{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:4FMQFFS6OB4YZVFO2BIDQDOJ5T","short_pith_number":"pith:4FMQFFS6","canonical_record":{"source":{"id":"astro-ph/0612649","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-12-21T15:01:44Z","cross_cats_sorted":[],"title_canon_sha256":"8f6100d4a7a44af4a8339f2b149bf6bebdb8855b1f23ee85d693d4249c092ce5","abstract_canon_sha256":"ae9cd9d770229e359b9e8e73181375198f2693cc5b4f89ca678394867e569884"},"schema_version":"1.0"},"canonical_sha256":"e15902965e70798cd4aed050380dc9ecdd281e73cf218284280695539c07be29","source":{"kind":"arxiv","id":"astro-ph/0612649","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0612649","created_at":"2026-07-04T14:58:10Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0612649v1","created_at":"2026-07-04T14:58:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0612649","created_at":"2026-07-04T14:58:10Z"},{"alias_kind":"pith_short_12","alias_value":"4FMQFFS6OB4Y","created_at":"2026-07-04T14:58:10Z"},{"alias_kind":"pith_short_16","alias_value":"4FMQFFS6OB4YZVFO","created_at":"2026-07-04T14:58:10Z"},{"alias_kind":"pith_short_8","alias_value":"4FMQFFS6","created_at":"2026-07-04T14:58:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:4FMQFFS6OB4YZVFO2BIDQDOJ5T","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0612649","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-12-21T15:01:44Z","cross_cats_sorted":[],"title_canon_sha256":"8f6100d4a7a44af4a8339f2b149bf6bebdb8855b1f23ee85d693d4249c092ce5","abstract_canon_sha256":"ae9cd9d770229e359b9e8e73181375198f2693cc5b4f89ca678394867e569884"},"schema_version":"1.0"},"canonical_sha256":"e15902965e70798cd4aed050380dc9ecdd281e73cf218284280695539c07be29","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:58:10.463516Z","signature_b64":"8FS+C38Uv50pearrLuDsppM/34Cf4Kiv9P7W85WPi9bM7SctKyLLpp4jRj2gxk1yrJgNAgnTWaCXFj346kx8BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e15902965e70798cd4aed050380dc9ecdd281e73cf218284280695539c07be29","last_reissued_at":"2026-07-04T14:58:10.463124Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:58:10.463124Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0612649","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":"2026-07-04T14:58:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ka2yLDki9PSTzMygoCNT8lOiSIrb1NBWBly8ND0kii1WR7kwO6P33XrS0HwwRm+LU/qrsJVj+Dg1AMhXLSBYBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T07:29:35.637917Z"},"content_sha256":"58cbedc796e95081e9c94d3801c1dca19a99653b43b5015b17d62f1e037ab5e9","schema_version":"1.0","event_id":"sha256:58cbedc796e95081e9c94d3801c1dca19a99653b43b5015b17d62f1e037ab5e9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:4FMQFFS6OB4YZVFO2BIDQDOJ5T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stereoscopy basics for the STEREO mission","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Bernd Inhester","submitted_at":"2006-12-21T15:01:44Z","abstract_excerpt":"We discuss some basic principles of stereoscopy and their relevance to the reconstruction of coronal loops. The aim of the paper is to make the solar physicist familiar with basic stereoscopy principles and to give hints how they may apply to the analysis of data from the forthcoming STEREO mission. We disucss the geometry of the solar coronal stereo problem, give the basic principles of a tie-point reconstruction algorithm and consider ambiguities and resolution errors. Finally we mention extensions to plain stereoscopy such as a third view, a tomography-like approach and how magnetic field i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0612649","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0612649/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T14:58:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+EmltaAKUXJybwrYyH0huaSH2ihKGHIE2CL6zIKNT3+6pdbflBIZVdAst+nVRz2XYKmVNwg01DDw3kIvm0NSCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T07:29:35.638423Z"},"content_sha256":"18064913ab0e903aa8d68f241b915212d75b114ef4a20b408de554fe387fe0e4","schema_version":"1.0","event_id":"sha256:18064913ab0e903aa8d68f241b915212d75b114ef4a20b408de554fe387fe0e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4FMQFFS6OB4YZVFO2BIDQDOJ5T/bundle.json","state_url":"https://pith.science/pith/4FMQFFS6OB4YZVFO2BIDQDOJ5T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4FMQFFS6OB4YZVFO2BIDQDOJ5T/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":"2026-08-06T07:29:35Z","links":{"resolver":"https://pith.science/pith/4FMQFFS6OB4YZVFO2BIDQDOJ5T","bundle":"https://pith.science/pith/4FMQFFS6OB4YZVFO2BIDQDOJ5T/bundle.json","state":"https://pith.science/pith/4FMQFFS6OB4YZVFO2BIDQDOJ5T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4FMQFFS6OB4YZVFO2BIDQDOJ5T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:4FMQFFS6OB4YZVFO2BIDQDOJ5T","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":"ae9cd9d770229e359b9e8e73181375198f2693cc5b4f89ca678394867e569884","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-12-21T15:01:44Z","title_canon_sha256":"8f6100d4a7a44af4a8339f2b149bf6bebdb8855b1f23ee85d693d4249c092ce5"},"schema_version":"1.0","source":{"id":"astro-ph/0612649","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0612649","created_at":"2026-07-04T14:58:10Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0612649v1","created_at":"2026-07-04T14:58:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0612649","created_at":"2026-07-04T14:58:10Z"},{"alias_kind":"pith_short_12","alias_value":"4FMQFFS6OB4Y","created_at":"2026-07-04T14:58:10Z"},{"alias_kind":"pith_short_16","alias_value":"4FMQFFS6OB4YZVFO","created_at":"2026-07-04T14:58:10Z"},{"alias_kind":"pith_short_8","alias_value":"4FMQFFS6","created_at":"2026-07-04T14:58:10Z"}],"graph_snapshots":[{"event_id":"sha256:18064913ab0e903aa8d68f241b915212d75b114ef4a20b408de554fe387fe0e4","target":"graph","created_at":"2026-07-04T14:58:10Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0612649/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We discuss some basic principles of stereoscopy and their relevance to the reconstruction of coronal loops. The aim of the paper is to make the solar physicist familiar with basic stereoscopy principles and to give hints how they may apply to the analysis of data from the forthcoming STEREO mission. We disucss the geometry of the solar coronal stereo problem, give the basic principles of a tie-point reconstruction algorithm and consider ambiguities and resolution errors. Finally we mention extensions to plain stereoscopy such as a third view, a tomography-like approach and how magnetic field i","authors_text":"Bernd Inhester","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-12-21T15:01:44Z","title":"Stereoscopy basics for the STEREO mission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0612649","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":"sha256:58cbedc796e95081e9c94d3801c1dca19a99653b43b5015b17d62f1e037ab5e9","target":"record","created_at":"2026-07-04T14:58:10Z","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":"ae9cd9d770229e359b9e8e73181375198f2693cc5b4f89ca678394867e569884","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-12-21T15:01:44Z","title_canon_sha256":"8f6100d4a7a44af4a8339f2b149bf6bebdb8855b1f23ee85d693d4249c092ce5"},"schema_version":"1.0","source":{"id":"astro-ph/0612649","kind":"arxiv","version":1}},"canonical_sha256":"e15902965e70798cd4aed050380dc9ecdd281e73cf218284280695539c07be29","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e15902965e70798cd4aed050380dc9ecdd281e73cf218284280695539c07be29","first_computed_at":"2026-07-04T14:58:10.463124Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:58:10.463124Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8FS+C38Uv50pearrLuDsppM/34Cf4Kiv9P7W85WPi9bM7SctKyLLpp4jRj2gxk1yrJgNAgnTWaCXFj346kx8BA==","signature_status":"signed_v1","signed_at":"2026-07-04T14:58:10.463516Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0612649","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:58cbedc796e95081e9c94d3801c1dca19a99653b43b5015b17d62f1e037ab5e9","sha256:18064913ab0e903aa8d68f241b915212d75b114ef4a20b408de554fe387fe0e4"],"state_sha256":"84c96e59d3c4a20a05e0a457a017acb2428722a0fb6c9780e9dc37e01bb51769"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hq9zoy+Vf4H3NtACmAAWMeiPHED1kAn02yANCwFrRwcR1DDReWb+swfE6PsnhGJq2i2XGjh6B80iw7Yqo7cTCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T07:29:35.641884Z","bundle_sha256":"e97b79c9758cd8b7f2b8bf1781ff8c6ff1b968ed094f49c3b7b7b888e38af950"}}