{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:UBV2KU4E37QCLHJE262LDDIWRK","short_pith_number":"pith:UBV2KU4E","canonical_record":{"source":{"id":"2201.12339","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-01-28T18:59:59Z","cross_cats_sorted":[],"title_canon_sha256":"46649a05ab4400e57d72420c24684f7ffa482cc309c27f98a8124078389eb7e7","abstract_canon_sha256":"e0756ac1f14d4f82f73b960388e3f6490fc1c7937f984c9f4be4775f250f69d3"},"schema_version":"1.0"},"canonical_sha256":"a06ba55384dfe0259d24d7b4b18d168aa2e2787c0fdbb9a3a44b120dda37c185","source":{"kind":"arxiv","id":"2201.12339","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.12339","created_at":"2026-07-05T04:09:46Z"},{"alias_kind":"arxiv_version","alias_value":"2201.12339v1","created_at":"2026-07-05T04:09:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.12339","created_at":"2026-07-05T04:09:46Z"},{"alias_kind":"pith_short_12","alias_value":"UBV2KU4E37QC","created_at":"2026-07-05T04:09:46Z"},{"alias_kind":"pith_short_16","alias_value":"UBV2KU4E37QCLHJE","created_at":"2026-07-05T04:09:46Z"},{"alias_kind":"pith_short_8","alias_value":"UBV2KU4E","created_at":"2026-07-05T04:09:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:UBV2KU4E37QCLHJE262LDDIWRK","target":"record","payload":{"canonical_record":{"source":{"id":"2201.12339","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-01-28T18:59:59Z","cross_cats_sorted":[],"title_canon_sha256":"46649a05ab4400e57d72420c24684f7ffa482cc309c27f98a8124078389eb7e7","abstract_canon_sha256":"e0756ac1f14d4f82f73b960388e3f6490fc1c7937f984c9f4be4775f250f69d3"},"schema_version":"1.0"},"canonical_sha256":"a06ba55384dfe0259d24d7b4b18d168aa2e2787c0fdbb9a3a44b120dda37c185","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:09:46.196834Z","signature_b64":"5p6kIpJr+SWku92ecA7mxfpr7DgDMzFSvGEf6PIpdcqLuw8GyrvYyi+CSNgJXEZ71nJ+WQ8vAZaZP8H8D6BWBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a06ba55384dfe0259d24d7b4b18d168aa2e2787c0fdbb9a3a44b120dda37c185","last_reissued_at":"2026-07-05T04:09:46.196360Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:09:46.196360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2201.12339","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":"2026-07-05T04:09:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GXMKrwVe+cQHjyQcSPy1wwJu17sGlazx2v4Qc9ZrUjTDuCg3gfVK64YkWVNRIrgyeVlYfvxA9A59qKxwJDZ0Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T05:10:24.272442Z"},"content_sha256":"2035221472c5a8838d0e257340187f0c7dd4c8e9392ee2dbe30b3c90460180bb","schema_version":"1.0","event_id":"sha256:2035221472c5a8838d0e257340187f0c7dd4c8e9392ee2dbe30b3c90460180bb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:UBV2KU4E37QCLHJE262LDDIWRK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"X-ray emission from star cluster winds in starburst galaxies","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"(2) CONACYT-Instituto Nacional de Astrof\\'isica, 3), (3) University of Southampton, (4) Universit\\\"at zu K\\\"oln, 5), (5) Nicolaus Copernicus University, (6) CONICET-UBA), Annika Franeck (1), Dorottya Sz\\'ecsi (4, Ivana Orlitov\\'a (1), Ji\\v{r}\\'i Svoboda (1), Peter Boorman (1, Richard W\\\"unsch (1), Sergio Mart\\'inez-Gonz\\'alez (2), Vanesa Douna (6) ((1) Astronomical Institute of the Czech Academy of Sciences","submitted_at":"2022-01-28T18:59:59Z","abstract_excerpt":"Inspired by the excess soft X-ray emission recently detected in Green Pea galaxies, we model the soft X-ray emission (0.5 - 2.0 keV) of hot gas from star cluster winds. By combining individual star clusters, we estimate the soft X-ray emission expected from the typically unresolved diffuse hot gas in starburst galaxies, devoid of competing emission from e.g., AGN or other unresolved point sources. We use stellar models of sub-solar metallicities (0.02 $Z_{\\odot}$ and 0.4 $Z_{\\odot}$), and take into account supernova explosions for massive stars. For lower metallicities, we find that stellar wi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.12339","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/2201.12339/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":"2026-07-05T04:09:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rmVOKJPiuUolKrGQ1CfKycnc40dlpinsOnrq9Qnfc2yiov5itGxotiZKRF4Qbw6Iq1jcjh2g66nZxd8ZnY8qAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T05:10:24.272826Z"},"content_sha256":"571e0affd637567f33bc98944601858236513ead9623f592b9ddc48480313015","schema_version":"1.0","event_id":"sha256:571e0affd637567f33bc98944601858236513ead9623f592b9ddc48480313015"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UBV2KU4E37QCLHJE262LDDIWRK/bundle.json","state_url":"https://pith.science/pith/UBV2KU4E37QCLHJE262LDDIWRK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UBV2KU4E37QCLHJE262LDDIWRK/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":"2026-07-18T05:10:24Z","links":{"resolver":"https://pith.science/pith/UBV2KU4E37QCLHJE262LDDIWRK","bundle":"https://pith.science/pith/UBV2KU4E37QCLHJE262LDDIWRK/bundle.json","state":"https://pith.science/pith/UBV2KU4E37QCLHJE262LDDIWRK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UBV2KU4E37QCLHJE262LDDIWRK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:UBV2KU4E37QCLHJE262LDDIWRK","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":"e0756ac1f14d4f82f73b960388e3f6490fc1c7937f984c9f4be4775f250f69d3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-01-28T18:59:59Z","title_canon_sha256":"46649a05ab4400e57d72420c24684f7ffa482cc309c27f98a8124078389eb7e7"},"schema_version":"1.0","source":{"id":"2201.12339","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.12339","created_at":"2026-07-05T04:09:46Z"},{"alias_kind":"arxiv_version","alias_value":"2201.12339v1","created_at":"2026-07-05T04:09:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.12339","created_at":"2026-07-05T04:09:46Z"},{"alias_kind":"pith_short_12","alias_value":"UBV2KU4E37QC","created_at":"2026-07-05T04:09:46Z"},{"alias_kind":"pith_short_16","alias_value":"UBV2KU4E37QCLHJE","created_at":"2026-07-05T04:09:46Z"},{"alias_kind":"pith_short_8","alias_value":"UBV2KU4E","created_at":"2026-07-05T04:09:46Z"}],"graph_snapshots":[{"event_id":"sha256:571e0affd637567f33bc98944601858236513ead9623f592b9ddc48480313015","target":"graph","created_at":"2026-07-05T04:09:46Z","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/2201.12339/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Inspired by the excess soft X-ray emission recently detected in Green Pea galaxies, we model the soft X-ray emission (0.5 - 2.0 keV) of hot gas from star cluster winds. By combining individual star clusters, we estimate the soft X-ray emission expected from the typically unresolved diffuse hot gas in starburst galaxies, devoid of competing emission from e.g., AGN or other unresolved point sources. We use stellar models of sub-solar metallicities (0.02 $Z_{\\odot}$ and 0.4 $Z_{\\odot}$), and take into account supernova explosions for massive stars. For lower metallicities, we find that stellar wi","authors_text":"(2) CONACYT-Instituto Nacional de Astrof\\'isica, 3), (3) University of Southampton, (4) Universit\\\"at zu K\\\"oln, 5), (5) Nicolaus Copernicus University, (6) CONICET-UBA), Annika Franeck (1), Dorottya Sz\\'ecsi (4, Ivana Orlitov\\'a (1), Ji\\v{r}\\'i Svoboda (1), Peter Boorman (1, Richard W\\\"unsch (1), Sergio Mart\\'inez-Gonz\\'alez (2), Vanesa Douna (6) ((1) Astronomical Institute of the Czech Academy of Sciences","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-01-28T18:59:59Z","title":"X-ray emission from star cluster winds in starburst galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.12339","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":"sha256:2035221472c5a8838d0e257340187f0c7dd4c8e9392ee2dbe30b3c90460180bb","target":"record","created_at":"2026-07-05T04:09:46Z","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":"e0756ac1f14d4f82f73b960388e3f6490fc1c7937f984c9f4be4775f250f69d3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-01-28T18:59:59Z","title_canon_sha256":"46649a05ab4400e57d72420c24684f7ffa482cc309c27f98a8124078389eb7e7"},"schema_version":"1.0","source":{"id":"2201.12339","kind":"arxiv","version":1}},"canonical_sha256":"a06ba55384dfe0259d24d7b4b18d168aa2e2787c0fdbb9a3a44b120dda37c185","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a06ba55384dfe0259d24d7b4b18d168aa2e2787c0fdbb9a3a44b120dda37c185","first_computed_at":"2026-07-05T04:09:46.196360Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:09:46.196360Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5p6kIpJr+SWku92ecA7mxfpr7DgDMzFSvGEf6PIpdcqLuw8GyrvYyi+CSNgJXEZ71nJ+WQ8vAZaZP8H8D6BWBg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:09:46.196834Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.12339","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2035221472c5a8838d0e257340187f0c7dd4c8e9392ee2dbe30b3c90460180bb","sha256:571e0affd637567f33bc98944601858236513ead9623f592b9ddc48480313015"],"state_sha256":"d5d0ae91869327c46ebd2a87cfede3d127f4b87b5fd1f9f8e785ad10f0a7a853"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VPnMxAO8Q2zUInTt5/FJBuKFaxjHU78JiqWdsqj+KfMBEr3v1Bk/EH7d47hyTXdKLwm5oh2ii7mDDuClDooQCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-18T05:10:24.275130Z","bundle_sha256":"75f26aba5aecbe36b3c2a2394a7142634de8c9f01b7bc9af77bf55b39a78648e"}}