{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:4GHLWP4LL6QZG357IDQQ7CSHJO","short_pith_number":"pith:4GHLWP4L","canonical_record":{"source":{"id":"2311.18721","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-11-30T17:20:21Z","cross_cats_sorted":[],"title_canon_sha256":"9ec2a715845ad293c9229a2b3b593fe4675a6a3ea348435589c718e73e2060fb","abstract_canon_sha256":"77e93d06e2f496e7fad8181cfe53f38adf827be4079c93e79ca7c2a51d418aac"},"schema_version":"1.0"},"canonical_sha256":"e18ebb3f8b5fa1936fbf40e10f8a474b83841458dca8639393dbcbeeeab0a6ba","source":{"kind":"arxiv","id":"2311.18721","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.18721","created_at":"2026-07-05T07:54:53Z"},{"alias_kind":"arxiv_version","alias_value":"2311.18721v2","created_at":"2026-07-05T07:54:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.18721","created_at":"2026-07-05T07:54:53Z"},{"alias_kind":"pith_short_12","alias_value":"4GHLWP4LL6QZ","created_at":"2026-07-05T07:54:53Z"},{"alias_kind":"pith_short_16","alias_value":"4GHLWP4LL6QZG357","created_at":"2026-07-05T07:54:53Z"},{"alias_kind":"pith_short_8","alias_value":"4GHLWP4L","created_at":"2026-07-05T07:54:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:4GHLWP4LL6QZG357IDQQ7CSHJO","target":"record","payload":{"canonical_record":{"source":{"id":"2311.18721","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-11-30T17:20:21Z","cross_cats_sorted":[],"title_canon_sha256":"9ec2a715845ad293c9229a2b3b593fe4675a6a3ea348435589c718e73e2060fb","abstract_canon_sha256":"77e93d06e2f496e7fad8181cfe53f38adf827be4079c93e79ca7c2a51d418aac"},"schema_version":"1.0"},"canonical_sha256":"e18ebb3f8b5fa1936fbf40e10f8a474b83841458dca8639393dbcbeeeab0a6ba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:54:53.421920Z","signature_b64":"J46gmrXXJgT53/hbKGENldjqpq5c4/JpvLHwCfIAlF8wbIkSpwx4dDqu5I49TUl9LFvytls2G6qYnCeN/4CFAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e18ebb3f8b5fa1936fbf40e10f8a474b83841458dca8639393dbcbeeeab0a6ba","last_reissued_at":"2026-07-05T07:54:53.421485Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:54:53.421485Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2311.18721","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":"2026-07-05T07:54:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TdgH9Ndcev4UQ9Yvrau3tQPPvqhnhmogLnC0ZvnqC8tXEzf27np4W4zhGsiksz1SEfuldQEK4csgz0lmRFHeDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:38:00.192267Z"},"content_sha256":"def0c4a4907ef62981b85b7156283109c5eb1da368de461021a786344ff0bc22","schema_version":"1.0","event_id":"sha256:def0c4a4907ef62981b85b7156283109c5eb1da368de461021a786344ff0bc22"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:4GHLWP4LL6QZG357IDQQ7CSHJO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Compton scattering of electrons in the intergalactic medium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Christopher M. Hirata, Heyang Long, Yuanyuan Yang","submitted_at":"2023-11-30T17:20:21Z","abstract_excerpt":"This paper investigates the distribution and implications of cosmic ray electrons within the intergalactic medium (IGM). Utilizing a synthesis model of the extragalactic background, we evolve the spectrum of Compton-included cosmic rays. The energy density distribution of cosmic ray electrons peaks at redshift $z \\approx2$, and peaks in the $\\sim$MeV range. The fractional contribution of cosmic ray pressure to the general IGM pressure progressively increases toward lower redshift. At mean density, the ratio of cosmic ray electron to thermal pressure in the IGM $ P_{\\rm CRe} / P_{\\rm th}$ is 0."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.18721","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/2311.18721/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":"2026-07-05T07:54:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wIzkAS/D8EpFHz6x1XLoe1j6fC+fC3KXZHZ+M8irRT9uUrPSGVzoNdv5F7Xo1n+fTteDmYPfWNlyLMY9TRDGAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:38:00.192656Z"},"content_sha256":"470245590e73c661bd278116f6f3d77b64b293e3657f59239078ad5b277e545b","schema_version":"1.0","event_id":"sha256:470245590e73c661bd278116f6f3d77b64b293e3657f59239078ad5b277e545b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4GHLWP4LL6QZG357IDQQ7CSHJO/bundle.json","state_url":"https://pith.science/pith/4GHLWP4LL6QZG357IDQQ7CSHJO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4GHLWP4LL6QZG357IDQQ7CSHJO/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":"2026-07-07T09:38:00Z","links":{"resolver":"https://pith.science/pith/4GHLWP4LL6QZG357IDQQ7CSHJO","bundle":"https://pith.science/pith/4GHLWP4LL6QZG357IDQQ7CSHJO/bundle.json","state":"https://pith.science/pith/4GHLWP4LL6QZG357IDQQ7CSHJO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4GHLWP4LL6QZG357IDQQ7CSHJO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:4GHLWP4LL6QZG357IDQQ7CSHJO","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":"77e93d06e2f496e7fad8181cfe53f38adf827be4079c93e79ca7c2a51d418aac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-11-30T17:20:21Z","title_canon_sha256":"9ec2a715845ad293c9229a2b3b593fe4675a6a3ea348435589c718e73e2060fb"},"schema_version":"1.0","source":{"id":"2311.18721","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.18721","created_at":"2026-07-05T07:54:53Z"},{"alias_kind":"arxiv_version","alias_value":"2311.18721v2","created_at":"2026-07-05T07:54:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.18721","created_at":"2026-07-05T07:54:53Z"},{"alias_kind":"pith_short_12","alias_value":"4GHLWP4LL6QZ","created_at":"2026-07-05T07:54:53Z"},{"alias_kind":"pith_short_16","alias_value":"4GHLWP4LL6QZG357","created_at":"2026-07-05T07:54:53Z"},{"alias_kind":"pith_short_8","alias_value":"4GHLWP4L","created_at":"2026-07-05T07:54:53Z"}],"graph_snapshots":[{"event_id":"sha256:470245590e73c661bd278116f6f3d77b64b293e3657f59239078ad5b277e545b","target":"graph","created_at":"2026-07-05T07:54:53Z","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/2311.18721/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper investigates the distribution and implications of cosmic ray electrons within the intergalactic medium (IGM). Utilizing a synthesis model of the extragalactic background, we evolve the spectrum of Compton-included cosmic rays. The energy density distribution of cosmic ray electrons peaks at redshift $z \\approx2$, and peaks in the $\\sim$MeV range. The fractional contribution of cosmic ray pressure to the general IGM pressure progressively increases toward lower redshift. At mean density, the ratio of cosmic ray electron to thermal pressure in the IGM $ P_{\\rm CRe} / P_{\\rm th}$ is 0.","authors_text":"Christopher M. Hirata, Heyang Long, Yuanyuan Yang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-11-30T17:20:21Z","title":"Compton scattering of electrons in the intergalactic medium"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.18721","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:def0c4a4907ef62981b85b7156283109c5eb1da368de461021a786344ff0bc22","target":"record","created_at":"2026-07-05T07:54:53Z","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":"77e93d06e2f496e7fad8181cfe53f38adf827be4079c93e79ca7c2a51d418aac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-11-30T17:20:21Z","title_canon_sha256":"9ec2a715845ad293c9229a2b3b593fe4675a6a3ea348435589c718e73e2060fb"},"schema_version":"1.0","source":{"id":"2311.18721","kind":"arxiv","version":2}},"canonical_sha256":"e18ebb3f8b5fa1936fbf40e10f8a474b83841458dca8639393dbcbeeeab0a6ba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e18ebb3f8b5fa1936fbf40e10f8a474b83841458dca8639393dbcbeeeab0a6ba","first_computed_at":"2026-07-05T07:54:53.421485Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:54:53.421485Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J46gmrXXJgT53/hbKGENldjqpq5c4/JpvLHwCfIAlF8wbIkSpwx4dDqu5I49TUl9LFvytls2G6qYnCeN/4CFAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:54:53.421920Z","signed_message":"canonical_sha256_bytes"},"source_id":"2311.18721","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:def0c4a4907ef62981b85b7156283109c5eb1da368de461021a786344ff0bc22","sha256:470245590e73c661bd278116f6f3d77b64b293e3657f59239078ad5b277e545b"],"state_sha256":"e7e632eb80ffad7b0449c149de0995d2b0bff3cd3c5826c5b18b2cf47397166f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"43s422ZrjQdTk7L+y4QmqZBPMV8ExzIBQaAYrBma3KZHjKD+0QGcjKuhNlULrF67aq0+qA1irQVW7nq9E39uDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T09:38:00.194798Z","bundle_sha256":"cdaaf79e7c05ac6805fdac0d83ced94fab6de9807e118d38208a9c4f183dec57"}}