{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:SW7WHMJLIFRZOTG7GLZXCJIZVK","short_pith_number":"pith:SW7WHMJL","canonical_record":{"source":{"id":"2111.13042","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2021-11-25T11:59:17Z","cross_cats_sorted":["cs.LG","cs.MM","eess.SP"],"title_canon_sha256":"efeefa5c76391e6a3cfa3c8c68cb29c0223e133f626fedc0ad513438524f948b","abstract_canon_sha256":"8763c0248a708e5e5f6f6f4c690a7a115f658a216d6c78833919eb1d8202389e"},"schema_version":"1.0"},"canonical_sha256":"95bf63b12b4163974cdf32f3712519aa963177f6b412f5e104cef556254a790f","source":{"kind":"arxiv","id":"2111.13042","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.13042","created_at":"2026-07-05T03:35:16Z"},{"alias_kind":"arxiv_version","alias_value":"2111.13042v1","created_at":"2026-07-05T03:35:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.13042","created_at":"2026-07-05T03:35:16Z"},{"alias_kind":"pith_short_12","alias_value":"SW7WHMJLIFRZ","created_at":"2026-07-05T03:35:16Z"},{"alias_kind":"pith_short_16","alias_value":"SW7WHMJLIFRZOTG7","created_at":"2026-07-05T03:35:16Z"},{"alias_kind":"pith_short_8","alias_value":"SW7WHMJL","created_at":"2026-07-05T03:35:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:SW7WHMJLIFRZOTG7GLZXCJIZVK","target":"record","payload":{"canonical_record":{"source":{"id":"2111.13042","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2021-11-25T11:59:17Z","cross_cats_sorted":["cs.LG","cs.MM","eess.SP"],"title_canon_sha256":"efeefa5c76391e6a3cfa3c8c68cb29c0223e133f626fedc0ad513438524f948b","abstract_canon_sha256":"8763c0248a708e5e5f6f6f4c690a7a115f658a216d6c78833919eb1d8202389e"},"schema_version":"1.0"},"canonical_sha256":"95bf63b12b4163974cdf32f3712519aa963177f6b412f5e104cef556254a790f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:35:16.586624Z","signature_b64":"vo43saybNijHxWVl0KK7LAOPTSgHuYNvH6U50Ox7pjxc+KOBfRk7i0se8AOKENbged6N/0LfjGFVLUXv8v4tDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"95bf63b12b4163974cdf32f3712519aa963177f6b412f5e104cef556254a790f","last_reissued_at":"2026-07-05T03:35:16.586225Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:35:16.586225Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.13042","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":"2026-07-05T03:35:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EY4oplq4m1Fa9yy7QLBLAXNuEvwj7dxhmzS6X1cyF10MxMxvS/3BeK6GY0VCV82FORF2elpJwYfiHsK7joc+CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T12:37:21.841526Z"},"content_sha256":"c7336109ab90756ae3e5b3e32964d04db5aa77a66caf7dd05fe3940d523b5551","schema_version":"1.0","event_id":"sha256:c7336109ab90756ae3e5b3e32964d04db5aa77a66caf7dd05fe3940d523b5551"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:SW7WHMJLIFRZOTG7GLZXCJIZVK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"DeepJSCC-Q: Channel Input Constrained Deep Joint Source-Channel Coding","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.LG","cs.MM","eess.SP"],"primary_cat":"eess.IV","authors_text":"David Burth Kurka, Deniz G\\\"und\\\"uz, Mikolaj Jankowski, Tze-Yang Tung","submitted_at":"2021-11-25T11:59:17Z","abstract_excerpt":"Recent works have shown that the task of wireless transmission of images can be learned with the use of machine learning techniques. Very promising results in end-to-end image quality, superior to popular digital schemes that utilize source and channel coding separation, have been demonstrated through the training of an autoencoder, with a non-trainable channel layer in the middle. However, these methods assume that any complex value can be transmitted over the channel, which can prevent the application of the algorithm in scenarios where the hardware or protocol can only admit certain sets of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.13042","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/2111.13042/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":"2026-07-05T03:35:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vu/SEgZ/sMnlUswFxk991noMrJM2rNnjoVtHbtcwbmoeayXLBaJ5hoF9DcbzJfZNV2KZ6pQeelEmQBSwk/xnAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T12:37:21.841904Z"},"content_sha256":"c29104d04e0491e749091830f533511f05a4550678149799eb4aa6feea66433e","schema_version":"1.0","event_id":"sha256:c29104d04e0491e749091830f533511f05a4550678149799eb4aa6feea66433e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SW7WHMJLIFRZOTG7GLZXCJIZVK/bundle.json","state_url":"https://pith.science/pith/SW7WHMJLIFRZOTG7GLZXCJIZVK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SW7WHMJLIFRZOTG7GLZXCJIZVK/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":"2026-07-10T12:37:21Z","links":{"resolver":"https://pith.science/pith/SW7WHMJLIFRZOTG7GLZXCJIZVK","bundle":"https://pith.science/pith/SW7WHMJLIFRZOTG7GLZXCJIZVK/bundle.json","state":"https://pith.science/pith/SW7WHMJLIFRZOTG7GLZXCJIZVK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SW7WHMJLIFRZOTG7GLZXCJIZVK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:SW7WHMJLIFRZOTG7GLZXCJIZVK","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":"8763c0248a708e5e5f6f6f4c690a7a115f658a216d6c78833919eb1d8202389e","cross_cats_sorted":["cs.LG","cs.MM","eess.SP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2021-11-25T11:59:17Z","title_canon_sha256":"efeefa5c76391e6a3cfa3c8c68cb29c0223e133f626fedc0ad513438524f948b"},"schema_version":"1.0","source":{"id":"2111.13042","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.13042","created_at":"2026-07-05T03:35:16Z"},{"alias_kind":"arxiv_version","alias_value":"2111.13042v1","created_at":"2026-07-05T03:35:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.13042","created_at":"2026-07-05T03:35:16Z"},{"alias_kind":"pith_short_12","alias_value":"SW7WHMJLIFRZ","created_at":"2026-07-05T03:35:16Z"},{"alias_kind":"pith_short_16","alias_value":"SW7WHMJLIFRZOTG7","created_at":"2026-07-05T03:35:16Z"},{"alias_kind":"pith_short_8","alias_value":"SW7WHMJL","created_at":"2026-07-05T03:35:16Z"}],"graph_snapshots":[{"event_id":"sha256:c29104d04e0491e749091830f533511f05a4550678149799eb4aa6feea66433e","target":"graph","created_at":"2026-07-05T03:35:16Z","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/2111.13042/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent works have shown that the task of wireless transmission of images can be learned with the use of machine learning techniques. Very promising results in end-to-end image quality, superior to popular digital schemes that utilize source and channel coding separation, have been demonstrated through the training of an autoencoder, with a non-trainable channel layer in the middle. However, these methods assume that any complex value can be transmitted over the channel, which can prevent the application of the algorithm in scenarios where the hardware or protocol can only admit certain sets of","authors_text":"David Burth Kurka, Deniz G\\\"und\\\"uz, Mikolaj Jankowski, Tze-Yang Tung","cross_cats":["cs.LG","cs.MM","eess.SP"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2021-11-25T11:59:17Z","title":"DeepJSCC-Q: Channel Input Constrained Deep Joint Source-Channel Coding"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.13042","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:c7336109ab90756ae3e5b3e32964d04db5aa77a66caf7dd05fe3940d523b5551","target":"record","created_at":"2026-07-05T03:35:16Z","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":"8763c0248a708e5e5f6f6f4c690a7a115f658a216d6c78833919eb1d8202389e","cross_cats_sorted":["cs.LG","cs.MM","eess.SP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.IV","submitted_at":"2021-11-25T11:59:17Z","title_canon_sha256":"efeefa5c76391e6a3cfa3c8c68cb29c0223e133f626fedc0ad513438524f948b"},"schema_version":"1.0","source":{"id":"2111.13042","kind":"arxiv","version":1}},"canonical_sha256":"95bf63b12b4163974cdf32f3712519aa963177f6b412f5e104cef556254a790f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"95bf63b12b4163974cdf32f3712519aa963177f6b412f5e104cef556254a790f","first_computed_at":"2026-07-05T03:35:16.586225Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:35:16.586225Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vo43saybNijHxWVl0KK7LAOPTSgHuYNvH6U50Ox7pjxc+KOBfRk7i0se8AOKENbged6N/0LfjGFVLUXv8v4tDA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:35:16.586624Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.13042","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c7336109ab90756ae3e5b3e32964d04db5aa77a66caf7dd05fe3940d523b5551","sha256:c29104d04e0491e749091830f533511f05a4550678149799eb4aa6feea66433e"],"state_sha256":"662a542eebc853d5334cda032d5950006e00b585bea99692e0df7b7bf8528da1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qzArSgTc7BmD+4p5pnJ7ZC9zBOnIy10cQE90BpSpYHbKDiA52a0E1oeshYW6IbjApVonEaHXUh7nM1bIF/CYDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-10T12:37:21.843914Z","bundle_sha256":"dd521d9be59a2790548960902045a7d4cf42a43ca87c346b36290e3753100f6a"}}