{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:QFAQACYO66VIBRNM5C4FSGOB54","short_pith_number":"pith:QFAQACYO","canonical_record":{"source":{"id":"astro-ph/0607297","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-07-13T13:23:02Z","cross_cats_sorted":[],"title_canon_sha256":"62a372636c33d7c1b4d95de47cf8c009b2829eef720db70abf35099dbaffb0d7","abstract_canon_sha256":"0be0e1e4f2d002805205d76c3498e606dfae69cbc1480737e4efac4144fb974d"},"schema_version":"1.0"},"canonical_sha256":"8141000b0ef7aa80c5ace8b85919c1ef3d732c5f86277f02c049330f47d74be1","source":{"kind":"arxiv","id":"astro-ph/0607297","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0607297","created_at":"2026-07-04T14:55:19Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0607297v1","created_at":"2026-07-04T14:55:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0607297","created_at":"2026-07-04T14:55:19Z"},{"alias_kind":"pith_short_12","alias_value":"QFAQACYO66VI","created_at":"2026-07-04T14:55:19Z"},{"alias_kind":"pith_short_16","alias_value":"QFAQACYO66VIBRNM","created_at":"2026-07-04T14:55:19Z"},{"alias_kind":"pith_short_8","alias_value":"QFAQACYO","created_at":"2026-07-04T14:55:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:QFAQACYO66VIBRNM5C4FSGOB54","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0607297","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-07-13T13:23:02Z","cross_cats_sorted":[],"title_canon_sha256":"62a372636c33d7c1b4d95de47cf8c009b2829eef720db70abf35099dbaffb0d7","abstract_canon_sha256":"0be0e1e4f2d002805205d76c3498e606dfae69cbc1480737e4efac4144fb974d"},"schema_version":"1.0"},"canonical_sha256":"8141000b0ef7aa80c5ace8b85919c1ef3d732c5f86277f02c049330f47d74be1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:55:19.561252Z","signature_b64":"doA1dDYfCTc9SNS/cZVyz8WhLC7nomHKdLWkKHapty1LwlLOfwbDsm1h4MkegXnRW3fzvHymO9hgV/DKaCEBBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8141000b0ef7aa80c5ace8b85919c1ef3d732c5f86277f02c049330f47d74be1","last_reissued_at":"2026-07-04T14:55:19.560897Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:55:19.560897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0607297","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":"2026-07-04T14:55:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bWCL9MG+L4L+YI6Gj4i5mCyfIKsF986JUlMGxLt7worM6QJAbiTNWKishwD3c2PMukjJMBR9ru9ZX0DYv+iUCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T09:13:37.364549Z"},"content_sha256":"13b20d916530733d9ae81cb1073765f4a24b8e0f864f45f558c448a87bbeb7d7","schema_version":"1.0","event_id":"sha256:13b20d916530733d9ae81cb1073765f4a24b8e0f864f45f558c448a87bbeb7d7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:QFAQACYO66VIBRNM5C4FSGOB54","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mid-Infrared Spectroscopic Diagnostics of Galactic Nuclei","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"the Spitzer/IRS Instrument Team, Vassilis Charmandaris","submitted_at":"2006-07-13T13:23:02Z","abstract_excerpt":"In this paper I summarize the science motivations, as well as a few mid-infrared spectroscopic methods used to identify the principal mechanisms of energy production in dust enshrouded galactic nuclei. The development of the various techniques is briefly discussed. Emphasis is given to the use of the data which are becoming available with the infrared spectrograph (IRS) on Spitzer, as well as the results which have been obtained by IRS over the past two years."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0607297","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/0607297/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":"2026-07-04T14:55:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lISYzvBFWeyJbcu59GOQ47XrNn5f4swTI3uGY/BNgrLLQ39LwY7q4VdeHFmrx8dNuiPjhty3W3F/MtXfrO7DAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T09:13:37.364927Z"},"content_sha256":"cd24185b7d1821ed9281c7bd03be1475d901e7d62dcb13b178807e55a476ea6b","schema_version":"1.0","event_id":"sha256:cd24185b7d1821ed9281c7bd03be1475d901e7d62dcb13b178807e55a476ea6b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QFAQACYO66VIBRNM5C4FSGOB54/bundle.json","state_url":"https://pith.science/pith/QFAQACYO66VIBRNM5C4FSGOB54/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QFAQACYO66VIBRNM5C4FSGOB54/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":"2026-07-05T09:13:37Z","links":{"resolver":"https://pith.science/pith/QFAQACYO66VIBRNM5C4FSGOB54","bundle":"https://pith.science/pith/QFAQACYO66VIBRNM5C4FSGOB54/bundle.json","state":"https://pith.science/pith/QFAQACYO66VIBRNM5C4FSGOB54/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QFAQACYO66VIBRNM5C4FSGOB54/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:QFAQACYO66VIBRNM5C4FSGOB54","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":"0be0e1e4f2d002805205d76c3498e606dfae69cbc1480737e4efac4144fb974d","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-07-13T13:23:02Z","title_canon_sha256":"62a372636c33d7c1b4d95de47cf8c009b2829eef720db70abf35099dbaffb0d7"},"schema_version":"1.0","source":{"id":"astro-ph/0607297","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0607297","created_at":"2026-07-04T14:55:19Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0607297v1","created_at":"2026-07-04T14:55:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0607297","created_at":"2026-07-04T14:55:19Z"},{"alias_kind":"pith_short_12","alias_value":"QFAQACYO66VI","created_at":"2026-07-04T14:55:19Z"},{"alias_kind":"pith_short_16","alias_value":"QFAQACYO66VIBRNM","created_at":"2026-07-04T14:55:19Z"},{"alias_kind":"pith_short_8","alias_value":"QFAQACYO","created_at":"2026-07-04T14:55:19Z"}],"graph_snapshots":[{"event_id":"sha256:cd24185b7d1821ed9281c7bd03be1475d901e7d62dcb13b178807e55a476ea6b","target":"graph","created_at":"2026-07-04T14:55:19Z","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/0607297/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper I summarize the science motivations, as well as a few mid-infrared spectroscopic methods used to identify the principal mechanisms of energy production in dust enshrouded galactic nuclei. The development of the various techniques is briefly discussed. Emphasis is given to the use of the data which are becoming available with the infrared spectrograph (IRS) on Spitzer, as well as the results which have been obtained by IRS over the past two years.","authors_text":"the Spitzer/IRS Instrument Team, Vassilis Charmandaris","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-07-13T13:23:02Z","title":"Mid-Infrared Spectroscopic Diagnostics of Galactic Nuclei"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0607297","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":"sha256:13b20d916530733d9ae81cb1073765f4a24b8e0f864f45f558c448a87bbeb7d7","target":"record","created_at":"2026-07-04T14:55:19Z","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":"0be0e1e4f2d002805205d76c3498e606dfae69cbc1480737e4efac4144fb974d","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-07-13T13:23:02Z","title_canon_sha256":"62a372636c33d7c1b4d95de47cf8c009b2829eef720db70abf35099dbaffb0d7"},"schema_version":"1.0","source":{"id":"astro-ph/0607297","kind":"arxiv","version":1}},"canonical_sha256":"8141000b0ef7aa80c5ace8b85919c1ef3d732c5f86277f02c049330f47d74be1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8141000b0ef7aa80c5ace8b85919c1ef3d732c5f86277f02c049330f47d74be1","first_computed_at":"2026-07-04T14:55:19.560897Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:55:19.560897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"doA1dDYfCTc9SNS/cZVyz8WhLC7nomHKdLWkKHapty1LwlLOfwbDsm1h4MkegXnRW3fzvHymO9hgV/DKaCEBBg==","signature_status":"signed_v1","signed_at":"2026-07-04T14:55:19.561252Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0607297","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:13b20d916530733d9ae81cb1073765f4a24b8e0f864f45f558c448a87bbeb7d7","sha256:cd24185b7d1821ed9281c7bd03be1475d901e7d62dcb13b178807e55a476ea6b"],"state_sha256":"c720c99aa052b26f75effde01f399f6f753df7d2eff8f5a3f3ed862309c8c697"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VMgkFwb6CLYYLZCfeI6LfXOehNlkCPS7OqdouM8DsaH9kowchb9EoA1mqchmPQjHxFbNSsOrchDjpsIQwBhlBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T09:13:37.367038Z","bundle_sha256":"8bb089ab744a7210d763d0054ab0c8f2d31ca3349d382219b98f5ee0b0cb4021"}}