{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:Z4GOC5EFB3WYGSTP3VBSDBH4PZ","short_pith_number":"pith:Z4GOC5EF","canonical_record":{"source":{"id":"2605.16420","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-05-14T12:38:23Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"e03db5211a37ed2c5574e5a10e74bf05326c44f1d193506bba4d6a900ba72151","abstract_canon_sha256":"0b55f084753b30919b60b1b4cf5a5b1489a8695002f7f13234b38f1c6532812b"},"schema_version":"1.0"},"canonical_sha256":"cf0ce174850eed834a6fdd432184fc7e74dfa4e7b4efdf5b84e45a15fb49e9c8","source":{"kind":"arxiv","id":"2605.16420","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.16420","created_at":"2026-05-20T00:02:21Z"},{"alias_kind":"arxiv_version","alias_value":"2605.16420v1","created_at":"2026-05-20T00:02:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.16420","created_at":"2026-05-20T00:02:21Z"},{"alias_kind":"pith_short_12","alias_value":"Z4GOC5EFB3WY","created_at":"2026-05-20T00:02:21Z"},{"alias_kind":"pith_short_16","alias_value":"Z4GOC5EFB3WYGSTP","created_at":"2026-05-20T00:02:21Z"},{"alias_kind":"pith_short_8","alias_value":"Z4GOC5EF","created_at":"2026-05-20T00:02:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:Z4GOC5EFB3WYGSTP3VBSDBH4PZ","target":"record","payload":{"canonical_record":{"source":{"id":"2605.16420","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-05-14T12:38:23Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"e03db5211a37ed2c5574e5a10e74bf05326c44f1d193506bba4d6a900ba72151","abstract_canon_sha256":"0b55f084753b30919b60b1b4cf5a5b1489a8695002f7f13234b38f1c6532812b"},"schema_version":"1.0"},"canonical_sha256":"cf0ce174850eed834a6fdd432184fc7e74dfa4e7b4efdf5b84e45a15fb49e9c8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T00:02:21.429022Z","signature_b64":"j1E3deRxo8g6ToxuF6SOtuWIZHIv+4M8l0wHocwm8u0nuQi8QFv7FRS66pDFKVXj8mVGh2oGfldnPup+qQV7Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cf0ce174850eed834a6fdd432184fc7e74dfa4e7b4efdf5b84e45a15fb49e9c8","last_reissued_at":"2026-05-20T00:02:21.428306Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T00:02:21.428306Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.16420","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":"2026-05-20T00:02:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fJ43dG4PMmSc2w59imY9gySO0VJDf7qE3oV5TrD5uzj7ul4FHg1Ob4FiVHEYLU7OtuW8BnSScHGbgZLbPSWaDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T14:40:03.552499Z"},"content_sha256":"311222926d86796fa5046f701f7f3f115c312c37d0503ba53991e6d6c7eef288","schema_version":"1.0","event_id":"sha256:311222926d86796fa5046f701f7f3f115c312c37d0503ba53991e6d6c7eef288"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:Z4GOC5EFB3WYGSTP3VBSDBH4PZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Video Reconstruction using Diffusion-based Image-to-Video Generation with Trajectory Guidance","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"cs.CV","authors_text":"Dimitris Zissis, Giannis Spiliopoulos, Ioannis Kontopoulos, Konstantinos Tserpes, Stelio Bompai","submitted_at":"2026-05-14T12:38:23Z","abstract_excerpt":"This paper addresses the problem of reconstructing missing or dropped frames in top-down drone video of autonomous surface vehicles performing structured maritime manoeuvres. We propose a pipeline that converts raw GPS telemetry and a single reference frame into a trajectory-guided video sequence using a pre-trained image-to-video diffusion model, requiring no domain-specific fine-tuning. GPS coordinates from onboard telemetry logs are projected into image space via an equirectangular mapping, producing per-vessel motion cues that condition the SG-I2V diffusion model. The generated frames are "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.16420","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/2605.16420/integrity.json","findings":[],"available":true,"detectors_run":[{"name":"claim_evidence","ran_at":"2026-05-19T19:41:56.558010Z","status":"completed","version":"1.0.0","findings_count":0},{"name":"ai_meta_artifact","ran_at":"2026-05-19T19:34:36.589493Z","status":"skipped","version":"1.0.0","findings_count":0}],"snapshot_sha256":"6b27467ff47324703a387eb9f70f51483927ef6220da390a027587f322ab7d0a"},"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":"2026-05-20T00:02:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dwngSr77IFcUc5rrQN3es2Gzjl5Qk4bekg+IwVrUBZ4BItynebVejtlpz7jmo+3hzdoDsK4gREur3mXY/Rs4Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T14:40:03.552949Z"},"content_sha256":"55d9711d2a7d36459f759b8559ffbf96be616cb1be73800eea68923476e7ad71","schema_version":"1.0","event_id":"sha256:55d9711d2a7d36459f759b8559ffbf96be616cb1be73800eea68923476e7ad71"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z4GOC5EFB3WYGSTP3VBSDBH4PZ/bundle.json","state_url":"https://pith.science/pith/Z4GOC5EFB3WYGSTP3VBSDBH4PZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z4GOC5EFB3WYGSTP3VBSDBH4PZ/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":"2026-05-26T14:40:03Z","links":{"resolver":"https://pith.science/pith/Z4GOC5EFB3WYGSTP3VBSDBH4PZ","bundle":"https://pith.science/pith/Z4GOC5EFB3WYGSTP3VBSDBH4PZ/bundle.json","state":"https://pith.science/pith/Z4GOC5EFB3WYGSTP3VBSDBH4PZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z4GOC5EFB3WYGSTP3VBSDBH4PZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:Z4GOC5EFB3WYGSTP3VBSDBH4PZ","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":"0b55f084753b30919b60b1b4cf5a5b1489a8695002f7f13234b38f1c6532812b","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-05-14T12:38:23Z","title_canon_sha256":"e03db5211a37ed2c5574e5a10e74bf05326c44f1d193506bba4d6a900ba72151"},"schema_version":"1.0","source":{"id":"2605.16420","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.16420","created_at":"2026-05-20T00:02:21Z"},{"alias_kind":"arxiv_version","alias_value":"2605.16420v1","created_at":"2026-05-20T00:02:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.16420","created_at":"2026-05-20T00:02:21Z"},{"alias_kind":"pith_short_12","alias_value":"Z4GOC5EFB3WY","created_at":"2026-05-20T00:02:21Z"},{"alias_kind":"pith_short_16","alias_value":"Z4GOC5EFB3WYGSTP","created_at":"2026-05-20T00:02:21Z"},{"alias_kind":"pith_short_8","alias_value":"Z4GOC5EF","created_at":"2026-05-20T00:02:21Z"}],"graph_snapshots":[{"event_id":"sha256:55d9711d2a7d36459f759b8559ffbf96be616cb1be73800eea68923476e7ad71","target":"graph","created_at":"2026-05-20T00:02:21Z","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":[{"findings_count":0,"name":"claim_evidence","ran_at":"2026-05-19T19:41:56.558010Z","status":"completed","version":"1.0.0"},{"findings_count":0,"name":"ai_meta_artifact","ran_at":"2026-05-19T19:34:36.589493Z","status":"skipped","version":"1.0.0"}],"endpoint":"/pith/2605.16420/integrity.json","findings":[],"snapshot_sha256":"6b27467ff47324703a387eb9f70f51483927ef6220da390a027587f322ab7d0a","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper addresses the problem of reconstructing missing or dropped frames in top-down drone video of autonomous surface vehicles performing structured maritime manoeuvres. We propose a pipeline that converts raw GPS telemetry and a single reference frame into a trajectory-guided video sequence using a pre-trained image-to-video diffusion model, requiring no domain-specific fine-tuning. GPS coordinates from onboard telemetry logs are projected into image space via an equirectangular mapping, producing per-vessel motion cues that condition the SG-I2V diffusion model. The generated frames are ","authors_text":"Dimitris Zissis, Giannis Spiliopoulos, Ioannis Kontopoulos, Konstantinos Tserpes, Stelio Bompai","cross_cats":["cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-05-14T12:38:23Z","title":"Video Reconstruction using Diffusion-based Image-to-Video Generation with Trajectory Guidance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.16420","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":"sha256:311222926d86796fa5046f701f7f3f115c312c37d0503ba53991e6d6c7eef288","target":"record","created_at":"2026-05-20T00:02:21Z","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":"0b55f084753b30919b60b1b4cf5a5b1489a8695002f7f13234b38f1c6532812b","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-05-14T12:38:23Z","title_canon_sha256":"e03db5211a37ed2c5574e5a10e74bf05326c44f1d193506bba4d6a900ba72151"},"schema_version":"1.0","source":{"id":"2605.16420","kind":"arxiv","version":1}},"canonical_sha256":"cf0ce174850eed834a6fdd432184fc7e74dfa4e7b4efdf5b84e45a15fb49e9c8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cf0ce174850eed834a6fdd432184fc7e74dfa4e7b4efdf5b84e45a15fb49e9c8","first_computed_at":"2026-05-20T00:02:21.428306Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:02:21.428306Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j1E3deRxo8g6ToxuF6SOtuWIZHIv+4M8l0wHocwm8u0nuQi8QFv7FRS66pDFKVXj8mVGh2oGfldnPup+qQV7Bg==","signature_status":"signed_v1","signed_at":"2026-05-20T00:02:21.429022Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.16420","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:311222926d86796fa5046f701f7f3f115c312c37d0503ba53991e6d6c7eef288","sha256:55d9711d2a7d36459f759b8559ffbf96be616cb1be73800eea68923476e7ad71"],"state_sha256":"5484e06c2ca243398a60f891496970f0129323b385f023fa316e2aef1d2243f2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Th6KyWEhJswR0WPtSjUsTq9iqLzbHM061SLthVW4hTft2OZPedqqdnp3MMIVdCscnGMJopeVySD6qKKGF3M4Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T14:40:03.557131Z","bundle_sha256":"2bcb8ffd850ae53761e479d494a125492979c28e673848795a39c7cc03c656b3"}}