{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:Y3K6UDTBITFYGVC3YL4R6XIEG7","short_pith_number":"pith:Y3K6UDTB","canonical_record":{"source":{"id":"1210.3966","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-10-15T10:13:33Z","cross_cats_sorted":[],"title_canon_sha256":"6f20c50b5bf6ada05320d45a0bc76c480f429e9a9f0bcb08627e7796b2b9e40a","abstract_canon_sha256":"1ef20349f6e8683ab57c89a3c8045c96c57b8092b07b225a6f340b1ca920dafa"},"schema_version":"1.0"},"canonical_sha256":"c6d5ea0e6144cb83545bc2f91f5d0437d7e365390684fd411d01611c3c2a4cd8","source":{"kind":"arxiv","id":"1210.3966","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.3966","created_at":"2026-05-18T01:53:55Z"},{"alias_kind":"arxiv_version","alias_value":"1210.3966v1","created_at":"2026-05-18T01:53:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.3966","created_at":"2026-05-18T01:53:55Z"},{"alias_kind":"pith_short_12","alias_value":"Y3K6UDTBITFY","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"Y3K6UDTBITFYGVC3","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"Y3K6UDTB","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:Y3K6UDTBITFYGVC3YL4R6XIEG7","target":"record","payload":{"canonical_record":{"source":{"id":"1210.3966","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-10-15T10:13:33Z","cross_cats_sorted":[],"title_canon_sha256":"6f20c50b5bf6ada05320d45a0bc76c480f429e9a9f0bcb08627e7796b2b9e40a","abstract_canon_sha256":"1ef20349f6e8683ab57c89a3c8045c96c57b8092b07b225a6f340b1ca920dafa"},"schema_version":"1.0"},"canonical_sha256":"c6d5ea0e6144cb83545bc2f91f5d0437d7e365390684fd411d01611c3c2a4cd8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:55.349496Z","signature_b64":"bJQ2YhjfRD1k9CWTDQXYyEcQN3DF4bctQevT18mAt5+/P1+7BP27x5DZ0R7jYiDUShHCG+SpN7BFSMlXI6PaBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c6d5ea0e6144cb83545bc2f91f5d0437d7e365390684fd411d01611c3c2a4cd8","last_reissued_at":"2026-05-18T01:53:55.348761Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:55.348761Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.3966","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":"2026-05-18T01:53:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mKrfhGfLMn8c8ZUZPkeOOMPukcCmpCqNcGjiT7MgYth/hZ//rRaJkI2q+V4CSiiS8x70ST66pVQRBOScVkb3Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:19:36.435347Z"},"content_sha256":"a595277588838fb4e576fa56cd472840d8e4641509497e21c1901824689e6387","schema_version":"1.0","event_id":"sha256:a595277588838fb4e576fa56cd472840d8e4641509497e21c1901824689e6387"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:Y3K6UDTBITFYGVC3YL4R6XIEG7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comparison of 2D melting criteria in a colloidal system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Georg Maret, Patrick Dillmann, Peter Keim","submitted_at":"2012-10-15T10:13:33Z","abstract_excerpt":"We use super-paramagnetic spherical particles which are arranged in a two-dimensional monolayer at a water/air interface to investigate the crystal to liquid phase transition. According to the KTHNY theory a crystal melts in thermal equilibrium by two continuous phase transitions into the isotropic liquid state with an intermediate phase, commonly known as hexatic phase. We verify the significance of several criteria based on dynamical and structural properties to identify the crystal - hexatic and hexatic - isotropic liquid phase transition for the same experimental data of the given setup. T"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.3966","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":"2026-05-18T01:53:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KQGRhQeHYB6bHpJ6uuT62E3881QFLP8IcFL6CR/N75eaEWobZMSzXeHTNO6IsjUaY40eMaW1Z8jpXUwRiv2sAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:19:36.435709Z"},"content_sha256":"0b5e930eeaca2d95fefb5b87fedc85e1cd96dff0d2e5c2dbee09798052829e34","schema_version":"1.0","event_id":"sha256:0b5e930eeaca2d95fefb5b87fedc85e1cd96dff0d2e5c2dbee09798052829e34"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y3K6UDTBITFYGVC3YL4R6XIEG7/bundle.json","state_url":"https://pith.science/pith/Y3K6UDTBITFYGVC3YL4R6XIEG7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y3K6UDTBITFYGVC3YL4R6XIEG7/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":"2026-05-31T03:19:36Z","links":{"resolver":"https://pith.science/pith/Y3K6UDTBITFYGVC3YL4R6XIEG7","bundle":"https://pith.science/pith/Y3K6UDTBITFYGVC3YL4R6XIEG7/bundle.json","state":"https://pith.science/pith/Y3K6UDTBITFYGVC3YL4R6XIEG7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y3K6UDTBITFYGVC3YL4R6XIEG7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:Y3K6UDTBITFYGVC3YL4R6XIEG7","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":"1ef20349f6e8683ab57c89a3c8045c96c57b8092b07b225a6f340b1ca920dafa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-10-15T10:13:33Z","title_canon_sha256":"6f20c50b5bf6ada05320d45a0bc76c480f429e9a9f0bcb08627e7796b2b9e40a"},"schema_version":"1.0","source":{"id":"1210.3966","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.3966","created_at":"2026-05-18T01:53:55Z"},{"alias_kind":"arxiv_version","alias_value":"1210.3966v1","created_at":"2026-05-18T01:53:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.3966","created_at":"2026-05-18T01:53:55Z"},{"alias_kind":"pith_short_12","alias_value":"Y3K6UDTBITFY","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"Y3K6UDTBITFYGVC3","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"Y3K6UDTB","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:0b5e930eeaca2d95fefb5b87fedc85e1cd96dff0d2e5c2dbee09798052829e34","target":"graph","created_at":"2026-05-18T01:53:55Z","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":"We use super-paramagnetic spherical particles which are arranged in a two-dimensional monolayer at a water/air interface to investigate the crystal to liquid phase transition. According to the KTHNY theory a crystal melts in thermal equilibrium by two continuous phase transitions into the isotropic liquid state with an intermediate phase, commonly known as hexatic phase. We verify the significance of several criteria based on dynamical and structural properties to identify the crystal - hexatic and hexatic - isotropic liquid phase transition for the same experimental data of the given setup. T","authors_text":"Georg Maret, Patrick Dillmann, Peter Keim","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-10-15T10:13:33Z","title":"Comparison of 2D melting criteria in a colloidal system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.3966","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:a595277588838fb4e576fa56cd472840d8e4641509497e21c1901824689e6387","target":"record","created_at":"2026-05-18T01:53:55Z","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":"1ef20349f6e8683ab57c89a3c8045c96c57b8092b07b225a6f340b1ca920dafa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-10-15T10:13:33Z","title_canon_sha256":"6f20c50b5bf6ada05320d45a0bc76c480f429e9a9f0bcb08627e7796b2b9e40a"},"schema_version":"1.0","source":{"id":"1210.3966","kind":"arxiv","version":1}},"canonical_sha256":"c6d5ea0e6144cb83545bc2f91f5d0437d7e365390684fd411d01611c3c2a4cd8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c6d5ea0e6144cb83545bc2f91f5d0437d7e365390684fd411d01611c3c2a4cd8","first_computed_at":"2026-05-18T01:53:55.348761Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:55.348761Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bJQ2YhjfRD1k9CWTDQXYyEcQN3DF4bctQevT18mAt5+/P1+7BP27x5DZ0R7jYiDUShHCG+SpN7BFSMlXI6PaBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:55.349496Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.3966","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a595277588838fb4e576fa56cd472840d8e4641509497e21c1901824689e6387","sha256:0b5e930eeaca2d95fefb5b87fedc85e1cd96dff0d2e5c2dbee09798052829e34"],"state_sha256":"4b64035b267da696f47b6a9597e8092f284c2d14f368e5ecd0c5959da6cfbb0e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FSH3K85QEIWt/81/znZKkCFD3v+V2ZoKin+qNJMEA3Me4tFDqHSD5jhszXjNZOO54Zd4mPu7Od5h5T1MgmIGCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T03:19:36.437688Z","bundle_sha256":"e30cf6e2ceff7bfedf11478dc872561c63c0274331f0a10a12246181aad788ab"}}