{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:C3KUEJANWNJ6LTG7VEWKVGGK55","short_pith_number":"pith:C3KUEJAN","canonical_record":{"source":{"id":"2212.10576","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-12-20T19:00:01Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"4fa9bcf7ea3db974ef625b276238528fd1ff55266d2798f4bb77759608de3e39","abstract_canon_sha256":"05c89869150dadf3993c0ba1ff224e15277a2d9e491b11401cfc5f8b132a361b"},"schema_version":"1.0"},"canonical_sha256":"16d542240db353e5ccdfa92caa98caef61e91ded3fdd29cb0fb9ab7a80012c79","source":{"kind":"arxiv","id":"2212.10576","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.10576","created_at":"2026-07-05T07:06:21Z"},{"alias_kind":"arxiv_version","alias_value":"2212.10576v2","created_at":"2026-07-05T07:06:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.10576","created_at":"2026-07-05T07:06:21Z"},{"alias_kind":"pith_short_12","alias_value":"C3KUEJANWNJ6","created_at":"2026-07-05T07:06:21Z"},{"alias_kind":"pith_short_16","alias_value":"C3KUEJANWNJ6LTG7","created_at":"2026-07-05T07:06:21Z"},{"alias_kind":"pith_short_8","alias_value":"C3KUEJAN","created_at":"2026-07-05T07:06:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:C3KUEJANWNJ6LTG7VEWKVGGK55","target":"record","payload":{"canonical_record":{"source":{"id":"2212.10576","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-12-20T19:00:01Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"4fa9bcf7ea3db974ef625b276238528fd1ff55266d2798f4bb77759608de3e39","abstract_canon_sha256":"05c89869150dadf3993c0ba1ff224e15277a2d9e491b11401cfc5f8b132a361b"},"schema_version":"1.0"},"canonical_sha256":"16d542240db353e5ccdfa92caa98caef61e91ded3fdd29cb0fb9ab7a80012c79","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:06:21.998036Z","signature_b64":"8pNCd67WqxnVXcG+8mxYepUGFJWbnVUjUqMN74q9+VX+X2zffUYE3MLFJRFodcZebKUROi6S3cwzhCc8B3ZwDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"16d542240db353e5ccdfa92caa98caef61e91ded3fdd29cb0fb9ab7a80012c79","last_reissued_at":"2026-07-05T07:06:21.997496Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:06:21.997496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.10576","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":"2026-07-05T07:06:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G8C4t8BJkuejTBxN0T0tWrIkI5u+wUD5vmCqwJ2c1YnwCv5mTTsfohGwP2wdJDkvARUjN9AFiNATZ8QCr/lPDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T22:30:50.491806Z"},"content_sha256":"2510dd8e00958883cb3c4efbfcb9595bc6be6e2fae81f3de401bcaea726ed6d1","schema_version":"1.0","event_id":"sha256:2510dd8e00958883cb3c4efbfcb9595bc6be6e2fae81f3de401bcaea726ed6d1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:C3KUEJANWNJ6LTG7VEWKVGGK55","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraints on strong phase transitions in neutron stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","nucl-th"],"primary_cat":"astro-ph.HE","authors_text":"Achim Schwenk, Aleksi Kurkela, Aleksi Vuorinen, Kai Hebeler, Tyler Gorda","submitted_at":"2022-12-20T19:00:01Z","abstract_excerpt":"We study current bounds on strong first-order phase transitions (PTs) along the equation of state (EOS) of dense strongly interacting matter in neutron stars, under the simplifying assumption that on either side of the PT the EOS can be approximated by a simple polytropic form. We construct a large ensemble of possible EOSs of this form, anchor them to chiral effective field theory calculations at nuclear density and perturbative QCD at high densities, and subject them to astrophysical constraints from high-mass pulsars and gravitational-wave observations. Within this setup, we find that a PT "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.10576","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/2212.10576/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":"2026-07-05T07:06:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lQrCuQZAzYHjes1ugAaGPi/J3Ewu6vAj/ucNQfl9f+XbKtnD+1NlkzMazLj6wFjzL/yfrGiyXQB5UkgxNd0/Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T22:30:50.492570Z"},"content_sha256":"e5dbc07d79d0ba7d8f0ec32c07cf232e11237d3413357aa2db02fd9386b4cd57","schema_version":"1.0","event_id":"sha256:e5dbc07d79d0ba7d8f0ec32c07cf232e11237d3413357aa2db02fd9386b4cd57"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C3KUEJANWNJ6LTG7VEWKVGGK55/bundle.json","state_url":"https://pith.science/pith/C3KUEJANWNJ6LTG7VEWKVGGK55/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C3KUEJANWNJ6LTG7VEWKVGGK55/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":"2026-07-31T22:30:50Z","links":{"resolver":"https://pith.science/pith/C3KUEJANWNJ6LTG7VEWKVGGK55","bundle":"https://pith.science/pith/C3KUEJANWNJ6LTG7VEWKVGGK55/bundle.json","state":"https://pith.science/pith/C3KUEJANWNJ6LTG7VEWKVGGK55/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C3KUEJANWNJ6LTG7VEWKVGGK55/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:C3KUEJANWNJ6LTG7VEWKVGGK55","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":"05c89869150dadf3993c0ba1ff224e15277a2d9e491b11401cfc5f8b132a361b","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-12-20T19:00:01Z","title_canon_sha256":"4fa9bcf7ea3db974ef625b276238528fd1ff55266d2798f4bb77759608de3e39"},"schema_version":"1.0","source":{"id":"2212.10576","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.10576","created_at":"2026-07-05T07:06:21Z"},{"alias_kind":"arxiv_version","alias_value":"2212.10576v2","created_at":"2026-07-05T07:06:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.10576","created_at":"2026-07-05T07:06:21Z"},{"alias_kind":"pith_short_12","alias_value":"C3KUEJANWNJ6","created_at":"2026-07-05T07:06:21Z"},{"alias_kind":"pith_short_16","alias_value":"C3KUEJANWNJ6LTG7","created_at":"2026-07-05T07:06:21Z"},{"alias_kind":"pith_short_8","alias_value":"C3KUEJAN","created_at":"2026-07-05T07:06:21Z"}],"graph_snapshots":[{"event_id":"sha256:e5dbc07d79d0ba7d8f0ec32c07cf232e11237d3413357aa2db02fd9386b4cd57","target":"graph","created_at":"2026-07-05T07:06:21Z","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/2212.10576/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study current bounds on strong first-order phase transitions (PTs) along the equation of state (EOS) of dense strongly interacting matter in neutron stars, under the simplifying assumption that on either side of the PT the EOS can be approximated by a simple polytropic form. We construct a large ensemble of possible EOSs of this form, anchor them to chiral effective field theory calculations at nuclear density and perturbative QCD at high densities, and subject them to astrophysical constraints from high-mass pulsars and gravitational-wave observations. Within this setup, we find that a PT ","authors_text":"Achim Schwenk, Aleksi Kurkela, Aleksi Vuorinen, Kai Hebeler, Tyler Gorda","cross_cats":["hep-ph","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-12-20T19:00:01Z","title":"Constraints on strong phase transitions in neutron stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.10576","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":"sha256:2510dd8e00958883cb3c4efbfcb9595bc6be6e2fae81f3de401bcaea726ed6d1","target":"record","created_at":"2026-07-05T07:06:21Z","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":"05c89869150dadf3993c0ba1ff224e15277a2d9e491b11401cfc5f8b132a361b","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-12-20T19:00:01Z","title_canon_sha256":"4fa9bcf7ea3db974ef625b276238528fd1ff55266d2798f4bb77759608de3e39"},"schema_version":"1.0","source":{"id":"2212.10576","kind":"arxiv","version":2}},"canonical_sha256":"16d542240db353e5ccdfa92caa98caef61e91ded3fdd29cb0fb9ab7a80012c79","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"16d542240db353e5ccdfa92caa98caef61e91ded3fdd29cb0fb9ab7a80012c79","first_computed_at":"2026-07-05T07:06:21.997496Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:06:21.997496Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8pNCd67WqxnVXcG+8mxYepUGFJWbnVUjUqMN74q9+VX+X2zffUYE3MLFJRFodcZebKUROi6S3cwzhCc8B3ZwDw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:06:21.998036Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.10576","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2510dd8e00958883cb3c4efbfcb9595bc6be6e2fae81f3de401bcaea726ed6d1","sha256:e5dbc07d79d0ba7d8f0ec32c07cf232e11237d3413357aa2db02fd9386b4cd57"],"state_sha256":"9d12555e375753a62fb9d6f24aa3e238d3d389dfe8e8cfed64da9d46472bab7c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fVHSwxuML3LiM6rDlE8yxYWzuirshadjciHHlblsfYa+Ft3AqcmpMcihhmoqHdiS/MEcjpN5K9JbKc70f3TuDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T22:30:50.497526Z","bundle_sha256":"7a534630fc134ea42f73c2677dff76d1b9eff5582a4fdaf2a78413b9bdac64cc"}}