{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:NDNGAOKPXARW56QZI3YLUOAKK4","short_pith_number":"pith:NDNGAOKP","canonical_record":{"source":{"id":"2008.01084","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-08-03T18:00:00Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"1f0ca7d1c78abd446b1ad4826772441db282c1bb9031b3d75991583e78920d25","abstract_canon_sha256":"851268fa09932914e7113e8cf7ba093b3fc95e01eb8c75ef4027103696052d7f"},"schema_version":"1.0"},"canonical_sha256":"68da60394fb8236efa1946f0ba380a57244e2a545fa80a124b6f710097e95f6d","source":{"kind":"arxiv","id":"2008.01084","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.01084","created_at":"2026-07-05T03:06:12Z"},{"alias_kind":"arxiv_version","alias_value":"2008.01084v2","created_at":"2026-07-05T03:06:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.01084","created_at":"2026-07-05T03:06:12Z"},{"alias_kind":"pith_short_12","alias_value":"NDNGAOKPXARW","created_at":"2026-07-05T03:06:12Z"},{"alias_kind":"pith_short_16","alias_value":"NDNGAOKPXARW56QZ","created_at":"2026-07-05T03:06:12Z"},{"alias_kind":"pith_short_8","alias_value":"NDNGAOKP","created_at":"2026-07-05T03:06:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:NDNGAOKPXARW56QZI3YLUOAKK4","target":"record","payload":{"canonical_record":{"source":{"id":"2008.01084","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-08-03T18:00:00Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"1f0ca7d1c78abd446b1ad4826772441db282c1bb9031b3d75991583e78920d25","abstract_canon_sha256":"851268fa09932914e7113e8cf7ba093b3fc95e01eb8c75ef4027103696052d7f"},"schema_version":"1.0"},"canonical_sha256":"68da60394fb8236efa1946f0ba380a57244e2a545fa80a124b6f710097e95f6d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:06:12.232406Z","signature_b64":"IUfFrOUvXveB0wqveo77OkuBHB8R+lYTybckJnPEFISGvdlsXNvERKDi6KbtRj8Agn/lCKweew0mzy9aZwBHBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"68da60394fb8236efa1946f0ba380a57244e2a545fa80a124b6f710097e95f6d","last_reissued_at":"2026-07-05T03:06:12.231933Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:06:12.231933Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2008.01084","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:06:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6v7f5/1J0D7nyRDam/4IhAdQ/slXa6yXWzufyfMDuXkem9TwFE38iKc7gzswMQv2KbqmeLrBZu5NLbpyQPIlDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T08:45:44.264036Z"},"content_sha256":"091ab2c2c412092e297e0a2d260824316b839a23fd715146187f82d4e96ee20c","schema_version":"1.0","event_id":"sha256:091ab2c2c412092e297e0a2d260824316b839a23fd715146187f82d4e96ee20c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:NDNGAOKPXARW56QZI3YLUOAKK4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Lyman-$\\alpha$ Constraints on Cosmic Heating from Dark Matter Annihilation and Decay","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Gregory W. Ridgway, Hongwan Liu, Tracy R. Slatyer, Wenzer Qin","submitted_at":"2020-08-03T18:00:00Z","abstract_excerpt":"We derive new constraints on models of decaying and annihilating dark matter (DM) by requiring that the energy injected into the intergalactic medium (IGM) not overheat it at late times, when measurements of the Lyman-$\\alpha$ forest constrain the IGM temperature. We improve upon previous analyses by using the recently developed $\\texttt{DarkHistory}$ code package, which self-consistently takes into account additional photoionization and photoheating processes due to reionization and DM sources. Our constraints are robust to the uncertainties of reionization and competitive with leading limits"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.01084","kind":"arxiv","version":2},"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/2008.01084/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":"2026-07-05T03:06:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3BhVRTpZSsfMAT8uTHJPkJHTWDdmluE0ttJ1hJ4rD3J821Kn3kvivJNP3SsUaJEdZM3itfeMkY3tBKg04O8WBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T08:45:44.264449Z"},"content_sha256":"35042705b7a74b87f4c8c451fd64bb78868f7acf29cfb6d528dd7f57bdf7e7eb","schema_version":"1.0","event_id":"sha256:35042705b7a74b87f4c8c451fd64bb78868f7acf29cfb6d528dd7f57bdf7e7eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NDNGAOKPXARW56QZI3YLUOAKK4/bundle.json","state_url":"https://pith.science/pith/NDNGAOKPXARW56QZI3YLUOAKK4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NDNGAOKPXARW56QZI3YLUOAKK4/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":"2026-07-06T08:45:44Z","links":{"resolver":"https://pith.science/pith/NDNGAOKPXARW56QZI3YLUOAKK4","bundle":"https://pith.science/pith/NDNGAOKPXARW56QZI3YLUOAKK4/bundle.json","state":"https://pith.science/pith/NDNGAOKPXARW56QZI3YLUOAKK4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NDNGAOKPXARW56QZI3YLUOAKK4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:NDNGAOKPXARW56QZI3YLUOAKK4","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":"851268fa09932914e7113e8cf7ba093b3fc95e01eb8c75ef4027103696052d7f","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-08-03T18:00:00Z","title_canon_sha256":"1f0ca7d1c78abd446b1ad4826772441db282c1bb9031b3d75991583e78920d25"},"schema_version":"1.0","source":{"id":"2008.01084","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.01084","created_at":"2026-07-05T03:06:12Z"},{"alias_kind":"arxiv_version","alias_value":"2008.01084v2","created_at":"2026-07-05T03:06:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.01084","created_at":"2026-07-05T03:06:12Z"},{"alias_kind":"pith_short_12","alias_value":"NDNGAOKPXARW","created_at":"2026-07-05T03:06:12Z"},{"alias_kind":"pith_short_16","alias_value":"NDNGAOKPXARW56QZ","created_at":"2026-07-05T03:06:12Z"},{"alias_kind":"pith_short_8","alias_value":"NDNGAOKP","created_at":"2026-07-05T03:06:12Z"}],"graph_snapshots":[{"event_id":"sha256:35042705b7a74b87f4c8c451fd64bb78868f7acf29cfb6d528dd7f57bdf7e7eb","target":"graph","created_at":"2026-07-05T03:06:12Z","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/2008.01084/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We derive new constraints on models of decaying and annihilating dark matter (DM) by requiring that the energy injected into the intergalactic medium (IGM) not overheat it at late times, when measurements of the Lyman-$\\alpha$ forest constrain the IGM temperature. We improve upon previous analyses by using the recently developed $\\texttt{DarkHistory}$ code package, which self-consistently takes into account additional photoionization and photoheating processes due to reionization and DM sources. Our constraints are robust to the uncertainties of reionization and competitive with leading limits","authors_text":"Gregory W. Ridgway, Hongwan Liu, Tracy R. Slatyer, Wenzer Qin","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-08-03T18:00:00Z","title":"Lyman-$\\alpha$ Constraints on Cosmic Heating from Dark Matter Annihilation and Decay"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.01084","kind":"arxiv","version":2},"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":"sha256:091ab2c2c412092e297e0a2d260824316b839a23fd715146187f82d4e96ee20c","target":"record","created_at":"2026-07-05T03:06:12Z","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":"851268fa09932914e7113e8cf7ba093b3fc95e01eb8c75ef4027103696052d7f","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-08-03T18:00:00Z","title_canon_sha256":"1f0ca7d1c78abd446b1ad4826772441db282c1bb9031b3d75991583e78920d25"},"schema_version":"1.0","source":{"id":"2008.01084","kind":"arxiv","version":2}},"canonical_sha256":"68da60394fb8236efa1946f0ba380a57244e2a545fa80a124b6f710097e95f6d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68da60394fb8236efa1946f0ba380a57244e2a545fa80a124b6f710097e95f6d","first_computed_at":"2026-07-05T03:06:12.231933Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:06:12.231933Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IUfFrOUvXveB0wqveo77OkuBHB8R+lYTybckJnPEFISGvdlsXNvERKDi6KbtRj8Agn/lCKweew0mzy9aZwBHBA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:06:12.232406Z","signed_message":"canonical_sha256_bytes"},"source_id":"2008.01084","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:091ab2c2c412092e297e0a2d260824316b839a23fd715146187f82d4e96ee20c","sha256:35042705b7a74b87f4c8c451fd64bb78868f7acf29cfb6d528dd7f57bdf7e7eb"],"state_sha256":"9a3275aef4a1a5e639cd6e341e98284171eef1f132c76e0ad2e29b129440213f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/eYYN/6hJZ3VfQ7d2VZtj9iqLEqpSBcgL6GAd6HpfD4jyzPhFiiRd9PjDiXfOTvQbvUuCynUkDL/xfCUIqiEAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T08:45:44.266299Z","bundle_sha256":"f812e1ea5e2638568754e5efe2983ebd59658d7bf1505be04b110b64e4b750ad"}}