{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:DRO3JVPYPDVE3JWAUMY43J7ZRR","short_pith_number":"pith:DRO3JVPY","canonical_record":{"source":{"id":"1705.03252","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2017-05-09T09:57:54Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"d53e9e042314e92a195a6f0fe4670e3db93ae0250318632bdad8562aa9c192e7","abstract_canon_sha256":"d2c8d306723d267eb56c9ada47fb9dbdde17a267db41dcada713daac22f8b596"},"schema_version":"1.0"},"canonical_sha256":"1c5db4d5f878ea4da6c0a331cda7f98c72f7bc1ba0f0b7e3eedb24307ac3555b","source":{"kind":"arxiv","id":"1705.03252","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.03252","created_at":"2026-05-18T00:34:50Z"},{"alias_kind":"arxiv_version","alias_value":"1705.03252v1","created_at":"2026-05-18T00:34:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.03252","created_at":"2026-05-18T00:34:50Z"},{"alias_kind":"pith_short_12","alias_value":"DRO3JVPYPDVE","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"DRO3JVPYPDVE3JWA","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"DRO3JVPY","created_at":"2026-05-18T12:31:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:DRO3JVPYPDVE3JWAUMY43J7ZRR","target":"record","payload":{"canonical_record":{"source":{"id":"1705.03252","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2017-05-09T09:57:54Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"d53e9e042314e92a195a6f0fe4670e3db93ae0250318632bdad8562aa9c192e7","abstract_canon_sha256":"d2c8d306723d267eb56c9ada47fb9dbdde17a267db41dcada713daac22f8b596"},"schema_version":"1.0"},"canonical_sha256":"1c5db4d5f878ea4da6c0a331cda7f98c72f7bc1ba0f0b7e3eedb24307ac3555b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:34:50.885359Z","signature_b64":"12RSqBCrPUFZajcYLarmPRDN0pfGa5hwp/E55vcu6yo6ZT97ep6jsb27QE+xvHAgiYqJGT8d4DmAk/ndpb2RBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c5db4d5f878ea4da6c0a331cda7f98c72f7bc1ba0f0b7e3eedb24307ac3555b","last_reissued_at":"2026-05-18T00:34:50.884656Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:34:50.884656Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.03252","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":"2026-05-18T00:34:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LU1u+H2lqhvtLKm8C0U4t+6zHv8KSPt9i8ZrpN/oWx/0GOtG4RA8e7CBHFDR3PU5ilzGB0Ea39RomV2nK3jyAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:00:17.305745Z"},"content_sha256":"b132a9ae4f3bff104160b2d7e6f1797076142f3a02798c09639f00d02a845688","schema_version":"1.0","event_id":"sha256:b132a9ae4f3bff104160b2d7e6f1797076142f3a02798c09639f00d02a845688"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:DRO3JVPYPDVE3JWAUMY43J7ZRR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical signatures of the superconducting Goldstone mode in granular aluminum: experiments and theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Antonio M. Garcia-Garcia, Claudio Castellani, Eli Farber, Guy Deutscher, Lara Benfatto, Marc Scheffler, Martin Dressel, Nimrod Bachar, Tommaso Cea, Uwe S. Pracht","submitted_at":"2017-05-09T09:57:54Z","abstract_excerpt":"Recent advances in the experimental growth and control of disordered thin films, heterostructures, and interfaces provide a fertile ground for the observation and characterisation of the collective superconducting excitations emerging below $T_c$ after breaking the $U(1)$ gauge symmetry. Here we combine THz experiments in a nano-structured granular Al thin film and theoretical calculations to demonstrate the existence of optically-active phase modes, which represent the Goldstone excitations of the broken gauge symmetry. By measuring the complex transmission trough the sample we identify a siz"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.03252","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":"2026-05-18T00:34:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MQqKYp0vR+uqOKP631w9SSNgoKexRzaiZAUUeAR/DMrsWZLoalqQsdFih2kYq/puBTkqMX4SBoT2S5NwNYCwCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:00:17.306148Z"},"content_sha256":"d99744d31948db4571f39b74086f5e547aeec80c7dfa9e19d7fe3ad40ab2af19","schema_version":"1.0","event_id":"sha256:d99744d31948db4571f39b74086f5e547aeec80c7dfa9e19d7fe3ad40ab2af19"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DRO3JVPYPDVE3JWAUMY43J7ZRR/bundle.json","state_url":"https://pith.science/pith/DRO3JVPYPDVE3JWAUMY43J7ZRR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DRO3JVPYPDVE3JWAUMY43J7ZRR/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":"2026-05-25T21:00:17Z","links":{"resolver":"https://pith.science/pith/DRO3JVPYPDVE3JWAUMY43J7ZRR","bundle":"https://pith.science/pith/DRO3JVPYPDVE3JWAUMY43J7ZRR/bundle.json","state":"https://pith.science/pith/DRO3JVPYPDVE3JWAUMY43J7ZRR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DRO3JVPYPDVE3JWAUMY43J7ZRR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:DRO3JVPYPDVE3JWAUMY43J7ZRR","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":"d2c8d306723d267eb56c9ada47fb9dbdde17a267db41dcada713daac22f8b596","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2017-05-09T09:57:54Z","title_canon_sha256":"d53e9e042314e92a195a6f0fe4670e3db93ae0250318632bdad8562aa9c192e7"},"schema_version":"1.0","source":{"id":"1705.03252","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.03252","created_at":"2026-05-18T00:34:50Z"},{"alias_kind":"arxiv_version","alias_value":"1705.03252v1","created_at":"2026-05-18T00:34:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.03252","created_at":"2026-05-18T00:34:50Z"},{"alias_kind":"pith_short_12","alias_value":"DRO3JVPYPDVE","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"DRO3JVPYPDVE3JWA","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"DRO3JVPY","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:d99744d31948db4571f39b74086f5e547aeec80c7dfa9e19d7fe3ad40ab2af19","target":"graph","created_at":"2026-05-18T00:34:50Z","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":"Recent advances in the experimental growth and control of disordered thin films, heterostructures, and interfaces provide a fertile ground for the observation and characterisation of the collective superconducting excitations emerging below $T_c$ after breaking the $U(1)$ gauge symmetry. Here we combine THz experiments in a nano-structured granular Al thin film and theoretical calculations to demonstrate the existence of optically-active phase modes, which represent the Goldstone excitations of the broken gauge symmetry. By measuring the complex transmission trough the sample we identify a siz","authors_text":"Antonio M. Garcia-Garcia, Claudio Castellani, Eli Farber, Guy Deutscher, Lara Benfatto, Marc Scheffler, Martin Dressel, Nimrod Bachar, Tommaso Cea, Uwe S. Pracht","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2017-05-09T09:57:54Z","title":"Optical signatures of the superconducting Goldstone mode in granular aluminum: experiments and theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.03252","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:b132a9ae4f3bff104160b2d7e6f1797076142f3a02798c09639f00d02a845688","target":"record","created_at":"2026-05-18T00:34:50Z","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":"d2c8d306723d267eb56c9ada47fb9dbdde17a267db41dcada713daac22f8b596","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2017-05-09T09:57:54Z","title_canon_sha256":"d53e9e042314e92a195a6f0fe4670e3db93ae0250318632bdad8562aa9c192e7"},"schema_version":"1.0","source":{"id":"1705.03252","kind":"arxiv","version":1}},"canonical_sha256":"1c5db4d5f878ea4da6c0a331cda7f98c72f7bc1ba0f0b7e3eedb24307ac3555b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c5db4d5f878ea4da6c0a331cda7f98c72f7bc1ba0f0b7e3eedb24307ac3555b","first_computed_at":"2026-05-18T00:34:50.884656Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:34:50.884656Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"12RSqBCrPUFZajcYLarmPRDN0pfGa5hwp/E55vcu6yo6ZT97ep6jsb27QE+xvHAgiYqJGT8d4DmAk/ndpb2RBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:34:50.885359Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.03252","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b132a9ae4f3bff104160b2d7e6f1797076142f3a02798c09639f00d02a845688","sha256:d99744d31948db4571f39b74086f5e547aeec80c7dfa9e19d7fe3ad40ab2af19"],"state_sha256":"3deffd82a336db65e778280555dab77b8fcd440b40d47f4067c91a2d1defa1cf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9SKg8EewJtxIFe96wKl5uCI2qXFNIsA3TIBwERBP+PtR4Pxm36gwS88rWCUAnAGEQu+q/D6k95Ao+75kIwoYAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:00:17.309188Z","bundle_sha256":"be2e055997b319343c4e300afd3b4f0de761455681234b104fd818b95eb300ac"}}