{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:JI7GQ7F2FIIO6SJPUXUTA5HKFU","short_pith_number":"pith:JI7GQ7F2","canonical_record":{"source":{"id":"1105.0339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-05-02T14:29:07Z","cross_cats_sorted":[],"title_canon_sha256":"7cf2c7a728412cfa9862a1ee13c675fccceae8a3a6b5e7604f88131234558bee","abstract_canon_sha256":"5cbc3207d071d58e31010415e49730af26566d81a557cd3ae55c28db388c8cbb"},"schema_version":"1.0"},"canonical_sha256":"4a3e687cba2a10ef492fa5e93074ea2d299aa696e7c6e7852c66779d098d1f61","source":{"kind":"arxiv","id":"1105.0339","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.0339","created_at":"2026-05-18T00:37:22Z"},{"alias_kind":"arxiv_version","alias_value":"1105.0339v1","created_at":"2026-05-18T00:37:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.0339","created_at":"2026-05-18T00:37:22Z"},{"alias_kind":"pith_short_12","alias_value":"JI7GQ7F2FIIO","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JI7GQ7F2FIIO6SJP","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JI7GQ7F2","created_at":"2026-05-18T12:26:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:JI7GQ7F2FIIO6SJPUXUTA5HKFU","target":"record","payload":{"canonical_record":{"source":{"id":"1105.0339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-05-02T14:29:07Z","cross_cats_sorted":[],"title_canon_sha256":"7cf2c7a728412cfa9862a1ee13c675fccceae8a3a6b5e7604f88131234558bee","abstract_canon_sha256":"5cbc3207d071d58e31010415e49730af26566d81a557cd3ae55c28db388c8cbb"},"schema_version":"1.0"},"canonical_sha256":"4a3e687cba2a10ef492fa5e93074ea2d299aa696e7c6e7852c66779d098d1f61","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:22.551371Z","signature_b64":"R5AZl9dOYytSUzCHeVi1IqFVV8is0+67B5reVch3yiJM0WxGVOST3ku81su1TH7b2pz4OqRnTb6Gqe1hTJ8eCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4a3e687cba2a10ef492fa5e93074ea2d299aa696e7c6e7852c66779d098d1f61","last_reissued_at":"2026-05-18T00:37:22.550852Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:22.550852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.0339","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":"2026-05-18T00:37:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8Bg8dX3GEUXlr3V2XfQ9fH/q0Ze40GzBIslei/Ix9BrJmLBtLCg8Vt6GcYaZGBujuZ+YLpBFb4ODCC4RaOSpAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:35:35.743394Z"},"content_sha256":"12bf33815270aad8cdca70d110cd098159a110bd7154b5bd50f340e2bf01c93d","schema_version":"1.0","event_id":"sha256:12bf33815270aad8cdca70d110cd098159a110bd7154b5bd50f340e2bf01c93d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:JI7GQ7F2FIIO6SJPUXUTA5HKFU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detecting quark matter in the early universe by gravitational waves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Jurgen Schaffner-Bielich, Simon Schettler, Tillmann Boeckel","submitted_at":"2011-05-02T14:29:07Z","abstract_excerpt":"For large baryochemical potential, strongly interacting matter might undergo a first order phase transition at temperatures T ~ 100-200 MeV. Within standard cosmology, however, the chemical potential is assumed to be very small leading to a crossover. We discuss implications of a first order QCD transition at high chemical potential being consistent with current observations. In this contribution we concentrate on effects on the gravitational wave spectrum. There are other interesting cosmological signals as a modification of the power spectrum of dark matter, the production of stellar black h"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.0339","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":"2026-05-18T00:37:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tsct82jE8L8KtW84WIaHOix4AZHdqy3rx6v19PPq6EnSsyNBI40sN6cxMeliKNrOYp3M7DY1bTHTCdflThrqCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:35:35.743750Z"},"content_sha256":"682a0707be6602fcf7ae0d72687045796ec249c86b25db6b92723bd1fc2b1542","schema_version":"1.0","event_id":"sha256:682a0707be6602fcf7ae0d72687045796ec249c86b25db6b92723bd1fc2b1542"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JI7GQ7F2FIIO6SJPUXUTA5HKFU/bundle.json","state_url":"https://pith.science/pith/JI7GQ7F2FIIO6SJPUXUTA5HKFU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JI7GQ7F2FIIO6SJPUXUTA5HKFU/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":"2026-05-28T01:35:35Z","links":{"resolver":"https://pith.science/pith/JI7GQ7F2FIIO6SJPUXUTA5HKFU","bundle":"https://pith.science/pith/JI7GQ7F2FIIO6SJPUXUTA5HKFU/bundle.json","state":"https://pith.science/pith/JI7GQ7F2FIIO6SJPUXUTA5HKFU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JI7GQ7F2FIIO6SJPUXUTA5HKFU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:JI7GQ7F2FIIO6SJPUXUTA5HKFU","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":"5cbc3207d071d58e31010415e49730af26566d81a557cd3ae55c28db388c8cbb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-05-02T14:29:07Z","title_canon_sha256":"7cf2c7a728412cfa9862a1ee13c675fccceae8a3a6b5e7604f88131234558bee"},"schema_version":"1.0","source":{"id":"1105.0339","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.0339","created_at":"2026-05-18T00:37:22Z"},{"alias_kind":"arxiv_version","alias_value":"1105.0339v1","created_at":"2026-05-18T00:37:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.0339","created_at":"2026-05-18T00:37:22Z"},{"alias_kind":"pith_short_12","alias_value":"JI7GQ7F2FIIO","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JI7GQ7F2FIIO6SJP","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JI7GQ7F2","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:682a0707be6602fcf7ae0d72687045796ec249c86b25db6b92723bd1fc2b1542","target":"graph","created_at":"2026-05-18T00:37:22Z","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":"For large baryochemical potential, strongly interacting matter might undergo a first order phase transition at temperatures T ~ 100-200 MeV. Within standard cosmology, however, the chemical potential is assumed to be very small leading to a crossover. We discuss implications of a first order QCD transition at high chemical potential being consistent with current observations. In this contribution we concentrate on effects on the gravitational wave spectrum. There are other interesting cosmological signals as a modification of the power spectrum of dark matter, the production of stellar black h","authors_text":"Jurgen Schaffner-Bielich, Simon Schettler, Tillmann Boeckel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-05-02T14:29:07Z","title":"Detecting quark matter in the early universe by gravitational waves"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.0339","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":"sha256:12bf33815270aad8cdca70d110cd098159a110bd7154b5bd50f340e2bf01c93d","target":"record","created_at":"2026-05-18T00:37:22Z","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":"5cbc3207d071d58e31010415e49730af26566d81a557cd3ae55c28db388c8cbb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-05-02T14:29:07Z","title_canon_sha256":"7cf2c7a728412cfa9862a1ee13c675fccceae8a3a6b5e7604f88131234558bee"},"schema_version":"1.0","source":{"id":"1105.0339","kind":"arxiv","version":1}},"canonical_sha256":"4a3e687cba2a10ef492fa5e93074ea2d299aa696e7c6e7852c66779d098d1f61","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4a3e687cba2a10ef492fa5e93074ea2d299aa696e7c6e7852c66779d098d1f61","first_computed_at":"2026-05-18T00:37:22.550852Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:22.550852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"R5AZl9dOYytSUzCHeVi1IqFVV8is0+67B5reVch3yiJM0WxGVOST3ku81su1TH7b2pz4OqRnTb6Gqe1hTJ8eCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:22.551371Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.0339","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:12bf33815270aad8cdca70d110cd098159a110bd7154b5bd50f340e2bf01c93d","sha256:682a0707be6602fcf7ae0d72687045796ec249c86b25db6b92723bd1fc2b1542"],"state_sha256":"a7b04abdbc3b39ef9979d804005f9ff496f9c12323d85d7430cc1244075733bf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BdtZDrSUsw7bqYjIwrNzDeCNMPlRLcEmjsP89rwzrvd2UUaw1E/N07MQD1h4CRbKuCjPst+HY2HUQLEcCxyYBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T01:35:35.745790Z","bundle_sha256":"5f36dfebd1efd7af51284dd8a27c0ceeb1245ecfdcb0b6cf9a672c1b3e82d466"}}