{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:Q2REXGBT4XD3VCUZVK5V3OBFKG","short_pith_number":"pith:Q2REXGBT","canonical_record":{"source":{"id":"1410.2635","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-09T21:28:45Z","cross_cats_sorted":[],"title_canon_sha256":"196be5c1d4033a9c9d97a6fc3af12c1bcb096462738a431964f10548b2d302cd","abstract_canon_sha256":"d9befaf7c74df7c646e9096fadaba2096cad2bf28f289231064ee60dc58c7c06"},"schema_version":"1.0"},"canonical_sha256":"86a24b9833e5c7ba8a99aabb5db82551892de56fd8250347d9b8c9bb3c02a3f6","source":{"kind":"arxiv","id":"1410.2635","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.2635","created_at":"2026-05-18T01:41:49Z"},{"alias_kind":"arxiv_version","alias_value":"1410.2635v1","created_at":"2026-05-18T01:41:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.2635","created_at":"2026-05-18T01:41:49Z"},{"alias_kind":"pith_short_12","alias_value":"Q2REXGBT4XD3","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"Q2REXGBT4XD3VCUZ","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"Q2REXGBT","created_at":"2026-05-18T12:28:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:Q2REXGBT4XD3VCUZVK5V3OBFKG","target":"record","payload":{"canonical_record":{"source":{"id":"1410.2635","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-09T21:28:45Z","cross_cats_sorted":[],"title_canon_sha256":"196be5c1d4033a9c9d97a6fc3af12c1bcb096462738a431964f10548b2d302cd","abstract_canon_sha256":"d9befaf7c74df7c646e9096fadaba2096cad2bf28f289231064ee60dc58c7c06"},"schema_version":"1.0"},"canonical_sha256":"86a24b9833e5c7ba8a99aabb5db82551892de56fd8250347d9b8c9bb3c02a3f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:49.569244Z","signature_b64":"tDeRvUHSzG/rMO4JNpihsNX6WFuac85WtxpLcp+SwKLpz9NUlFwSF0QmQXtwFGsf6bxpfM6uTokX14v+5mKsCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"86a24b9833e5c7ba8a99aabb5db82551892de56fd8250347d9b8c9bb3c02a3f6","last_reissued_at":"2026-05-18T01:41:49.568631Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:49.568631Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.2635","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":"2026-05-18T01:41:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GrOLiPO1RblRYZRzVIb8B2e4sBi2XHv7ggN8VYA/G49oRx0dSyjrq1dgLmMejWC19q1VCuSjaMulzyLe++sODg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T07:52:08.341577Z"},"content_sha256":"acab121abf6e6a8b3fa60439c57cf0cf438b1a8cd74c092d3e8f8a9880669f62","schema_version":"1.0","event_id":"sha256:acab121abf6e6a8b3fa60439c57cf0cf438b1a8cd74c092d3e8f8a9880669f62"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:Q2REXGBT4XD3VCUZVK5V3OBFKG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"3D spectroscopy of Wolf-Rayet HII galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"C. Kehrig, D. Kunth, E. Perez-Montero, F. Durret, J. Brinchmann, J. Hernandez-Fernandez, J. Iglesias-Paramo, J.M. Vilchez","submitted_at":"2014-10-09T21:28:45Z","abstract_excerpt":"Wolf-Rayet (WR) HII galaxies are local metal-poor star-forming galaxies, observed when the most massive stars are evolving from O stars to WR stars, making them template systems to study distant starbursts. We have been performing a program to investigate the interplay between massive stars and gas in WR HII galaxies using IFS. Here, we highlight some results from the first 3D spectroscopic study of Mrk 178, the closest metal-poor WR HII galaxy, focusing on the origin of the nebular HeII emission and the aperture effects on the detection of WR features."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.2635","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":"2026-05-18T01:41:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T567PhKH4+VscJzUzyAZHgTEiY30b0zVKxFjWKhhfVQExHHi1OcEKT7jDhz2bAe/ZJQIVbNpQNVPqgfVNB9NCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T07:52:08.341906Z"},"content_sha256":"b2c48b1fd60d5e7b9997ebd0ff4585345de0734f072069c713ba247f9270b74a","schema_version":"1.0","event_id":"sha256:b2c48b1fd60d5e7b9997ebd0ff4585345de0734f072069c713ba247f9270b74a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q2REXGBT4XD3VCUZVK5V3OBFKG/bundle.json","state_url":"https://pith.science/pith/Q2REXGBT4XD3VCUZVK5V3OBFKG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q2REXGBT4XD3VCUZVK5V3OBFKG/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":"2026-06-02T07:52:08Z","links":{"resolver":"https://pith.science/pith/Q2REXGBT4XD3VCUZVK5V3OBFKG","bundle":"https://pith.science/pith/Q2REXGBT4XD3VCUZVK5V3OBFKG/bundle.json","state":"https://pith.science/pith/Q2REXGBT4XD3VCUZVK5V3OBFKG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q2REXGBT4XD3VCUZVK5V3OBFKG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:Q2REXGBT4XD3VCUZVK5V3OBFKG","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":"d9befaf7c74df7c646e9096fadaba2096cad2bf28f289231064ee60dc58c7c06","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-09T21:28:45Z","title_canon_sha256":"196be5c1d4033a9c9d97a6fc3af12c1bcb096462738a431964f10548b2d302cd"},"schema_version":"1.0","source":{"id":"1410.2635","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.2635","created_at":"2026-05-18T01:41:49Z"},{"alias_kind":"arxiv_version","alias_value":"1410.2635v1","created_at":"2026-05-18T01:41:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.2635","created_at":"2026-05-18T01:41:49Z"},{"alias_kind":"pith_short_12","alias_value":"Q2REXGBT4XD3","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"Q2REXGBT4XD3VCUZ","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"Q2REXGBT","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:b2c48b1fd60d5e7b9997ebd0ff4585345de0734f072069c713ba247f9270b74a","target":"graph","created_at":"2026-05-18T01:41:49Z","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":"Wolf-Rayet (WR) HII galaxies are local metal-poor star-forming galaxies, observed when the most massive stars are evolving from O stars to WR stars, making them template systems to study distant starbursts. We have been performing a program to investigate the interplay between massive stars and gas in WR HII galaxies using IFS. Here, we highlight some results from the first 3D spectroscopic study of Mrk 178, the closest metal-poor WR HII galaxy, focusing on the origin of the nebular HeII emission and the aperture effects on the detection of WR features.","authors_text":"C. Kehrig, D. Kunth, E. Perez-Montero, F. Durret, J. Brinchmann, J. Hernandez-Fernandez, J. Iglesias-Paramo, J.M. Vilchez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-09T21:28:45Z","title":"3D spectroscopy of Wolf-Rayet HII galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.2635","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:acab121abf6e6a8b3fa60439c57cf0cf438b1a8cd74c092d3e8f8a9880669f62","target":"record","created_at":"2026-05-18T01:41:49Z","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":"d9befaf7c74df7c646e9096fadaba2096cad2bf28f289231064ee60dc58c7c06","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-09T21:28:45Z","title_canon_sha256":"196be5c1d4033a9c9d97a6fc3af12c1bcb096462738a431964f10548b2d302cd"},"schema_version":"1.0","source":{"id":"1410.2635","kind":"arxiv","version":1}},"canonical_sha256":"86a24b9833e5c7ba8a99aabb5db82551892de56fd8250347d9b8c9bb3c02a3f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"86a24b9833e5c7ba8a99aabb5db82551892de56fd8250347d9b8c9bb3c02a3f6","first_computed_at":"2026-05-18T01:41:49.568631Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:49.568631Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tDeRvUHSzG/rMO4JNpihsNX6WFuac85WtxpLcp+SwKLpz9NUlFwSF0QmQXtwFGsf6bxpfM6uTokX14v+5mKsCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:49.569244Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.2635","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:acab121abf6e6a8b3fa60439c57cf0cf438b1a8cd74c092d3e8f8a9880669f62","sha256:b2c48b1fd60d5e7b9997ebd0ff4585345de0734f072069c713ba247f9270b74a"],"state_sha256":"3dde58951c00c417913e105bdca6cf129287d6eedff74af7e7716771a30e3131"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M6UT0ezQYKexgqpknJ7semH6F5CIVSjwofryOBWCd8cTP+/fhcHSk/RP9uiJHeM0VEtLZvrAnDZIib6+emaYDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T07:52:08.343675Z","bundle_sha256":"2d7878f7db9c9c636369d549942077ad734c6f7536fcd766bb1ac57e5a74b732"}}