{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:T6JOABU7KUFVLBF75T6N32FXHH","short_pith_number":"pith:T6JOABU7","canonical_record":{"source":{"id":"1812.07000","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-12-17T19:03:59Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"92a82706a60477d4307ee915b9f02c6a05b804065504ff3c8ed2ad5a8c40be3d","abstract_canon_sha256":"a1559018478cb679ced949f52998029e0395a8055b11e0a00c0df3f15c0605b2"},"schema_version":"1.0"},"canonical_sha256":"9f92e0069f550b5584bfecfcdde8b739c5102bce856f91974e4571c3187ab548","source":{"kind":"arxiv","id":"1812.07000","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.07000","created_at":"2026-05-17T23:49:39Z"},{"alias_kind":"arxiv_version","alias_value":"1812.07000v1","created_at":"2026-05-17T23:49:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.07000","created_at":"2026-05-17T23:49:39Z"},{"alias_kind":"pith_short_12","alias_value":"T6JOABU7KUFV","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"T6JOABU7KUFVLBF7","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"T6JOABU7","created_at":"2026-05-18T12:32:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:T6JOABU7KUFVLBF75T6N32FXHH","target":"record","payload":{"canonical_record":{"source":{"id":"1812.07000","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-12-17T19:03:59Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"92a82706a60477d4307ee915b9f02c6a05b804065504ff3c8ed2ad5a8c40be3d","abstract_canon_sha256":"a1559018478cb679ced949f52998029e0395a8055b11e0a00c0df3f15c0605b2"},"schema_version":"1.0"},"canonical_sha256":"9f92e0069f550b5584bfecfcdde8b739c5102bce856f91974e4571c3187ab548","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:39.999674Z","signature_b64":"mtaZPmQeR+j3tB9Mmg0RZiaC4UR4Coy0DvvSlUrfeq8Te90JOCjsn+E0rRP6EN+axQfLryQKYGPx6swHNxpfAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f92e0069f550b5584bfecfcdde8b739c5102bce856f91974e4571c3187ab548","last_reissued_at":"2026-05-17T23:49:39.999023Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:39.999023Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.07000","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":"2026-05-17T23:49:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BJLHspV7SNwS/etd2BX6c2+jFC43ozpDDK3O268nlsmtMGBWXYxzq2pZIaE4p9UX2mmOnbG0xjDH1fWH7lqwDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:31:39.591608Z"},"content_sha256":"030dc88eef942aa9e6281c5d67d128832fbc5725e9db132ebcf28c7f7cb98a22","schema_version":"1.0","event_id":"sha256:030dc88eef942aa9e6281c5d67d128832fbc5725e9db132ebcf28c7f7cb98a22"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:T6JOABU7KUFVLBF75T6N32FXHH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Structure Formation and Exotic Compact Objects in a Dissipative Dark Sector","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"hep-ph","authors_text":"Chris Kouvaris, Daniel Egana-Ugrinovic, Jae Hyeok Chang, Rouven Essig","submitted_at":"2018-12-17T19:03:59Z","abstract_excerpt":"We present the complete history of structure formation in a simple dissipative dark-sector model. The model has only two particles: a dark electron, which is a subdominant component of dark matter, and a dark photon. Dark-electron perturbations grow from primordial overdensities, become non-linear, and form dense dark galaxies. Bremsstrahlung cooling leads to fragmentation of the dark-electron halos into clumps that vary in size from a few to millions of solar masses, depending on the particle model parameters. In particular, we show that asymmetric dark stars and black holes form within the M"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.07000","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":"2026-05-17T23:49:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zLiFnScDxDwlTZGiMu9+KdOu57gpnI4lEnyXWDA89cecfAfnL86P3WiTstDoKP50js1Wxzm7kmWSAfdKkIaBDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:31:39.592297Z"},"content_sha256":"a656be5258a988f218c57aeb4e866ad316b6f2eb26b15d28a42a730dc77299f2","schema_version":"1.0","event_id":"sha256:a656be5258a988f218c57aeb4e866ad316b6f2eb26b15d28a42a730dc77299f2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T6JOABU7KUFVLBF75T6N32FXHH/bundle.json","state_url":"https://pith.science/pith/T6JOABU7KUFVLBF75T6N32FXHH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T6JOABU7KUFVLBF75T6N32FXHH/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":"2026-05-25T22:31:39Z","links":{"resolver":"https://pith.science/pith/T6JOABU7KUFVLBF75T6N32FXHH","bundle":"https://pith.science/pith/T6JOABU7KUFVLBF75T6N32FXHH/bundle.json","state":"https://pith.science/pith/T6JOABU7KUFVLBF75T6N32FXHH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T6JOABU7KUFVLBF75T6N32FXHH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:T6JOABU7KUFVLBF75T6N32FXHH","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":"a1559018478cb679ced949f52998029e0395a8055b11e0a00c0df3f15c0605b2","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-12-17T19:03:59Z","title_canon_sha256":"92a82706a60477d4307ee915b9f02c6a05b804065504ff3c8ed2ad5a8c40be3d"},"schema_version":"1.0","source":{"id":"1812.07000","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.07000","created_at":"2026-05-17T23:49:39Z"},{"alias_kind":"arxiv_version","alias_value":"1812.07000v1","created_at":"2026-05-17T23:49:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.07000","created_at":"2026-05-17T23:49:39Z"},{"alias_kind":"pith_short_12","alias_value":"T6JOABU7KUFV","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"T6JOABU7KUFVLBF7","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"T6JOABU7","created_at":"2026-05-18T12:32:53Z"}],"graph_snapshots":[{"event_id":"sha256:a656be5258a988f218c57aeb4e866ad316b6f2eb26b15d28a42a730dc77299f2","target":"graph","created_at":"2026-05-17T23:49:39Z","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 present the complete history of structure formation in a simple dissipative dark-sector model. The model has only two particles: a dark electron, which is a subdominant component of dark matter, and a dark photon. Dark-electron perturbations grow from primordial overdensities, become non-linear, and form dense dark galaxies. Bremsstrahlung cooling leads to fragmentation of the dark-electron halos into clumps that vary in size from a few to millions of solar masses, depending on the particle model parameters. In particular, we show that asymmetric dark stars and black holes form within the M","authors_text":"Chris Kouvaris, Daniel Egana-Ugrinovic, Jae Hyeok Chang, Rouven Essig","cross_cats":["astro-ph.GA","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-12-17T19:03:59Z","title":"Structure Formation and Exotic Compact Objects in a Dissipative Dark Sector"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.07000","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":"sha256:030dc88eef942aa9e6281c5d67d128832fbc5725e9db132ebcf28c7f7cb98a22","target":"record","created_at":"2026-05-17T23:49:39Z","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":"a1559018478cb679ced949f52998029e0395a8055b11e0a00c0df3f15c0605b2","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-12-17T19:03:59Z","title_canon_sha256":"92a82706a60477d4307ee915b9f02c6a05b804065504ff3c8ed2ad5a8c40be3d"},"schema_version":"1.0","source":{"id":"1812.07000","kind":"arxiv","version":1}},"canonical_sha256":"9f92e0069f550b5584bfecfcdde8b739c5102bce856f91974e4571c3187ab548","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f92e0069f550b5584bfecfcdde8b739c5102bce856f91974e4571c3187ab548","first_computed_at":"2026-05-17T23:49:39.999023Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:39.999023Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mtaZPmQeR+j3tB9Mmg0RZiaC4UR4Coy0DvvSlUrfeq8Te90JOCjsn+E0rRP6EN+axQfLryQKYGPx6swHNxpfAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:39.999674Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.07000","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:030dc88eef942aa9e6281c5d67d128832fbc5725e9db132ebcf28c7f7cb98a22","sha256:a656be5258a988f218c57aeb4e866ad316b6f2eb26b15d28a42a730dc77299f2"],"state_sha256":"2c5f76227651d5d0e809b2247b3e968a56133456faff023a4a1eddd7e9c81418"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oRlJ0ZigvSjS2Q7vEbbqSzUR6bdbakz3JSF1vGX5ZOb17BQw+AA9S8VBTOluVEZxJiwcztAerW0u9OluyioTDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:31:39.596152Z","bundle_sha256":"32714a3e86fa3564e4050a43ef1d30f9b22f561732020d281e950645a92f6a54"}}