{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:X4NNFAA2BUWP4GY7KABPWDCIOK","short_pith_number":"pith:X4NNFAA2","canonical_record":{"source":{"id":"2606.27782","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-06-26T07:12:38Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"7fc9bc8223ef8b3100ae539d69da8acdc25fe6e5920068c84fd1ef3ff0a04cbd","abstract_canon_sha256":"03e645fced6245020f3622671ab367c3fc0b59309a2f0afaabea49b691639f8a"},"schema_version":"1.0"},"canonical_sha256":"bf1ad2801a0d2cfe1b1f5002fb0c4872b4434979915fc6318c0347a75eb82a8c","source":{"kind":"arxiv","id":"2606.27782","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.27782","created_at":"2026-06-29T01:14:48Z"},{"alias_kind":"arxiv_version","alias_value":"2606.27782v1","created_at":"2026-06-29T01:14:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.27782","created_at":"2026-06-29T01:14:48Z"},{"alias_kind":"pith_short_12","alias_value":"X4NNFAA2BUWP","created_at":"2026-06-29T01:14:48Z"},{"alias_kind":"pith_short_16","alias_value":"X4NNFAA2BUWP4GY7","created_at":"2026-06-29T01:14:48Z"},{"alias_kind":"pith_short_8","alias_value":"X4NNFAA2","created_at":"2026-06-29T01:14:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:X4NNFAA2BUWP4GY7KABPWDCIOK","target":"record","payload":{"canonical_record":{"source":{"id":"2606.27782","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-06-26T07:12:38Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"7fc9bc8223ef8b3100ae539d69da8acdc25fe6e5920068c84fd1ef3ff0a04cbd","abstract_canon_sha256":"03e645fced6245020f3622671ab367c3fc0b59309a2f0afaabea49b691639f8a"},"schema_version":"1.0"},"canonical_sha256":"bf1ad2801a0d2cfe1b1f5002fb0c4872b4434979915fc6318c0347a75eb82a8c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-29T01:14:48.207964Z","signature_b64":"oYUR03CHdVCdq+zdG3gA1mAxr/PVsfxWi7BpF3R8u1T3kinAkPj+m11oTZa3unqEhv7/NdeLedp0fx+GfjKpDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf1ad2801a0d2cfe1b1f5002fb0c4872b4434979915fc6318c0347a75eb82a8c","last_reissued_at":"2026-06-29T01:14:48.207552Z","signature_status":"signed_v1","first_computed_at":"2026-06-29T01:14:48.207552Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.27782","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":"2026-06-29T01:14:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BZXEtIyglpUoC0D0jrMldWfONA8gCGuw7QIcIPay2hMYCoN3JT16iFlPyCT+qZ0+9avzzPY4Te2Pt2osd/4rDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:09:24.346548Z"},"content_sha256":"30d5208a5278652ec9137810581aa8ed4fb3a46b0d90065d38a5bf38b314ccd3","schema_version":"1.0","event_id":"sha256:30d5208a5278652ec9137810581aa8ed4fb3a46b0d90065d38a5bf38b314ccd3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:X4NNFAA2BUWP4GY7KABPWDCIOK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fe K{\\alpha} equivalent-width mapping with 3D radiative transfer calculation: A general model and application to the RS Canum Venaticorum-type stars with XRISM/Resolve","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Hiroyuki Uchida, Masahiro Tsujimoto, Miki Kurihara, Shun Inoue, Takayuki Hayashi, Teruaki Enoto, Yuta Notsu","submitted_at":"2026-06-26T07:12:38Z","abstract_excerpt":"The Fe K $\\alpha$ fluorescence line at 6.4 keV has long been used to probe the relative geometry between photoionizing X-ray sources and surrounding cold material in a wide range of astrophysical systems. With the advent of the X-ray microcalorimeter XRISM/Resolve, Fe K $\\alpha$ lines with equivalent widths down to $\\sim 5$ eV-previously inaccessible-are now detectable, and even non-detections can place upper limits of a few eV, making non-detections themselves valuable for constraining the geometry. Considering that Fe K $\\alpha$-based geometric diagnostics are entering a new stage in the mic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.27782","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/2606.27782/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":"2026-06-29T01:14:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/l3lRJdFRwDvTOgX3vobOqMBRVxj93vGF4cistS7ooF1/jO8H1QaD3u5ceA+EMQ4eVV5IxJ5NID/SI31gksfDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:09:24.347184Z"},"content_sha256":"27499c412b6bc1d5a305a88e45d0847a2f2fbae42e59766c69715c2e41d337c4","schema_version":"1.0","event_id":"sha256:27499c412b6bc1d5a305a88e45d0847a2f2fbae42e59766c69715c2e41d337c4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X4NNFAA2BUWP4GY7KABPWDCIOK/bundle.json","state_url":"https://pith.science/pith/X4NNFAA2BUWP4GY7KABPWDCIOK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X4NNFAA2BUWP4GY7KABPWDCIOK/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":"2026-07-07T05:09:24Z","links":{"resolver":"https://pith.science/pith/X4NNFAA2BUWP4GY7KABPWDCIOK","bundle":"https://pith.science/pith/X4NNFAA2BUWP4GY7KABPWDCIOK/bundle.json","state":"https://pith.science/pith/X4NNFAA2BUWP4GY7KABPWDCIOK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X4NNFAA2BUWP4GY7KABPWDCIOK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:X4NNFAA2BUWP4GY7KABPWDCIOK","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":"03e645fced6245020f3622671ab367c3fc0b59309a2f0afaabea49b691639f8a","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-06-26T07:12:38Z","title_canon_sha256":"7fc9bc8223ef8b3100ae539d69da8acdc25fe6e5920068c84fd1ef3ff0a04cbd"},"schema_version":"1.0","source":{"id":"2606.27782","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.27782","created_at":"2026-06-29T01:14:48Z"},{"alias_kind":"arxiv_version","alias_value":"2606.27782v1","created_at":"2026-06-29T01:14:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.27782","created_at":"2026-06-29T01:14:48Z"},{"alias_kind":"pith_short_12","alias_value":"X4NNFAA2BUWP","created_at":"2026-06-29T01:14:48Z"},{"alias_kind":"pith_short_16","alias_value":"X4NNFAA2BUWP4GY7","created_at":"2026-06-29T01:14:48Z"},{"alias_kind":"pith_short_8","alias_value":"X4NNFAA2","created_at":"2026-06-29T01:14:48Z"}],"graph_snapshots":[{"event_id":"sha256:27499c412b6bc1d5a305a88e45d0847a2f2fbae42e59766c69715c2e41d337c4","target":"graph","created_at":"2026-06-29T01:14:48Z","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/2606.27782/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Fe K $\\alpha$ fluorescence line at 6.4 keV has long been used to probe the relative geometry between photoionizing X-ray sources and surrounding cold material in a wide range of astrophysical systems. With the advent of the X-ray microcalorimeter XRISM/Resolve, Fe K $\\alpha$ lines with equivalent widths down to $\\sim 5$ eV-previously inaccessible-are now detectable, and even non-detections can place upper limits of a few eV, making non-detections themselves valuable for constraining the geometry. Considering that Fe K $\\alpha$-based geometric diagnostics are entering a new stage in the mic","authors_text":"Hiroyuki Uchida, Masahiro Tsujimoto, Miki Kurihara, Shun Inoue, Takayuki Hayashi, Teruaki Enoto, Yuta Notsu","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-06-26T07:12:38Z","title":"Fe K{\\alpha} equivalent-width mapping with 3D radiative transfer calculation: A general model and application to the RS Canum Venaticorum-type stars with XRISM/Resolve"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.27782","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":"sha256:30d5208a5278652ec9137810581aa8ed4fb3a46b0d90065d38a5bf38b314ccd3","target":"record","created_at":"2026-06-29T01:14:48Z","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":"03e645fced6245020f3622671ab367c3fc0b59309a2f0afaabea49b691639f8a","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-06-26T07:12:38Z","title_canon_sha256":"7fc9bc8223ef8b3100ae539d69da8acdc25fe6e5920068c84fd1ef3ff0a04cbd"},"schema_version":"1.0","source":{"id":"2606.27782","kind":"arxiv","version":1}},"canonical_sha256":"bf1ad2801a0d2cfe1b1f5002fb0c4872b4434979915fc6318c0347a75eb82a8c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bf1ad2801a0d2cfe1b1f5002fb0c4872b4434979915fc6318c0347a75eb82a8c","first_computed_at":"2026-06-29T01:14:48.207552Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-29T01:14:48.207552Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oYUR03CHdVCdq+zdG3gA1mAxr/PVsfxWi7BpF3R8u1T3kinAkPj+m11oTZa3unqEhv7/NdeLedp0fx+GfjKpDQ==","signature_status":"signed_v1","signed_at":"2026-06-29T01:14:48.207964Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.27782","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:30d5208a5278652ec9137810581aa8ed4fb3a46b0d90065d38a5bf38b314ccd3","sha256:27499c412b6bc1d5a305a88e45d0847a2f2fbae42e59766c69715c2e41d337c4"],"state_sha256":"9580038147db500899959fc623371ad276dc4b95145cda78716cbd893c0d109f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"33cdKvLqkaqB+A7UoOE+U6oD1WSkuA9iin9XKlH566kXwtbV51D/a2cWjZGU6FCAdAwKINxZIPw5j+43ebiyAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T05:09:24.350330Z","bundle_sha256":"f1cc9dd6eb694375bdd30b68f7fa59f15fda182abafda826e1eb214fdad9309b"}}