{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:HMULGJM364EDXMVMSXTWOTYMO4","short_pith_number":"pith:HMULGJM3","canonical_record":{"source":{"id":"1212.1658","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-07T17:07:13Z","cross_cats_sorted":[],"title_canon_sha256":"b4e6e59d3b4047b6f6de64adad3a509314a4192d96b65ba3d8811e74f05694d4","abstract_canon_sha256":"2261bc8f4f1b2d55603ec770591f9db6207e1af6334e199388e333926cca9772"},"schema_version":"1.0"},"canonical_sha256":"3b28b3259bf7083bb2ac95e7674f0c77056673a285e0341681aa5ba766c92c31","source":{"kind":"arxiv","id":"1212.1658","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.1658","created_at":"2026-05-18T01:52:46Z"},{"alias_kind":"arxiv_version","alias_value":"1212.1658v1","created_at":"2026-05-18T01:52:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.1658","created_at":"2026-05-18T01:52:46Z"},{"alias_kind":"pith_short_12","alias_value":"HMULGJM364ED","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HMULGJM364EDXMVM","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HMULGJM3","created_at":"2026-05-18T12:27:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:HMULGJM364EDXMVMSXTWOTYMO4","target":"record","payload":{"canonical_record":{"source":{"id":"1212.1658","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-07T17:07:13Z","cross_cats_sorted":[],"title_canon_sha256":"b4e6e59d3b4047b6f6de64adad3a509314a4192d96b65ba3d8811e74f05694d4","abstract_canon_sha256":"2261bc8f4f1b2d55603ec770591f9db6207e1af6334e199388e333926cca9772"},"schema_version":"1.0"},"canonical_sha256":"3b28b3259bf7083bb2ac95e7674f0c77056673a285e0341681aa5ba766c92c31","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:46.443001Z","signature_b64":"MoTFgW/kcjxGFs61WUC+3eqKrEIMGaA3b2oqbNYbg//N557QgGvGIFYqtJiEN/2Bqe/puMs0hznw+msHmdPYDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3b28b3259bf7083bb2ac95e7674f0c77056673a285e0341681aa5ba766c92c31","last_reissued_at":"2026-05-18T01:52:46.442539Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:46.442539Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.1658","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":"2026-05-18T01:52:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y6k0TbySR/ApieXHC1SGHVww0c7h+gNWazbyYSSEFubVtUe2E7uhTL1RdtXA6BfYi+GCU4mrvQunHSrg713CAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T10:48:41.959834Z"},"content_sha256":"d4c9c642dea1815656dec51ed8095e94e89312748e63be971216527d1f0386ff","schema_version":"1.0","event_id":"sha256:d4c9c642dea1815656dec51ed8095e94e89312748e63be971216527d1f0386ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:HMULGJM364EDXMVMSXTWOTYMO4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rotation rates of the coronal holes and their probable anchoring depths","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"K. M. Hiremath, M. Hegde","submitted_at":"2012-12-07T17:07:13Z","abstract_excerpt":"For the years 2001-2008, we use full-disk, SOHO/EIT 195 $\\AA$ calibrated images to determine latitudinal and day to day variations of the rotation rates of coronal holes. We estimate the weighted average of heliographic coordinates such as latitude and longitude from the central meridian on the observed solar disk. For different latitude zones between $40^{o}$ north - $40^{o}$ south, we compute rotation rates, and find that, irrespective of their area, number of days observed on the solar disk and latitudes, coronal holes rotate rigidly. Combined for all the latitude zones, we also find that c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.1658","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":"2026-05-18T01:52:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Br0k6XK8EZEjBgEM5mqcX8wMsHbpeGPhI5cOxfJz4PINTe9fdI0TT1pNuXVcNX1fo3ImKcrNkiPwN8Ap9TVnCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T10:48:41.960160Z"},"content_sha256":"7e3009e4fa7b586ca72d3acacfd54490bf340b20cb0abda59c5fcdb1b44066e5","schema_version":"1.0","event_id":"sha256:7e3009e4fa7b586ca72d3acacfd54490bf340b20cb0abda59c5fcdb1b44066e5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HMULGJM364EDXMVMSXTWOTYMO4/bundle.json","state_url":"https://pith.science/pith/HMULGJM364EDXMVMSXTWOTYMO4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HMULGJM364EDXMVMSXTWOTYMO4/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":"2026-06-20T10:48:41Z","links":{"resolver":"https://pith.science/pith/HMULGJM364EDXMVMSXTWOTYMO4","bundle":"https://pith.science/pith/HMULGJM364EDXMVMSXTWOTYMO4/bundle.json","state":"https://pith.science/pith/HMULGJM364EDXMVMSXTWOTYMO4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HMULGJM364EDXMVMSXTWOTYMO4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:HMULGJM364EDXMVMSXTWOTYMO4","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":"2261bc8f4f1b2d55603ec770591f9db6207e1af6334e199388e333926cca9772","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-07T17:07:13Z","title_canon_sha256":"b4e6e59d3b4047b6f6de64adad3a509314a4192d96b65ba3d8811e74f05694d4"},"schema_version":"1.0","source":{"id":"1212.1658","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.1658","created_at":"2026-05-18T01:52:46Z"},{"alias_kind":"arxiv_version","alias_value":"1212.1658v1","created_at":"2026-05-18T01:52:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.1658","created_at":"2026-05-18T01:52:46Z"},{"alias_kind":"pith_short_12","alias_value":"HMULGJM364ED","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_16","alias_value":"HMULGJM364EDXMVM","created_at":"2026-05-18T12:27:09Z"},{"alias_kind":"pith_short_8","alias_value":"HMULGJM3","created_at":"2026-05-18T12:27:09Z"}],"graph_snapshots":[{"event_id":"sha256:7e3009e4fa7b586ca72d3acacfd54490bf340b20cb0abda59c5fcdb1b44066e5","target":"graph","created_at":"2026-05-18T01:52:46Z","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":"For the years 2001-2008, we use full-disk, SOHO/EIT 195 $\\AA$ calibrated images to determine latitudinal and day to day variations of the rotation rates of coronal holes. We estimate the weighted average of heliographic coordinates such as latitude and longitude from the central meridian on the observed solar disk. For different latitude zones between $40^{o}$ north - $40^{o}$ south, we compute rotation rates, and find that, irrespective of their area, number of days observed on the solar disk and latitudes, coronal holes rotate rigidly. Combined for all the latitude zones, we also find that c","authors_text":"K. M. Hiremath, M. Hegde","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-07T17:07:13Z","title":"Rotation rates of the coronal holes and their probable anchoring depths"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.1658","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:d4c9c642dea1815656dec51ed8095e94e89312748e63be971216527d1f0386ff","target":"record","created_at":"2026-05-18T01:52:46Z","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":"2261bc8f4f1b2d55603ec770591f9db6207e1af6334e199388e333926cca9772","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-07T17:07:13Z","title_canon_sha256":"b4e6e59d3b4047b6f6de64adad3a509314a4192d96b65ba3d8811e74f05694d4"},"schema_version":"1.0","source":{"id":"1212.1658","kind":"arxiv","version":1}},"canonical_sha256":"3b28b3259bf7083bb2ac95e7674f0c77056673a285e0341681aa5ba766c92c31","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3b28b3259bf7083bb2ac95e7674f0c77056673a285e0341681aa5ba766c92c31","first_computed_at":"2026-05-18T01:52:46.442539Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:46.442539Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MoTFgW/kcjxGFs61WUC+3eqKrEIMGaA3b2oqbNYbg//N557QgGvGIFYqtJiEN/2Bqe/puMs0hznw+msHmdPYDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:46.443001Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.1658","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d4c9c642dea1815656dec51ed8095e94e89312748e63be971216527d1f0386ff","sha256:7e3009e4fa7b586ca72d3acacfd54490bf340b20cb0abda59c5fcdb1b44066e5"],"state_sha256":"b93fee5b5d4900a2cee86caf5a6dcdbdb7692e993fad4d594268fef2defd9d9e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Uwzr6RCJVu4VyM0f/NQCsBepiA87Do4yogC4vXmROqvg+PLDxvfQrhpUJ7ezo9YBAoCycPeCqyQFzaZviD44Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T10:48:41.962194Z","bundle_sha256":"593d7cdb0aa7e3488a9b007ac8c3df9552cdce39eb373e4e42de39c6b0eab1cf"}}