{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:27PZILVLJDVYL5GO3SMW2DPBGL","short_pith_number":"pith:27PZILVL","canonical_record":{"source":{"id":"1405.0292","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-05-01T20:03:18Z","cross_cats_sorted":["astro-ph.SR","gr-qc","physics.ins-det","physics.space-ph"],"title_canon_sha256":"650684ad19ae02a5b2d96d9eaf78ec7a827ccbfb75cfe83b9d34df5102ce014f","abstract_canon_sha256":"71ebce8dc3419ca55654b228933f79bed2f57d02848c9c6b1e69e9f852927927"},"schema_version":"1.0"},"canonical_sha256":"d7df942eab48eb85f4cedc996d0de132cd5e864b8ea82066ba01382d00aea70e","source":{"kind":"arxiv","id":"1405.0292","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.0292","created_at":"2026-05-18T02:41:03Z"},{"alias_kind":"arxiv_version","alias_value":"1405.0292v2","created_at":"2026-05-18T02:41:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.0292","created_at":"2026-05-18T02:41:03Z"},{"alias_kind":"pith_short_12","alias_value":"27PZILVLJDVY","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"27PZILVLJDVYL5GO","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"27PZILVL","created_at":"2026-05-18T12:28:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:27PZILVLJDVYL5GO3SMW2DPBGL","target":"record","payload":{"canonical_record":{"source":{"id":"1405.0292","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-05-01T20:03:18Z","cross_cats_sorted":["astro-ph.SR","gr-qc","physics.ins-det","physics.space-ph"],"title_canon_sha256":"650684ad19ae02a5b2d96d9eaf78ec7a827ccbfb75cfe83b9d34df5102ce014f","abstract_canon_sha256":"71ebce8dc3419ca55654b228933f79bed2f57d02848c9c6b1e69e9f852927927"},"schema_version":"1.0"},"canonical_sha256":"d7df942eab48eb85f4cedc996d0de132cd5e864b8ea82066ba01382d00aea70e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:41:03.571483Z","signature_b64":"i60EhBWDmOLZyOeG/SLZwi+FFoC/dtcMcERAVcxhuqIhFomFIVthLHce6laUS10DF3EbQDQzvGIpQuSvsyKyDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d7df942eab48eb85f4cedc996d0de132cd5e864b8ea82066ba01382d00aea70e","last_reissued_at":"2026-05-18T02:41:03.571062Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:41:03.571062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.0292","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:41:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"huAIEfjSSKqev+y8uYOoDGIc7fS/mNt+W49+KKnt+s+/eamRCZGImACb1j7rWn8DGv+Mk7tKJOnN6+3cgl4EDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T19:22:10.107801Z"},"content_sha256":"15de6df13032afbcab51073316b374c4c9f5de8cadbe77a44fa698e43ef446b1","schema_version":"1.0","event_id":"sha256:15de6df13032afbcab51073316b374c4c9f5de8cadbe77a44fa698e43ef446b1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:27PZILVLJDVYL5GO3SMW2DPBGL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Helioseismology and Asteroseismology: Looking for Gravitational Waves in acoustic oscillations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR","gr-qc","physics.ins-det","physics.space-ph"],"primary_cat":"astro-ph.CO","authors_text":"Il\\'idio Lopes, Joseph Silk","submitted_at":"2014-05-01T20:03:18Z","abstract_excerpt":"Current helioseismology observations allow the determination of the frequencies and surface velocity amplitudes of solar acoustic modes with exceptionally high precision. In some cases, the frequency accuracy is better than one part in a million. We show that there is a distinct possibility that the quadrupole acoustic modes of low order could be excited by gravitational waves (GWs), if the GWs have a strain amplitude in the range $10^{-20}h_{-20}$ with $h_{-20}\\sim 1$ or $h_{-20}\\sim 10^{3}$, as predicted by several types of GW sources, such as galactic ultracompact binaries or extreme mass r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.0292","kind":"arxiv","version":2},"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":"2026-05-18T02:41:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qZ7QfBm7UNSquJsJk8GQOmbz9NfP3a1+0AKvftTPypu8eXj8TboQMKrsfL1l7V98xuo7ccoeREbCEWwbLq0QBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T19:22:10.108158Z"},"content_sha256":"d3aec4f1d050e02aeb3c77a9e5fae66fd57cefc597c5ffde85cf79a62387aa07","schema_version":"1.0","event_id":"sha256:d3aec4f1d050e02aeb3c77a9e5fae66fd57cefc597c5ffde85cf79a62387aa07"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/27PZILVLJDVYL5GO3SMW2DPBGL/bundle.json","state_url":"https://pith.science/pith/27PZILVLJDVYL5GO3SMW2DPBGL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/27PZILVLJDVYL5GO3SMW2DPBGL/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":"2026-06-02T19:22:10Z","links":{"resolver":"https://pith.science/pith/27PZILVLJDVYL5GO3SMW2DPBGL","bundle":"https://pith.science/pith/27PZILVLJDVYL5GO3SMW2DPBGL/bundle.json","state":"https://pith.science/pith/27PZILVLJDVYL5GO3SMW2DPBGL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/27PZILVLJDVYL5GO3SMW2DPBGL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:27PZILVLJDVYL5GO3SMW2DPBGL","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":"71ebce8dc3419ca55654b228933f79bed2f57d02848c9c6b1e69e9f852927927","cross_cats_sorted":["astro-ph.SR","gr-qc","physics.ins-det","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-05-01T20:03:18Z","title_canon_sha256":"650684ad19ae02a5b2d96d9eaf78ec7a827ccbfb75cfe83b9d34df5102ce014f"},"schema_version":"1.0","source":{"id":"1405.0292","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.0292","created_at":"2026-05-18T02:41:03Z"},{"alias_kind":"arxiv_version","alias_value":"1405.0292v2","created_at":"2026-05-18T02:41:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.0292","created_at":"2026-05-18T02:41:03Z"},{"alias_kind":"pith_short_12","alias_value":"27PZILVLJDVY","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"27PZILVLJDVYL5GO","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"27PZILVL","created_at":"2026-05-18T12:28:09Z"}],"graph_snapshots":[{"event_id":"sha256:d3aec4f1d050e02aeb3c77a9e5fae66fd57cefc597c5ffde85cf79a62387aa07","target":"graph","created_at":"2026-05-18T02:41:03Z","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":"Current helioseismology observations allow the determination of the frequencies and surface velocity amplitudes of solar acoustic modes with exceptionally high precision. In some cases, the frequency accuracy is better than one part in a million. We show that there is a distinct possibility that the quadrupole acoustic modes of low order could be excited by gravitational waves (GWs), if the GWs have a strain amplitude in the range $10^{-20}h_{-20}$ with $h_{-20}\\sim 1$ or $h_{-20}\\sim 10^{3}$, as predicted by several types of GW sources, such as galactic ultracompact binaries or extreme mass r","authors_text":"Il\\'idio Lopes, Joseph Silk","cross_cats":["astro-ph.SR","gr-qc","physics.ins-det","physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-05-01T20:03:18Z","title":"Helioseismology and Asteroseismology: Looking for Gravitational Waves in acoustic oscillations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.0292","kind":"arxiv","version":2},"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":"sha256:15de6df13032afbcab51073316b374c4c9f5de8cadbe77a44fa698e43ef446b1","target":"record","created_at":"2026-05-18T02:41:03Z","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":"71ebce8dc3419ca55654b228933f79bed2f57d02848c9c6b1e69e9f852927927","cross_cats_sorted":["astro-ph.SR","gr-qc","physics.ins-det","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-05-01T20:03:18Z","title_canon_sha256":"650684ad19ae02a5b2d96d9eaf78ec7a827ccbfb75cfe83b9d34df5102ce014f"},"schema_version":"1.0","source":{"id":"1405.0292","kind":"arxiv","version":2}},"canonical_sha256":"d7df942eab48eb85f4cedc996d0de132cd5e864b8ea82066ba01382d00aea70e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d7df942eab48eb85f4cedc996d0de132cd5e864b8ea82066ba01382d00aea70e","first_computed_at":"2026-05-18T02:41:03.571062Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:41:03.571062Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i60EhBWDmOLZyOeG/SLZwi+FFoC/dtcMcERAVcxhuqIhFomFIVthLHce6laUS10DF3EbQDQzvGIpQuSvsyKyDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:41:03.571483Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.0292","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:15de6df13032afbcab51073316b374c4c9f5de8cadbe77a44fa698e43ef446b1","sha256:d3aec4f1d050e02aeb3c77a9e5fae66fd57cefc597c5ffde85cf79a62387aa07"],"state_sha256":"4722bea8474c428a661a6943a6e44312578402c5b45efb53c09f7c943bc9a0e4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FMmIQnbAN4cKtnfgr+9UHTAypNegxcjZbix0tEKiZCrHh81Zw2NuD97ziOV0UIeXxOyMHX3Iv7gIXh2H3tlwDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T19:22:10.110385Z","bundle_sha256":"394214469a81835c2d5caa07374a63ae5b3732c659ab0498aca3b194e973c92b"}}