{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:2HXGADD4FECZ7N3L7N2IHCUKEW","short_pith_number":"pith:2HXGADD4","canonical_record":{"source":{"id":"1506.08102","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-26T15:01:07Z","cross_cats_sorted":[],"title_canon_sha256":"aa5603e6034b1432fd7117f6a5e2a089a27d49512a42e51b0b13ddc233630386","abstract_canon_sha256":"3e2f000fa4afadaeee002df26484a349ce7933fe432d5a6a22bdc8ba67a02141"},"schema_version":"1.0"},"canonical_sha256":"d1ee600c7c29059fb76bfb74838a8a259048844e6a172d6776bc6c2ddd272165","source":{"kind":"arxiv","id":"1506.08102","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.08102","created_at":"2026-05-18T01:36:47Z"},{"alias_kind":"arxiv_version","alias_value":"1506.08102v2","created_at":"2026-05-18T01:36:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.08102","created_at":"2026-05-18T01:36:47Z"},{"alias_kind":"pith_short_12","alias_value":"2HXGADD4FECZ","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"2HXGADD4FECZ7N3L","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"2HXGADD4","created_at":"2026-05-18T12:28:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:2HXGADD4FECZ7N3L7N2IHCUKEW","target":"record","payload":{"canonical_record":{"source":{"id":"1506.08102","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-26T15:01:07Z","cross_cats_sorted":[],"title_canon_sha256":"aa5603e6034b1432fd7117f6a5e2a089a27d49512a42e51b0b13ddc233630386","abstract_canon_sha256":"3e2f000fa4afadaeee002df26484a349ce7933fe432d5a6a22bdc8ba67a02141"},"schema_version":"1.0"},"canonical_sha256":"d1ee600c7c29059fb76bfb74838a8a259048844e6a172d6776bc6c2ddd272165","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:47.696212Z","signature_b64":"ChOQbFJ1tc6RU3QO3f9ILarjmzbBPec29RUltSbCRryAKzgmRN6E8I4iUDmWKb+ij8cy6VK7+w6kfteM9hwwCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d1ee600c7c29059fb76bfb74838a8a259048844e6a172d6776bc6c2ddd272165","last_reissued_at":"2026-05-18T01:36:47.695618Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:47.695618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.08102","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":"2026-05-18T01:36:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6g1CLuw+yD/GA3pf9YelBrNJbas2EsVZoqaWG12QmdXtDu4h6bLzGSPTDCd1gvzW8yB6u0PQZYOLki8GOhhzBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:52:07.513661Z"},"content_sha256":"a1723a1fd404154d34030e212302f780f683dd275bfb6b0f0577cef1dcfc3fc9","schema_version":"1.0","event_id":"sha256:a1723a1fd404154d34030e212302f780f683dd275bfb6b0f0577cef1dcfc3fc9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:2HXGADD4FECZ7N3L7N2IHCUKEW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Intensity Conserving Spectral Fitting","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Durgesh Tripathi, James A. Klimchuk, Spiros Patsourakos","submitted_at":"2015-06-26T15:01:07Z","abstract_excerpt":"The detailed shapes of spectral line profiles provide valuable information about the emitting plasma, especially when the plasma contains an unresolved mixture of velocities, temperatures, and densities. As a result of finite spectral resolution, the intensity measured by a spectrometer is the average intensity across a wavelength bin of non-zero size. It is assigned to the wavelength position at the center of the bin. However, the actual intensity at that discrete position will be different if the profile is curved, as it invariably is. Standard fitting routines (spline, Gaussian, etc.) do no"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.08102","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":"2026-05-18T01:36:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"11tURko5iWrKJKPlrpYWGQXfJnj0TRUGyeWpgheopySMWix1R57UpC6t0+SVWKQMdoazusbVjrPv/7y7NdbFAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:52:07.513993Z"},"content_sha256":"92d2f6d17971062928003b6643d19242af42e71d843240a8ef66402c9808410e","schema_version":"1.0","event_id":"sha256:92d2f6d17971062928003b6643d19242af42e71d843240a8ef66402c9808410e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2HXGADD4FECZ7N3L7N2IHCUKEW/bundle.json","state_url":"https://pith.science/pith/2HXGADD4FECZ7N3L7N2IHCUKEW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2HXGADD4FECZ7N3L7N2IHCUKEW/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":"2026-06-01T17:52:07Z","links":{"resolver":"https://pith.science/pith/2HXGADD4FECZ7N3L7N2IHCUKEW","bundle":"https://pith.science/pith/2HXGADD4FECZ7N3L7N2IHCUKEW/bundle.json","state":"https://pith.science/pith/2HXGADD4FECZ7N3L7N2IHCUKEW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2HXGADD4FECZ7N3L7N2IHCUKEW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:2HXGADD4FECZ7N3L7N2IHCUKEW","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":"3e2f000fa4afadaeee002df26484a349ce7933fe432d5a6a22bdc8ba67a02141","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-26T15:01:07Z","title_canon_sha256":"aa5603e6034b1432fd7117f6a5e2a089a27d49512a42e51b0b13ddc233630386"},"schema_version":"1.0","source":{"id":"1506.08102","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.08102","created_at":"2026-05-18T01:36:47Z"},{"alias_kind":"arxiv_version","alias_value":"1506.08102v2","created_at":"2026-05-18T01:36:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.08102","created_at":"2026-05-18T01:36:47Z"},{"alias_kind":"pith_short_12","alias_value":"2HXGADD4FECZ","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"2HXGADD4FECZ7N3L","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"2HXGADD4","created_at":"2026-05-18T12:28:59Z"}],"graph_snapshots":[{"event_id":"sha256:92d2f6d17971062928003b6643d19242af42e71d843240a8ef66402c9808410e","target":"graph","created_at":"2026-05-18T01:36:47Z","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":"The detailed shapes of spectral line profiles provide valuable information about the emitting plasma, especially when the plasma contains an unresolved mixture of velocities, temperatures, and densities. As a result of finite spectral resolution, the intensity measured by a spectrometer is the average intensity across a wavelength bin of non-zero size. It is assigned to the wavelength position at the center of the bin. However, the actual intensity at that discrete position will be different if the profile is curved, as it invariably is. Standard fitting routines (spline, Gaussian, etc.) do no","authors_text":"Durgesh Tripathi, James A. Klimchuk, Spiros Patsourakos","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-26T15:01:07Z","title":"Intensity Conserving Spectral Fitting"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.08102","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:a1723a1fd404154d34030e212302f780f683dd275bfb6b0f0577cef1dcfc3fc9","target":"record","created_at":"2026-05-18T01:36:47Z","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":"3e2f000fa4afadaeee002df26484a349ce7933fe432d5a6a22bdc8ba67a02141","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-26T15:01:07Z","title_canon_sha256":"aa5603e6034b1432fd7117f6a5e2a089a27d49512a42e51b0b13ddc233630386"},"schema_version":"1.0","source":{"id":"1506.08102","kind":"arxiv","version":2}},"canonical_sha256":"d1ee600c7c29059fb76bfb74838a8a259048844e6a172d6776bc6c2ddd272165","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d1ee600c7c29059fb76bfb74838a8a259048844e6a172d6776bc6c2ddd272165","first_computed_at":"2026-05-18T01:36:47.695618Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:47.695618Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ChOQbFJ1tc6RU3QO3f9ILarjmzbBPec29RUltSbCRryAKzgmRN6E8I4iUDmWKb+ij8cy6VK7+w6kfteM9hwwCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:47.696212Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.08102","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a1723a1fd404154d34030e212302f780f683dd275bfb6b0f0577cef1dcfc3fc9","sha256:92d2f6d17971062928003b6643d19242af42e71d843240a8ef66402c9808410e"],"state_sha256":"cf79bbeea4075beb7fb801f8581d3578cb3df9c32f2a7216a6d0c62c5e4565b8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0QgCtFMISz4S69DPpfpV7RNfkEenecNCKmRQuqV3tFqX5IlL/b7+Oz+ZfiZyuwfhQ+hgolUolPGfVnAMvgkACA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T17:52:07.515832Z","bundle_sha256":"174770ebd2733d0a5679309f2dfc65aef2d0b87379cc57ec25f3aca0c3455b78"}}