{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:BIQCGIC6XJMR2YLXQQEMYPQUDG","short_pith_number":"pith:BIQCGIC6","canonical_record":{"source":{"id":"1112.3948","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-12-16T20:45:02Z","cross_cats_sorted":[],"title_canon_sha256":"2149d277da9fe9eb3dc4b8420c97271db92051d0c2e65d9a20e7a896a7298ecf","abstract_canon_sha256":"e468409fdc2aef587ee325423c656072ccc781d57b4d21dc3df14c50e51c4c85"},"schema_version":"1.0"},"canonical_sha256":"0a2023205eba591d61778408cc3e141987dd8cc8a2302fea19840698651fd483","source":{"kind":"arxiv","id":"1112.3948","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.3948","created_at":"2026-05-18T03:46:03Z"},{"alias_kind":"arxiv_version","alias_value":"1112.3948v1","created_at":"2026-05-18T03:46:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.3948","created_at":"2026-05-18T03:46:03Z"},{"alias_kind":"pith_short_12","alias_value":"BIQCGIC6XJMR","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BIQCGIC6XJMR2YLX","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BIQCGIC6","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:BIQCGIC6XJMR2YLXQQEMYPQUDG","target":"record","payload":{"canonical_record":{"source":{"id":"1112.3948","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-12-16T20:45:02Z","cross_cats_sorted":[],"title_canon_sha256":"2149d277da9fe9eb3dc4b8420c97271db92051d0c2e65d9a20e7a896a7298ecf","abstract_canon_sha256":"e468409fdc2aef587ee325423c656072ccc781d57b4d21dc3df14c50e51c4c85"},"schema_version":"1.0"},"canonical_sha256":"0a2023205eba591d61778408cc3e141987dd8cc8a2302fea19840698651fd483","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:46:03.609993Z","signature_b64":"LBPkZ/l2jTlw2nLdw3d2TlcnCHxUqngzSHclVfNdw4rue24g2tsRFFIxt6pFsvKb0d3/5IKGJvKcd6RLV4DVDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0a2023205eba591d61778408cc3e141987dd8cc8a2302fea19840698651fd483","last_reissued_at":"2026-05-18T03:46:03.609145Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:46:03.609145Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1112.3948","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":"2026-05-18T03:46:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1GyLnbe/YAfggc/oXoAcGa8jbV8PW7gC2t6QyOxYIMyL5SFM9mgChWXHH1BajWfzf98OV02KcurJU2mHi3fBCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T04:00:43.123249Z"},"content_sha256":"674ea444b5cd7425742cd7493bcbeafd3659e978200c4fb099769991517891ba","schema_version":"1.0","event_id":"sha256:674ea444b5cd7425742cd7493bcbeafd3659e978200c4fb099769991517891ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:BIQCGIC6XJMR2YLXQQEMYPQUDG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Response of the Photospheric Magnetic Field to the X2.2 Flare on 2011 February 15","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Chang Liu, Haimin Wang, Na Deng, Rui Liu, Shuo Wang, Yang Liu","submitted_at":"2011-12-16T20:45:02Z","abstract_excerpt":"It is well known that the long-term evolution of the photospheric magnetic field plays an important role in building up free energy to power solar eruptions. Observations, despite being controversial, have also revealed a rapid and permanent variation of the photospheric magnetic field in response to the coronal magnetic field restructuring during the eruption. The Helioseismic and Magnetic Imager instrument (HMI) on board the newly launched Solar Dynamics Observatory (SDO) produces seeing-free full-disk vector magnetograms at consistently high resolution and high cadence, which finally makes "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.3948","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":"2026-05-18T03:46:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V0jwlT+aVd2qQUJPEbsOiv/XH0y45YFG7hvn///3Htj2z0v+u8RUzo8CeZrTDLx6Xom6ENW9PmryITStIVpTBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T04:00:43.123680Z"},"content_sha256":"35af1de0b32245da6d6dca54f6d7c62601d1d4e2864e4db47f6c97e0a834f414","schema_version":"1.0","event_id":"sha256:35af1de0b32245da6d6dca54f6d7c62601d1d4e2864e4db47f6c97e0a834f414"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BIQCGIC6XJMR2YLXQQEMYPQUDG/bundle.json","state_url":"https://pith.science/pith/BIQCGIC6XJMR2YLXQQEMYPQUDG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BIQCGIC6XJMR2YLXQQEMYPQUDG/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":"2026-05-26T04:00:43Z","links":{"resolver":"https://pith.science/pith/BIQCGIC6XJMR2YLXQQEMYPQUDG","bundle":"https://pith.science/pith/BIQCGIC6XJMR2YLXQQEMYPQUDG/bundle.json","state":"https://pith.science/pith/BIQCGIC6XJMR2YLXQQEMYPQUDG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BIQCGIC6XJMR2YLXQQEMYPQUDG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:BIQCGIC6XJMR2YLXQQEMYPQUDG","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":"e468409fdc2aef587ee325423c656072ccc781d57b4d21dc3df14c50e51c4c85","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-12-16T20:45:02Z","title_canon_sha256":"2149d277da9fe9eb3dc4b8420c97271db92051d0c2e65d9a20e7a896a7298ecf"},"schema_version":"1.0","source":{"id":"1112.3948","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.3948","created_at":"2026-05-18T03:46:03Z"},{"alias_kind":"arxiv_version","alias_value":"1112.3948v1","created_at":"2026-05-18T03:46:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.3948","created_at":"2026-05-18T03:46:03Z"},{"alias_kind":"pith_short_12","alias_value":"BIQCGIC6XJMR","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BIQCGIC6XJMR2YLX","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BIQCGIC6","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:35af1de0b32245da6d6dca54f6d7c62601d1d4e2864e4db47f6c97e0a834f414","target":"graph","created_at":"2026-05-18T03:46:03Z","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":"It is well known that the long-term evolution of the photospheric magnetic field plays an important role in building up free energy to power solar eruptions. Observations, despite being controversial, have also revealed a rapid and permanent variation of the photospheric magnetic field in response to the coronal magnetic field restructuring during the eruption. The Helioseismic and Magnetic Imager instrument (HMI) on board the newly launched Solar Dynamics Observatory (SDO) produces seeing-free full-disk vector magnetograms at consistently high resolution and high cadence, which finally makes ","authors_text":"Chang Liu, Haimin Wang, Na Deng, Rui Liu, Shuo Wang, Yang Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-12-16T20:45:02Z","title":"Response of the Photospheric Magnetic Field to the X2.2 Flare on 2011 February 15"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.3948","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":"sha256:674ea444b5cd7425742cd7493bcbeafd3659e978200c4fb099769991517891ba","target":"record","created_at":"2026-05-18T03:46:03Z","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":"e468409fdc2aef587ee325423c656072ccc781d57b4d21dc3df14c50e51c4c85","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-12-16T20:45:02Z","title_canon_sha256":"2149d277da9fe9eb3dc4b8420c97271db92051d0c2e65d9a20e7a896a7298ecf"},"schema_version":"1.0","source":{"id":"1112.3948","kind":"arxiv","version":1}},"canonical_sha256":"0a2023205eba591d61778408cc3e141987dd8cc8a2302fea19840698651fd483","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a2023205eba591d61778408cc3e141987dd8cc8a2302fea19840698651fd483","first_computed_at":"2026-05-18T03:46:03.609145Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:46:03.609145Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LBPkZ/l2jTlw2nLdw3d2TlcnCHxUqngzSHclVfNdw4rue24g2tsRFFIxt6pFsvKb0d3/5IKGJvKcd6RLV4DVDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:46:03.609993Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.3948","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:674ea444b5cd7425742cd7493bcbeafd3659e978200c4fb099769991517891ba","sha256:35af1de0b32245da6d6dca54f6d7c62601d1d4e2864e4db47f6c97e0a834f414"],"state_sha256":"6fc5e6ee7c3ab7fb20b6c0b44495559fef8bf0f3b062254615f1b0be64ac0c17"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O8hP+2JquY4zqIUkQ/01GHLLzBINJ7pU1UEfnWT/ssU1JCyF96ZqBAfL8p89yJyeW33bkIVSAjAzzWHX2RXqDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T04:00:43.126763Z","bundle_sha256":"c990bc6992b4dc913930845140ae50d0ee996adabb3acdadd3057601567a021a"}}