{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:WKJEASYGPR7MUJHKVPPSE56QWY","short_pith_number":"pith:WKJEASYG","canonical_record":{"source":{"id":"1606.05552","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-06-17T15:10:10Z","cross_cats_sorted":["astro-ph.CO","hep-ex"],"title_canon_sha256":"f9842a4beeca9ced37bbf70af51bc141a9e1c5c1e22d917286cb68ff468cdeb4","abstract_canon_sha256":"a03809152776f0a865894a9da33c52f186f03becc7b5b9da85dfd716fdd63db1"},"schema_version":"1.0"},"canonical_sha256":"b292404b067c7eca24eaabdf2277d0b61042e2612a6dd94ca359c647428d6723","source":{"kind":"arxiv","id":"1606.05552","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.05552","created_at":"2026-05-18T01:08:16Z"},{"alias_kind":"arxiv_version","alias_value":"1606.05552v1","created_at":"2026-05-18T01:08:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.05552","created_at":"2026-05-18T01:08:16Z"},{"alias_kind":"pith_short_12","alias_value":"WKJEASYGPR7M","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"WKJEASYGPR7MUJHK","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"WKJEASYG","created_at":"2026-05-18T12:30:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:WKJEASYGPR7MUJHKVPPSE56QWY","target":"record","payload":{"canonical_record":{"source":{"id":"1606.05552","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-06-17T15:10:10Z","cross_cats_sorted":["astro-ph.CO","hep-ex"],"title_canon_sha256":"f9842a4beeca9ced37bbf70af51bc141a9e1c5c1e22d917286cb68ff468cdeb4","abstract_canon_sha256":"a03809152776f0a865894a9da33c52f186f03becc7b5b9da85dfd716fdd63db1"},"schema_version":"1.0"},"canonical_sha256":"b292404b067c7eca24eaabdf2277d0b61042e2612a6dd94ca359c647428d6723","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:16.461710Z","signature_b64":"WMKJvJlTNbU+dkph7SmnV1mcg9GUYW+EDcYrieYpytAvWB3FjbWKH1MRomUJa1mlX4EOvIVZneqcoOS9GvhlBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b292404b067c7eca24eaabdf2277d0b61042e2612a6dd94ca359c647428d6723","last_reissued_at":"2026-05-18T01:08:16.461107Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:16.461107Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1606.05552","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":"2026-05-18T01:08:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6kh0oam9H3IALMJbE+RD502oQfqNUxIcYys5d3UaGInsaT2VJqUyPfwJSkIjfqpMzpJ/QKGXoXmujOdHPk3JBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T07:16:36.690277Z"},"content_sha256":"a00b2f3ce093f9b1754dc8fb7f5b3334da6771384c629318f6e796916bf892c0","schema_version":"1.0","event_id":"sha256:a00b2f3ce093f9b1754dc8fb7f5b3334da6771384c629318f6e796916bf892c0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:WKJEASYGPR7MUJHKVPPSE56QWY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Topological Defects and nano-Hz Gravitational Waves in Aligned Axion Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ex"],"primary_cat":"hep-ph","authors_text":"Fuminobu Takahashi, Kwang Sik Jeong, Naoya Kitajima, Tetsutaro Higaki, Toyokazu Sekiguchi","submitted_at":"2016-06-17T15:10:10Z","abstract_excerpt":"We study the formation and evolution of topological defects in an aligned axion model with multiple Peccei-Quinn scalars, where the QCD axion is realized by a certain combination of the axions with decay constants much smaller than the conventional Peccei-Quinn breaking scale. When the underlying U(1) symmetries are spontaneously broken, the aligned structure in the axion field space exhibits itself as a complicated string-wall network in the real space. We find that the string-wall network likely survives until the QCD phase transition if the number of the Peccei-Quinn scalars is greater than"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.05552","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":"2026-05-18T01:08:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+RKdJPzav094IPJ1NHYQbkAnE67wINPXIhJXY3A50Iiu0Xnfl0jvqNPqfCY0UtVavkZ/AZ5RvTzNNyQn9WrtAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T07:16:36.690981Z"},"content_sha256":"9c5932af2f4110b0b8462f20cfbd5771de001676c112223ff54afd3d26ad5b14","schema_version":"1.0","event_id":"sha256:9c5932af2f4110b0b8462f20cfbd5771de001676c112223ff54afd3d26ad5b14"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WKJEASYGPR7MUJHKVPPSE56QWY/bundle.json","state_url":"https://pith.science/pith/WKJEASYGPR7MUJHKVPPSE56QWY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WKJEASYGPR7MUJHKVPPSE56QWY/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":"2026-06-07T07:16:36Z","links":{"resolver":"https://pith.science/pith/WKJEASYGPR7MUJHKVPPSE56QWY","bundle":"https://pith.science/pith/WKJEASYGPR7MUJHKVPPSE56QWY/bundle.json","state":"https://pith.science/pith/WKJEASYGPR7MUJHKVPPSE56QWY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WKJEASYGPR7MUJHKVPPSE56QWY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:WKJEASYGPR7MUJHKVPPSE56QWY","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":"a03809152776f0a865894a9da33c52f186f03becc7b5b9da85dfd716fdd63db1","cross_cats_sorted":["astro-ph.CO","hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-06-17T15:10:10Z","title_canon_sha256":"f9842a4beeca9ced37bbf70af51bc141a9e1c5c1e22d917286cb68ff468cdeb4"},"schema_version":"1.0","source":{"id":"1606.05552","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.05552","created_at":"2026-05-18T01:08:16Z"},{"alias_kind":"arxiv_version","alias_value":"1606.05552v1","created_at":"2026-05-18T01:08:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.05552","created_at":"2026-05-18T01:08:16Z"},{"alias_kind":"pith_short_12","alias_value":"WKJEASYGPR7M","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"WKJEASYGPR7MUJHK","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"WKJEASYG","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:9c5932af2f4110b0b8462f20cfbd5771de001676c112223ff54afd3d26ad5b14","target":"graph","created_at":"2026-05-18T01:08:16Z","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"},"paper":{"abstract_excerpt":"We study the formation and evolution of topological defects in an aligned axion model with multiple Peccei-Quinn scalars, where the QCD axion is realized by a certain combination of the axions with decay constants much smaller than the conventional Peccei-Quinn breaking scale. When the underlying U(1) symmetries are spontaneously broken, the aligned structure in the axion field space exhibits itself as a complicated string-wall network in the real space. We find that the string-wall network likely survives until the QCD phase transition if the number of the Peccei-Quinn scalars is greater than","authors_text":"Fuminobu Takahashi, Kwang Sik Jeong, Naoya Kitajima, Tetsutaro Higaki, Toyokazu Sekiguchi","cross_cats":["astro-ph.CO","hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-06-17T15:10:10Z","title":"Topological Defects and nano-Hz Gravitational Waves in Aligned Axion Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.05552","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:a00b2f3ce093f9b1754dc8fb7f5b3334da6771384c629318f6e796916bf892c0","target":"record","created_at":"2026-05-18T01:08:16Z","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":"a03809152776f0a865894a9da33c52f186f03becc7b5b9da85dfd716fdd63db1","cross_cats_sorted":["astro-ph.CO","hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-06-17T15:10:10Z","title_canon_sha256":"f9842a4beeca9ced37bbf70af51bc141a9e1c5c1e22d917286cb68ff468cdeb4"},"schema_version":"1.0","source":{"id":"1606.05552","kind":"arxiv","version":1}},"canonical_sha256":"b292404b067c7eca24eaabdf2277d0b61042e2612a6dd94ca359c647428d6723","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b292404b067c7eca24eaabdf2277d0b61042e2612a6dd94ca359c647428d6723","first_computed_at":"2026-05-18T01:08:16.461107Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:16.461107Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WMKJvJlTNbU+dkph7SmnV1mcg9GUYW+EDcYrieYpytAvWB3FjbWKH1MRomUJa1mlX4EOvIVZneqcoOS9GvhlBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:16.461710Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.05552","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a00b2f3ce093f9b1754dc8fb7f5b3334da6771384c629318f6e796916bf892c0","sha256:9c5932af2f4110b0b8462f20cfbd5771de001676c112223ff54afd3d26ad5b14"],"state_sha256":"bc25d2612504495041823dc7c24e3a85a1e552a24e7d58d6d3632cf104238a44"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xfeZ1CfWHEWn2VRPBol1cftqHQUDYSBah1uW8qUX0T+my00YvLVbqS5a6Z92Qv/3C4YKJj2VOh0wa6pTi1aaBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T07:16:36.694412Z","bundle_sha256":"2762ad74346561010f8e83f20148ca4d66cee4273fd3fde7bfbc207d96894d96"}}