5f3cb45c827"},"schema_version":"1.0","source":{"id":"2501.14524","kind":"arxiv","version":2}},"canonical_sha256":"2280d79614f9bdf2451533fcb829306add27c0a6c2adfc1cbbc343b31ed95822","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2280d79614f9bdf2451533fcb829306add27c0a6c2adfc1cbbc343b31ed95822","first_computed_at":"2026-07-05T10:44:21.726537Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:44:21.726537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y5CfVb0z9K6kVPOZNozlFlfdvhDVzvjM2RkEk7MfrCFQlL1n3CfCSlJb/Fn0/mw/++X7m+Vx0K6kr1ry8DoNAw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:44:21.727023Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.14524","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d9a2f0d9fb6a0bff9ebf6b35f86dea719c7afc813e77f48d8c134a63361aec62","sha256:ccaa589ddd62948050569a1027401dc251b93649e35fbb6663b5f23e285d343f"],"state_sha256":"a154c8c36e4008219d1fa9ebcf9be286f25c925548328af05e9edede5ecb6c90"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9s2owghs4UsNFBSgu1tQiYDQgJG1U9FaxM8oD8AvMAmVojv+l7Apm1265zOWnYAZQVN09vl6MI/kgvp1ixZzBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T08:50:49.631769Z","bundle_sha256":"d98e91607703d2337ae062b9e9e5ef44508ecd68a20f19a1da4f4c0d5075ab80"}}