{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:TGWESC6SRGBO2VONBZF66VU5H2","short_pith_number":"pith:TGWESC6S","canonical_record":{"source":{"id":"1403.7810","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-03-30T20:46:50Z","cross_cats_sorted":[],"title_canon_sha256":"2bde40459cd738c5f4b5c10363968f76fa618a1709dd5612e5c6dec4aebc2eae","abstract_canon_sha256":"819682868baa2068c7c6651b9a8902ac3aea3a0cc1a2e515a8a39f1cf75126dd"},"schema_version":"1.0"},"canonical_sha256":"99ac490bd28982ed55cd0e4bef569d3eab0481acd09c7c2205fc764791799abf","source":{"kind":"arxiv","id":"1403.7810","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.7810","created_at":"2026-05-18T01:43:43Z"},{"alias_kind":"arxiv_version","alias_value":"1403.7810v1","created_at":"2026-05-18T01:43:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.7810","created_at":"2026-05-18T01:43:43Z"},{"alias_kind":"pith_short_12","alias_value":"TGWESC6SRGBO","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"TGWESC6SRGBO2VON","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"TGWESC6S","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:TGWESC6SRGBO2VONBZF66VU5H2","target":"record","payload":{"canonical_record":{"source":{"id":"1403.7810","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-03-30T20:46:50Z","cross_cats_sorted":[],"title_canon_sha256":"2bde40459cd738c5f4b5c10363968f76fa618a1709dd5612e5c6dec4aebc2eae","abstract_canon_sha256":"819682868baa2068c7c6651b9a8902ac3aea3a0cc1a2e515a8a39f1cf75126dd"},"schema_version":"1.0"},"canonical_sha256":"99ac490bd28982ed55cd0e4bef569d3eab0481acd09c7c2205fc764791799abf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:43.945406Z","signature_b64":"1ykEQf+N3jWE5OYQr++k7fqwLegzEUg/t7ikJKowkWbukYpNeHXiPqLzfFQhyea0I1ejlM3vggGiWlWWsWAHDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"99ac490bd28982ed55cd0e4bef569d3eab0481acd09c7c2205fc764791799abf","last_reissued_at":"2026-05-18T01:43:43.945017Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:43.945017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.7810","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":"2026-05-18T01:43:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"61HxNMDH3Mn4AdrHtTOCDD4mfadU9f1+3Vcx1sAsEVI7TObGlD0GOD5JHCAsvXyMzl9VCP8yuIBuePf2JFFBAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T06:16:45.016005Z"},"content_sha256":"1a9c2e57f29a4912ab756a5d950a663c6cd7f9d9fcc49fbc8968573a9901eaaa","schema_version":"1.0","event_id":"sha256:1a9c2e57f29a4912ab756a5d950a663c6cd7f9d9fcc49fbc8968573a9901eaaa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:TGWESC6SRGBO2VONBZF66VU5H2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Second Plasmon and Collective Modes in Binary Coulomb Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Gabor J. Kalman, Kenneth I. Golden, Peter Hartmann, Zoltan Donko","submitted_at":"2014-03-30T20:46:50Z","abstract_excerpt":"In a system consisting of two different charged species we identify the excitation of a second, low frequency plasmon. At strong coupling the doublet of high frequency (first) and low frequency (second) plasmons replaces the single plasmon excitation that prevails at weak coupling. We observe the formation of the second plasmon from the acoustic Goldstone type mode associated with short range interaction as the range is extended to infinity."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.7810","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":"2026-05-18T01:43:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g6GZ9MFbDR7kvRqsyjRxBspATVR1XmfCun4FWbRJQW5ify2rRY5I1HrCehOUItvVLJi51EnQrRhdRNudumCODQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T06:16:45.016398Z"},"content_sha256":"c865bd028a3f411845391524ebefacce79287314aba84799ec9c7a76702ecac1","schema_version":"1.0","event_id":"sha256:c865bd028a3f411845391524ebefacce79287314aba84799ec9c7a76702ecac1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TGWESC6SRGBO2VONBZF66VU5H2/bundle.json","state_url":"https://pith.science/pith/TGWESC6SRGBO2VONBZF66VU5H2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TGWESC6SRGBO2VONBZF66VU5H2/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":"2026-06-04T06:16:45Z","links":{"resolver":"https://pith.science/pith/TGWESC6SRGBO2VONBZF66VU5H2","bundle":"https://pith.science/pith/TGWESC6SRGBO2VONBZF66VU5H2/bundle.json","state":"https://pith.science/pith/TGWESC6SRGBO2VONBZF66VU5H2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TGWESC6SRGBO2VONBZF66VU5H2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:TGWESC6SRGBO2VONBZF66VU5H2","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":"819682868baa2068c7c6651b9a8902ac3aea3a0cc1a2e515a8a39f1cf75126dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-03-30T20:46:50Z","title_canon_sha256":"2bde40459cd738c5f4b5c10363968f76fa618a1709dd5612e5c6dec4aebc2eae"},"schema_version":"1.0","source":{"id":"1403.7810","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.7810","created_at":"2026-05-18T01:43:43Z"},{"alias_kind":"arxiv_version","alias_value":"1403.7810v1","created_at":"2026-05-18T01:43:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.7810","created_at":"2026-05-18T01:43:43Z"},{"alias_kind":"pith_short_12","alias_value":"TGWESC6SRGBO","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"TGWESC6SRGBO2VON","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"TGWESC6S","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:c865bd028a3f411845391524ebefacce79287314aba84799ec9c7a76702ecac1","target":"graph","created_at":"2026-05-18T01:43:43Z","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":"In a system consisting of two different charged species we identify the excitation of a second, low frequency plasmon. At strong coupling the doublet of high frequency (first) and low frequency (second) plasmons replaces the single plasmon excitation that prevails at weak coupling. We observe the formation of the second plasmon from the acoustic Goldstone type mode associated with short range interaction as the range is extended to infinity.","authors_text":"Gabor J. Kalman, Kenneth I. Golden, Peter Hartmann, Zoltan Donko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-03-30T20:46:50Z","title":"Second Plasmon and Collective Modes in Binary Coulomb Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.7810","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":"sha256:1a9c2e57f29a4912ab756a5d950a663c6cd7f9d9fcc49fbc8968573a9901eaaa","target":"record","created_at":"2026-05-18T01:43:43Z","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":"819682868baa2068c7c6651b9a8902ac3aea3a0cc1a2e515a8a39f1cf75126dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-03-30T20:46:50Z","title_canon_sha256":"2bde40459cd738c5f4b5c10363968f76fa618a1709dd5612e5c6dec4aebc2eae"},"schema_version":"1.0","source":{"id":"1403.7810","kind":"arxiv","version":1}},"canonical_sha256":"99ac490bd28982ed55cd0e4bef569d3eab0481acd09c7c2205fc764791799abf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"99ac490bd28982ed55cd0e4bef569d3eab0481acd09c7c2205fc764791799abf","first_computed_at":"2026-05-18T01:43:43.945017Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:43.945017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1ykEQf+N3jWE5OYQr++k7fqwLegzEUg/t7ikJKowkWbukYpNeHXiPqLzfFQhyea0I1ejlM3vggGiWlWWsWAHDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:43.945406Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.7810","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1a9c2e57f29a4912ab756a5d950a663c6cd7f9d9fcc49fbc8968573a9901eaaa","sha256:c865bd028a3f411845391524ebefacce79287314aba84799ec9c7a76702ecac1"],"state_sha256":"75b14de66fd0b074185df7e80e7897eb8edfbaf66946110eb840c5f6b9e8e0ba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J90ZpzxUNCI6mQVN1hkUgbE+RUi+UKDz2Z+66A2GYbpuCX6GPW1XVHqHdNCa26G8MzU1S0CYIKI5c1gFw4mRCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T06:16:45.018994Z","bundle_sha256":"f3d86e36f3481d6197a35b146490325f7d34f3eb6f183460f400e188d0b9e0c3"}}