{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:GD7XKM6PWCHRPUEVQGJCJCW6LY","short_pith_number":"pith:GD7XKM6P","canonical_record":{"source":{"id":"1211.7226","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-11-30T12:07:21Z","cross_cats_sorted":["physics.class-ph"],"title_canon_sha256":"b598db34ec52ea54dd6c4867e37f7e25759e0f100f43117821587721c66fde7d","abstract_canon_sha256":"cb916b1a8f6995f64364b910ccc9c3459545a41927ae1dce9aa55405652903cf"},"schema_version":"1.0"},"canonical_sha256":"30ff7533cfb08f17d0958192248ade5e236b5dd123bda44e8e1ffe86329c940d","source":{"kind":"arxiv","id":"1211.7226","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.7226","created_at":"2026-05-18T02:17:01Z"},{"alias_kind":"arxiv_version","alias_value":"1211.7226v1","created_at":"2026-05-18T02:17:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.7226","created_at":"2026-05-18T02:17:01Z"},{"alias_kind":"pith_short_12","alias_value":"GD7XKM6PWCHR","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"GD7XKM6PWCHRPUEV","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"GD7XKM6P","created_at":"2026-05-18T12:27:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:GD7XKM6PWCHRPUEVQGJCJCW6LY","target":"record","payload":{"canonical_record":{"source":{"id":"1211.7226","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-11-30T12:07:21Z","cross_cats_sorted":["physics.class-ph"],"title_canon_sha256":"b598db34ec52ea54dd6c4867e37f7e25759e0f100f43117821587721c66fde7d","abstract_canon_sha256":"cb916b1a8f6995f64364b910ccc9c3459545a41927ae1dce9aa55405652903cf"},"schema_version":"1.0"},"canonical_sha256":"30ff7533cfb08f17d0958192248ade5e236b5dd123bda44e8e1ffe86329c940d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:17:01.660375Z","signature_b64":"z6zvLw1OGx5Cp5bSD7jzMEXMMnFeJWPETYTPyBXxTQyrWUdwqk+w9vEPld4RtbdP/6o9dEXVW8VmPsbf/tE8Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"30ff7533cfb08f17d0958192248ade5e236b5dd123bda44e8e1ffe86329c940d","last_reissued_at":"2026-05-18T02:17:01.659700Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:17:01.659700Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.7226","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":"2026-05-18T02:17:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AYvGeaJBqaAl2pigMQ0AE84T6bDTRyb2fnAkp6rq7xu3NRxkyz9ePU6prZZNz3C/Q8r9BYQj5jf8eKEwwN2dDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T14:46:01.803675Z"},"content_sha256":"1fba430b3d6a4ab52fa4f71bcacd6e9fb91e993aace37c18b6c4dfd38c8a1da5","schema_version":"1.0","event_id":"sha256:1fba430b3d6a4ab52fa4f71bcacd6e9fb91e993aace37c18b6c4dfd38c8a1da5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:GD7XKM6PWCHRPUEVQGJCJCW6LY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Designable hybrid sonic crystals for transportation and division of acoustic images","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":["physics.class-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Heping Zhao, Ke Deng, Xiaochun Li, Zhaojian He","submitted_at":"2012-11-30T12:07:21Z","abstract_excerpt":"Conventional sonic crystal (SC) devices designed for acoustic imaging can focus acoustic waves from an input source into only one image but not multi-images. Furthermore the output position of formed image cannot be designed at will. In this paper, we propose the hybrid SC imaging devices to achieve multi-images from one-source-input along with the designable image-positions. The proposed hybrid devices can image acoustic waves radiated both from point source and Gaussian beam, which different from conventional SC imaging devices that only applies to point source. These multi-functional but st"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.7226","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":""},"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":"2026-05-18T02:17:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lIqUwCSZj914JqIAaRH44EOOggvX/jrXPemDT4oONHI3fO4F3b5CkpeZSwa/FzvwUmfbsJQQwj91+e5/HhqZAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T14:46:01.804337Z"},"content_sha256":"fbe9ae6a40a3438c2656d6da3b4a15880a827a28ddbd64a526ed6e424a2e12d1","schema_version":"1.0","event_id":"sha256:fbe9ae6a40a3438c2656d6da3b4a15880a827a28ddbd64a526ed6e424a2e12d1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GD7XKM6PWCHRPUEVQGJCJCW6LY/bundle.json","state_url":"https://pith.science/pith/GD7XKM6PWCHRPUEVQGJCJCW6LY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GD7XKM6PWCHRPUEVQGJCJCW6LY/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":"2026-05-26T14:46:01Z","links":{"resolver":"https://pith.science/pith/GD7XKM6PWCHRPUEVQGJCJCW6LY","bundle":"https://pith.science/pith/GD7XKM6PWCHRPUEVQGJCJCW6LY/bundle.json","state":"https://pith.science/pith/GD7XKM6PWCHRPUEVQGJCJCW6LY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GD7XKM6PWCHRPUEVQGJCJCW6LY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:GD7XKM6PWCHRPUEVQGJCJCW6LY","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":"cb916b1a8f6995f64364b910ccc9c3459545a41927ae1dce9aa55405652903cf","cross_cats_sorted":["physics.class-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-11-30T12:07:21Z","title_canon_sha256":"b598db34ec52ea54dd6c4867e37f7e25759e0f100f43117821587721c66fde7d"},"schema_version":"1.0","source":{"id":"1211.7226","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.7226","created_at":"2026-05-18T02:17:01Z"},{"alias_kind":"arxiv_version","alias_value":"1211.7226v1","created_at":"2026-05-18T02:17:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.7226","created_at":"2026-05-18T02:17:01Z"},{"alias_kind":"pith_short_12","alias_value":"GD7XKM6PWCHR","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"GD7XKM6PWCHRPUEV","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"GD7XKM6P","created_at":"2026-05-18T12:27:06Z"}],"graph_snapshots":[{"event_id":"sha256:fbe9ae6a40a3438c2656d6da3b4a15880a827a28ddbd64a526ed6e424a2e12d1","target":"graph","created_at":"2026-05-18T02:17:01Z","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"},"paper":{"abstract_excerpt":"Conventional sonic crystal (SC) devices designed for acoustic imaging can focus acoustic waves from an input source into only one image but not multi-images. Furthermore the output position of formed image cannot be designed at will. In this paper, we propose the hybrid SC imaging devices to achieve multi-images from one-source-input along with the designable image-positions. The proposed hybrid devices can image acoustic waves radiated both from point source and Gaussian beam, which different from conventional SC imaging devices that only applies to point source. These multi-functional but st","authors_text":"Heping Zhao, Ke Deng, Xiaochun Li, Zhaojian He","cross_cats":["physics.class-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-11-30T12:07:21Z","title":"Designable hybrid sonic crystals for transportation and division of acoustic images"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.7226","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":"sha256:1fba430b3d6a4ab52fa4f71bcacd6e9fb91e993aace37c18b6c4dfd38c8a1da5","target":"record","created_at":"2026-05-18T02:17:01Z","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":"cb916b1a8f6995f64364b910ccc9c3459545a41927ae1dce9aa55405652903cf","cross_cats_sorted":["physics.class-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-11-30T12:07:21Z","title_canon_sha256":"b598db34ec52ea54dd6c4867e37f7e25759e0f100f43117821587721c66fde7d"},"schema_version":"1.0","source":{"id":"1211.7226","kind":"arxiv","version":1}},"canonical_sha256":"30ff7533cfb08f17d0958192248ade5e236b5dd123bda44e8e1ffe86329c940d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"30ff7533cfb08f17d0958192248ade5e236b5dd123bda44e8e1ffe86329c940d","first_computed_at":"2026-05-18T02:17:01.659700Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:17:01.659700Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z6zvLw1OGx5Cp5bSD7jzMEXMMnFeJWPETYTPyBXxTQyrWUdwqk+w9vEPld4RtbdP/6o9dEXVW8VmPsbf/tE8Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:17:01.660375Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.7226","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1fba430b3d6a4ab52fa4f71bcacd6e9fb91e993aace37c18b6c4dfd38c8a1da5","sha256:fbe9ae6a40a3438c2656d6da3b4a15880a827a28ddbd64a526ed6e424a2e12d1"],"state_sha256":"ad160f0f1e596c483b7639bee0d145dbc28f3c4573da0feb3826b64a87312090"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/w8JhOaC8QFl2+fHs7xAPA7oIHo6TrwSHn3hxoY252STEAO2kFoFiteYLHOYF5C98852mxESLXU3HdsSjN6HBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T14:46:01.807696Z","bundle_sha256":"0785d8aace9ef3d646d66bc2e665c5b8008b8437538e19a58304e53fb7c80cf6"}}