{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:UE32P2WYJF7HPKPYVUECNMI7MX","short_pith_number":"pith:UE32P2WY","canonical_record":{"source":{"id":"1801.05843","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-01-17T19:47:55Z","cross_cats_sorted":[],"title_canon_sha256":"56f9cdc0f5474a54813398af9a1dce5ad1b6742f20f54dd8d62afb15e125c507","abstract_canon_sha256":"5d9d04e38a778644965d3663827e62a3148bc605d3292f3a4bd8d09ec94bef21"},"schema_version":"1.0"},"canonical_sha256":"a137a7ead8497e77a9f8ad0826b11f65e47a4810d4e9259707fc0a93f1c841f2","source":{"kind":"arxiv","id":"1801.05843","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.05843","created_at":"2026-05-17T23:49:44Z"},{"alias_kind":"arxiv_version","alias_value":"1801.05843v1","created_at":"2026-05-17T23:49:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.05843","created_at":"2026-05-17T23:49:44Z"},{"alias_kind":"pith_short_12","alias_value":"UE32P2WYJF7H","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UE32P2WYJF7HPKPY","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UE32P2WY","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:UE32P2WYJF7HPKPYVUECNMI7MX","target":"record","payload":{"canonical_record":{"source":{"id":"1801.05843","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-01-17T19:47:55Z","cross_cats_sorted":[],"title_canon_sha256":"56f9cdc0f5474a54813398af9a1dce5ad1b6742f20f54dd8d62afb15e125c507","abstract_canon_sha256":"5d9d04e38a778644965d3663827e62a3148bc605d3292f3a4bd8d09ec94bef21"},"schema_version":"1.0"},"canonical_sha256":"a137a7ead8497e77a9f8ad0826b11f65e47a4810d4e9259707fc0a93f1c841f2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:44.136754Z","signature_b64":"LIg/84jNGdnl2+1AKk6Wy5LtC89J23sgja8ohm/VPHpyluOCMRJI+5mGfFhEqDmqzzpL3BauGxe9lAg+Us2xBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a137a7ead8497e77a9f8ad0826b11f65e47a4810d4e9259707fc0a93f1c841f2","last_reissued_at":"2026-05-17T23:49:44.136044Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:44.136044Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.05843","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":"2026-05-17T23:49:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mgC7zaUq8SPC8kPWhOz+Hva5ULA4iv7q3b3N4N1AhtsOdZVoz9n7btYy0HFlZV64GZOzlJMwW7Ehzqo4RWb1CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T08:54:46.935989Z"},"content_sha256":"c8520792f093db44dc32665c3fb48298cd4b7418ddfa71af93bb6179f44dd78b","schema_version":"1.0","event_id":"sha256:c8520792f093db44dc32665c3fb48298cd4b7418ddfa71af93bb6179f44dd78b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:UE32P2WYJF7HPKPYVUECNMI7MX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mimicking inflation with 2-fluid systems in a strong gradient magnetic field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Anastasios Avgoustidis, Richard J. A. Hill, Sebastian Erne, Silke Weinfurtner, Theo Torres, Zack Fifer","submitted_at":"2018-01-17T19:47:55Z","abstract_excerpt":"In the standard cosmological picture the Universe underwent a brief period of near-exponential expansion, known as Inflation. This provides an explanation for structure formation through the amplification of perturbations by the rapid expansion of the fabric of space. Although this mech- anism is theoretically well understood, it cannot be directly observed in nature. We propose a novel experiment combining fluid dynamics and strong magnetic field physics to simulate cosmo- logical inflation. Our proposed system consists of two immiscible, weakly magnetised fluids moving through a strong magne"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.05843","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":"2026-05-17T23:49:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"45bTHamJhLn6N4RX6L+4XaII1XIdB2ro8t50W0DFeBSsPQpv/r6iBOGcN5EbMqjLnaLMjk/3ArVp664ziCV1AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T08:54:46.936401Z"},"content_sha256":"6d92d732954478d54597e892ad0b1d3f6ea0db9d42b5839b493ca53862b9a0f2","schema_version":"1.0","event_id":"sha256:6d92d732954478d54597e892ad0b1d3f6ea0db9d42b5839b493ca53862b9a0f2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UE32P2WYJF7HPKPYVUECNMI7MX/bundle.json","state_url":"https://pith.science/pith/UE32P2WYJF7HPKPYVUECNMI7MX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UE32P2WYJF7HPKPYVUECNMI7MX/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":"2026-05-25T08:54:46Z","links":{"resolver":"https://pith.science/pith/UE32P2WYJF7HPKPYVUECNMI7MX","bundle":"https://pith.science/pith/UE32P2WYJF7HPKPYVUECNMI7MX/bundle.json","state":"https://pith.science/pith/UE32P2WYJF7HPKPYVUECNMI7MX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UE32P2WYJF7HPKPYVUECNMI7MX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:UE32P2WYJF7HPKPYVUECNMI7MX","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":"5d9d04e38a778644965d3663827e62a3148bc605d3292f3a4bd8d09ec94bef21","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-01-17T19:47:55Z","title_canon_sha256":"56f9cdc0f5474a54813398af9a1dce5ad1b6742f20f54dd8d62afb15e125c507"},"schema_version":"1.0","source":{"id":"1801.05843","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.05843","created_at":"2026-05-17T23:49:44Z"},{"alias_kind":"arxiv_version","alias_value":"1801.05843v1","created_at":"2026-05-17T23:49:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.05843","created_at":"2026-05-17T23:49:44Z"},{"alias_kind":"pith_short_12","alias_value":"UE32P2WYJF7H","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UE32P2WYJF7HPKPY","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UE32P2WY","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:6d92d732954478d54597e892ad0b1d3f6ea0db9d42b5839b493ca53862b9a0f2","target":"graph","created_at":"2026-05-17T23:49:44Z","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":"In the standard cosmological picture the Universe underwent a brief period of near-exponential expansion, known as Inflation. This provides an explanation for structure formation through the amplification of perturbations by the rapid expansion of the fabric of space. Although this mech- anism is theoretically well understood, it cannot be directly observed in nature. We propose a novel experiment combining fluid dynamics and strong magnetic field physics to simulate cosmo- logical inflation. Our proposed system consists of two immiscible, weakly magnetised fluids moving through a strong magne","authors_text":"Anastasios Avgoustidis, Richard J. A. Hill, Sebastian Erne, Silke Weinfurtner, Theo Torres, Zack Fifer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-01-17T19:47:55Z","title":"Mimicking inflation with 2-fluid systems in a strong gradient magnetic field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.05843","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:c8520792f093db44dc32665c3fb48298cd4b7418ddfa71af93bb6179f44dd78b","target":"record","created_at":"2026-05-17T23:49:44Z","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":"5d9d04e38a778644965d3663827e62a3148bc605d3292f3a4bd8d09ec94bef21","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-01-17T19:47:55Z","title_canon_sha256":"56f9cdc0f5474a54813398af9a1dce5ad1b6742f20f54dd8d62afb15e125c507"},"schema_version":"1.0","source":{"id":"1801.05843","kind":"arxiv","version":1}},"canonical_sha256":"a137a7ead8497e77a9f8ad0826b11f65e47a4810d4e9259707fc0a93f1c841f2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a137a7ead8497e77a9f8ad0826b11f65e47a4810d4e9259707fc0a93f1c841f2","first_computed_at":"2026-05-17T23:49:44.136044Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:44.136044Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LIg/84jNGdnl2+1AKk6Wy5LtC89J23sgja8ohm/VPHpyluOCMRJI+5mGfFhEqDmqzzpL3BauGxe9lAg+Us2xBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:44.136754Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.05843","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c8520792f093db44dc32665c3fb48298cd4b7418ddfa71af93bb6179f44dd78b","sha256:6d92d732954478d54597e892ad0b1d3f6ea0db9d42b5839b493ca53862b9a0f2"],"state_sha256":"ce2c452343acf8f86e5edb8edb825ff5e7af1b15c12622d269540e5c7bc75106"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3C2hBLeWbjZdDkpFN4EfvylUWTZLW1sRx/MZtJimXA9B6SyFcTIhlZMUqfb/zXjV0g7tk4C9BM5XD8Qs5e5LCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T08:54:46.939015Z","bundle_sha256":"1674e58bfc99d666175cd039826350e3c47b655fa1cb4f0af8eb4b12562bbe8d"}}