{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:AAHFHZLJ7ZNHID2TF2DN7DYNXW","short_pith_number":"pith:AAHFHZLJ","canonical_record":{"source":{"id":"1504.02724","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-04-10T16:03:09Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"37be6f9514f591e150f034948404912845afbed6071430114ad49e7c4d7c4233","abstract_canon_sha256":"2b080eedc4266297cdbdc8fe51fd55439ef72b454eb51e36ab7a11d0ad9e2b6e"},"schema_version":"1.0"},"canonical_sha256":"000e53e569fe5a740f532e86df8f0dbd83528963b8653f20735589462c89fe4d","source":{"kind":"arxiv","id":"1504.02724","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.02724","created_at":"2026-05-18T01:59:34Z"},{"alias_kind":"arxiv_version","alias_value":"1504.02724v1","created_at":"2026-05-18T01:59:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.02724","created_at":"2026-05-18T01:59:34Z"},{"alias_kind":"pith_short_12","alias_value":"AAHFHZLJ7ZNH","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"AAHFHZLJ7ZNHID2T","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"AAHFHZLJ","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:AAHFHZLJ7ZNHID2TF2DN7DYNXW","target":"record","payload":{"canonical_record":{"source":{"id":"1504.02724","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-04-10T16:03:09Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"37be6f9514f591e150f034948404912845afbed6071430114ad49e7c4d7c4233","abstract_canon_sha256":"2b080eedc4266297cdbdc8fe51fd55439ef72b454eb51e36ab7a11d0ad9e2b6e"},"schema_version":"1.0"},"canonical_sha256":"000e53e569fe5a740f532e86df8f0dbd83528963b8653f20735589462c89fe4d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:34.869669Z","signature_b64":"aE7PHnYFCqFRfKjVdtALo4dtt9ekfBcovs87vwhr+VHxgbhFOP6JNuj3DihP/rawtUnJ7PtWnOdq1qsfztagBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"000e53e569fe5a740f532e86df8f0dbd83528963b8653f20735589462c89fe4d","last_reissued_at":"2026-05-18T01:59:34.869084Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:34.869084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.02724","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":"2026-05-18T01:59:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OVqmItQ6f2cRdInr66j96RNXuN8Fd7NlBeZLlklM2WgwKgZwx5sO7Cs8SXKuze545apfcqs9gOOFk4SlaoHiCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:43:42.248797Z"},"content_sha256":"0430fa113cf8701b716d299b6a550332a1db91147532731f30041c9d10a17ab8","schema_version":"1.0","event_id":"sha256:0430fa113cf8701b716d299b6a550332a1db91147532731f30041c9d10a17ab8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:AAHFHZLJ7ZNHID2TF2DN7DYNXW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Understanding the two-dimensional ionization structure in luminous infrared galaxies. A near-IR integral field spectroscopy perspective","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Alberto Rodriguez-Ardila, Almudena Alonso-Herrero, Dinalva Sales, Javier Piqueras L\\'opez, Luis Colina, Miriani Pastoriza, Rogemar A. Riffel, Rogerio Riffel, Santiago Arribas, Thaisa Storchi-Bergmann","submitted_at":"2015-04-10T16:03:09Z","abstract_excerpt":"We investigate the 2D excitation structure of the ISM in a sample of LIRGs and Seyferts using near-IR IFS. This study extends to the near-IR the well-known optical and mid-IR emission line diagnostics used to classify activity in galaxies. Based on the spatially resolved spectroscopy of prototypes, we identify in the [FeII]1.64/Br$\\gamma$ - H_2 1-0S(1)/Br$\\gamma$ plane regions dominated by the different heating sources, i.e. AGNs, young MS massive stars, and evolved stars i.e. supernovae. The ISM in LIRGs occupy a wide region in the near-IR diagnostic plane from -0.6 to +1.5 and from -1.2 to +"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.02724","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":"2026-05-18T01:59:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xjGOAYrKz9XL1zKVPPS7WLuD/qgS0+7FzwDZeYUAg+QZXf09Sx3l64Z5hv4i/HrPbfawPRbuZqU3jM8GLWnkCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:43:42.249137Z"},"content_sha256":"4fa02600f29aa93010abfaaebb7591c235790a40fe45a9a5c378bc69e3c1fb4c","schema_version":"1.0","event_id":"sha256:4fa02600f29aa93010abfaaebb7591c235790a40fe45a9a5c378bc69e3c1fb4c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AAHFHZLJ7ZNHID2TF2DN7DYNXW/bundle.json","state_url":"https://pith.science/pith/AAHFHZLJ7ZNHID2TF2DN7DYNXW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AAHFHZLJ7ZNHID2TF2DN7DYNXW/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":"2026-06-03T19:43:42Z","links":{"resolver":"https://pith.science/pith/AAHFHZLJ7ZNHID2TF2DN7DYNXW","bundle":"https://pith.science/pith/AAHFHZLJ7ZNHID2TF2DN7DYNXW/bundle.json","state":"https://pith.science/pith/AAHFHZLJ7ZNHID2TF2DN7DYNXW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AAHFHZLJ7ZNHID2TF2DN7DYNXW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:AAHFHZLJ7ZNHID2TF2DN7DYNXW","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":"2b080eedc4266297cdbdc8fe51fd55439ef72b454eb51e36ab7a11d0ad9e2b6e","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-04-10T16:03:09Z","title_canon_sha256":"37be6f9514f591e150f034948404912845afbed6071430114ad49e7c4d7c4233"},"schema_version":"1.0","source":{"id":"1504.02724","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.02724","created_at":"2026-05-18T01:59:34Z"},{"alias_kind":"arxiv_version","alias_value":"1504.02724v1","created_at":"2026-05-18T01:59:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.02724","created_at":"2026-05-18T01:59:34Z"},{"alias_kind":"pith_short_12","alias_value":"AAHFHZLJ7ZNH","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"AAHFHZLJ7ZNHID2T","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"AAHFHZLJ","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:4fa02600f29aa93010abfaaebb7591c235790a40fe45a9a5c378bc69e3c1fb4c","target":"graph","created_at":"2026-05-18T01:59:34Z","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":"We investigate the 2D excitation structure of the ISM in a sample of LIRGs and Seyferts using near-IR IFS. This study extends to the near-IR the well-known optical and mid-IR emission line diagnostics used to classify activity in galaxies. Based on the spatially resolved spectroscopy of prototypes, we identify in the [FeII]1.64/Br$\\gamma$ - H_2 1-0S(1)/Br$\\gamma$ plane regions dominated by the different heating sources, i.e. AGNs, young MS massive stars, and evolved stars i.e. supernovae. The ISM in LIRGs occupy a wide region in the near-IR diagnostic plane from -0.6 to +1.5 and from -1.2 to +","authors_text":"Alberto Rodriguez-Ardila, Almudena Alonso-Herrero, Dinalva Sales, Javier Piqueras L\\'opez, Luis Colina, Miriani Pastoriza, Rogemar A. Riffel, Rogerio Riffel, Santiago Arribas, Thaisa Storchi-Bergmann","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-04-10T16:03:09Z","title":"Understanding the two-dimensional ionization structure in luminous infrared galaxies. A near-IR integral field spectroscopy perspective"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.02724","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":"sha256:0430fa113cf8701b716d299b6a550332a1db91147532731f30041c9d10a17ab8","target":"record","created_at":"2026-05-18T01:59:34Z","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":"2b080eedc4266297cdbdc8fe51fd55439ef72b454eb51e36ab7a11d0ad9e2b6e","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-04-10T16:03:09Z","title_canon_sha256":"37be6f9514f591e150f034948404912845afbed6071430114ad49e7c4d7c4233"},"schema_version":"1.0","source":{"id":"1504.02724","kind":"arxiv","version":1}},"canonical_sha256":"000e53e569fe5a740f532e86df8f0dbd83528963b8653f20735589462c89fe4d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"000e53e569fe5a740f532e86df8f0dbd83528963b8653f20735589462c89fe4d","first_computed_at":"2026-05-18T01:59:34.869084Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:34.869084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aE7PHnYFCqFRfKjVdtALo4dtt9ekfBcovs87vwhr+VHxgbhFOP6JNuj3DihP/rawtUnJ7PtWnOdq1qsfztagBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:34.869669Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.02724","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0430fa113cf8701b716d299b6a550332a1db91147532731f30041c9d10a17ab8","sha256:4fa02600f29aa93010abfaaebb7591c235790a40fe45a9a5c378bc69e3c1fb4c"],"state_sha256":"940acc7826cb49a2f6a71921c6c85874f4f1fd3f3f3956a0ce78c86aef6c0817"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vd8r64ZhDeEZJDGYYPClay48c5oPHblwaKcfzY/94in8xoeetybKy2YwOKMrXV2pCoVvkuv0E8VqsinDulxyBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T19:43:42.251057Z","bundle_sha256":"8f75ef8db5a230a036bf094f523e03c7b1c4be271a413347f97db1cb20cbda3d"}}