{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:JZY7CCAADLL3I6JI7MPYIH66QA","short_pith_number":"pith:JZY7CCAA","canonical_record":{"source":{"id":"2104.11226","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-04-22T17:59:37Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"e2bb696b31b9b2b595bde2bf7c371d048eb1c7cc856001387c22a30269d420fd","abstract_canon_sha256":"5168ea068a4ce2ae55aa99e18e2150ecbbb4771742293f95e3ffb8023e800f09"},"schema_version":"1.0"},"canonical_sha256":"4e71f108001ad7b47928fb1f841fde8000a204fc348d57dcc75345b379b4ae9e","source":{"kind":"arxiv","id":"2104.11226","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.11226","created_at":"2026-07-05T03:36:02Z"},{"alias_kind":"arxiv_version","alias_value":"2104.11226v3","created_at":"2026-07-05T03:36:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.11226","created_at":"2026-07-05T03:36:02Z"},{"alias_kind":"pith_short_12","alias_value":"JZY7CCAADLL3","created_at":"2026-07-05T03:36:02Z"},{"alias_kind":"pith_short_16","alias_value":"JZY7CCAADLL3I6JI","created_at":"2026-07-05T03:36:02Z"},{"alias_kind":"pith_short_8","alias_value":"JZY7CCAA","created_at":"2026-07-05T03:36:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:JZY7CCAADLL3I6JI7MPYIH66QA","target":"record","payload":{"canonical_record":{"source":{"id":"2104.11226","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-04-22T17:59:37Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"e2bb696b31b9b2b595bde2bf7c371d048eb1c7cc856001387c22a30269d420fd","abstract_canon_sha256":"5168ea068a4ce2ae55aa99e18e2150ecbbb4771742293f95e3ffb8023e800f09"},"schema_version":"1.0"},"canonical_sha256":"4e71f108001ad7b47928fb1f841fde8000a204fc348d57dcc75345b379b4ae9e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:36:02.918941Z","signature_b64":"ye+joE5Hk4w4YG2kU60Zz7E4/Z6oTR+gmSNS1dyCgtXBFMOewOQcbvkyQopQ0icqFTDKRc2XoTlJ12RZVwsnBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e71f108001ad7b47928fb1f841fde8000a204fc348d57dcc75345b379b4ae9e","last_reissued_at":"2026-07-05T03:36:02.918496Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:36:02.918496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2104.11226","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:36:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o6v2U3gtWRmlQPrtdp2PZRPMpWdpDTa6c3JqUBnrwvqlcMD17bEVFf9w6QKiDF7zPwCn2PPNs1CZFglx/r/wBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:20:59.528283Z"},"content_sha256":"48a7aac4aa7386cdfd9fe8501a2c4d32c3bb99c460d7e87897afdb15491fdafa","schema_version":"1.0","event_id":"sha256:48a7aac4aa7386cdfd9fe8501a2c4d32c3bb99c460d7e87897afdb15491fdafa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:JZY7CCAADLL3I6JI7MPYIH66QA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Supersonic Project: SIGOs, a Proposed Progenitor to Globular Clusters, and their Connections to Gravitational Wave Anisotropies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Blakesley Burkhart, Federico Marinacci, Kyle Kremer, Mark Vogelsberger, Smadar Naoz, William Lake, Yeou S. Chiou","submitted_at":"2021-04-22T17:59:37Z","abstract_excerpt":"Supersonically Induced Gas Objects (SIGOs), are structures with little to no dark matter component predicted to exist in regions of the Universe with large relative velocities between baryons and dark matter at the time of recombination. They have been suggested to be the progenitors of present-day globular clusters. Using simulations, SIGOs have been studied on small scales (around 2 Mpc), where these relative velocities are coherent. However, it is challenging to study SIGOs using simulations on large scales due to the varying relative velocities at scales larger than a few Mpc. Here, we stu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.11226","kind":"arxiv","version":3},"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/2104.11226/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":"2026-07-05T03:36:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5nGEj2dWRGdZLq9VSTSuyL3N4xl9Kr18DjOPM/otFyM6OaCiZx01EDXuqyZomzQNcj9Yt2DM13og9hNe9XA8AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:20:59.528669Z"},"content_sha256":"88556b58c5ac26006e460fd9d9b61eb0e619d31dbccdfe3842af5590ad48a11f","schema_version":"1.0","event_id":"sha256:88556b58c5ac26006e460fd9d9b61eb0e619d31dbccdfe3842af5590ad48a11f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JZY7CCAADLL3I6JI7MPYIH66QA/bundle.json","state_url":"https://pith.science/pith/JZY7CCAADLL3I6JI7MPYIH66QA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JZY7CCAADLL3I6JI7MPYIH66QA/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":"2026-07-07T09:20:59Z","links":{"resolver":"https://pith.science/pith/JZY7CCAADLL3I6JI7MPYIH66QA","bundle":"https://pith.science/pith/JZY7CCAADLL3I6JI7MPYIH66QA/bundle.json","state":"https://pith.science/pith/JZY7CCAADLL3I6JI7MPYIH66QA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JZY7CCAADLL3I6JI7MPYIH66QA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:JZY7CCAADLL3I6JI7MPYIH66QA","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":"5168ea068a4ce2ae55aa99e18e2150ecbbb4771742293f95e3ffb8023e800f09","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-04-22T17:59:37Z","title_canon_sha256":"e2bb696b31b9b2b595bde2bf7c371d048eb1c7cc856001387c22a30269d420fd"},"schema_version":"1.0","source":{"id":"2104.11226","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.11226","created_at":"2026-07-05T03:36:02Z"},{"alias_kind":"arxiv_version","alias_value":"2104.11226v3","created_at":"2026-07-05T03:36:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.11226","created_at":"2026-07-05T03:36:02Z"},{"alias_kind":"pith_short_12","alias_value":"JZY7CCAADLL3","created_at":"2026-07-05T03:36:02Z"},{"alias_kind":"pith_short_16","alias_value":"JZY7CCAADLL3I6JI","created_at":"2026-07-05T03:36:02Z"},{"alias_kind":"pith_short_8","alias_value":"JZY7CCAA","created_at":"2026-07-05T03:36:02Z"}],"graph_snapshots":[{"event_id":"sha256:88556b58c5ac26006e460fd9d9b61eb0e619d31dbccdfe3842af5590ad48a11f","target":"graph","created_at":"2026-07-05T03:36:02Z","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/2104.11226/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Supersonically Induced Gas Objects (SIGOs), are structures with little to no dark matter component predicted to exist in regions of the Universe with large relative velocities between baryons and dark matter at the time of recombination. They have been suggested to be the progenitors of present-day globular clusters. Using simulations, SIGOs have been studied on small scales (around 2 Mpc), where these relative velocities are coherent. However, it is challenging to study SIGOs using simulations on large scales due to the varying relative velocities at scales larger than a few Mpc. Here, we stu","authors_text":"Blakesley Burkhart, Federico Marinacci, Kyle Kremer, Mark Vogelsberger, Smadar Naoz, William Lake, Yeou S. Chiou","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-04-22T17:59:37Z","title":"The Supersonic Project: SIGOs, a Proposed Progenitor to Globular Clusters, and their Connections to Gravitational Wave Anisotropies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.11226","kind":"arxiv","version":3},"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":"sha256:48a7aac4aa7386cdfd9fe8501a2c4d32c3bb99c460d7e87897afdb15491fdafa","target":"record","created_at":"2026-07-05T03:36:02Z","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":"5168ea068a4ce2ae55aa99e18e2150ecbbb4771742293f95e3ffb8023e800f09","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-04-22T17:59:37Z","title_canon_sha256":"e2bb696b31b9b2b595bde2bf7c371d048eb1c7cc856001387c22a30269d420fd"},"schema_version":"1.0","source":{"id":"2104.11226","kind":"arxiv","version":3}},"canonical_sha256":"4e71f108001ad7b47928fb1f841fde8000a204fc348d57dcc75345b379b4ae9e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e71f108001ad7b47928fb1f841fde8000a204fc348d57dcc75345b379b4ae9e","first_computed_at":"2026-07-05T03:36:02.918496Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:36:02.918496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ye+joE5Hk4w4YG2kU60Zz7E4/Z6oTR+gmSNS1dyCgtXBFMOewOQcbvkyQopQ0icqFTDKRc2XoTlJ12RZVwsnBw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:36:02.918941Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.11226","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:48a7aac4aa7386cdfd9fe8501a2c4d32c3bb99c460d7e87897afdb15491fdafa","sha256:88556b58c5ac26006e460fd9d9b61eb0e619d31dbccdfe3842af5590ad48a11f"],"state_sha256":"0404b95fb0315d632ebf342f9902e7c358106a5156a488a2fa8f9a7184e6032a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q6P1RH0UQsirX7lHnK+eh37wIf2lraMH74MY9chW8SlMNVBcgXQTDTtiZ7BGJGS41FA5hPJ1wYNLs/PPHv09CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T09:20:59.530600Z","bundle_sha256":"0dccf07cdd2c6b1b437c333fba2163dbdf5c0da494da6f1a13f99a8331929fb2"}}