{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:63ACRRURZINFGOBNSWJRWTVB6Q","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":"3ac20ba94f2f484939b95a70c45bd571f7c804c8c30d11456d56e7b215f5cef6","cross_cats_sorted":["math-ph","math.MP","math.OC","physics.app-ph","physics.chem-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-06-15T18:59:05Z","title_canon_sha256":"7f0822c2e39d62db06046bd6e0bbcf64505ad109db6d0b8bc33386c644ec2c3c"},"schema_version":"1.0","source":{"id":"2506.12941","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.12941","created_at":"2026-07-05T11:22:02Z"},{"alias_kind":"arxiv_version","alias_value":"2506.12941v1","created_at":"2026-07-05T11:22:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.12941","created_at":"2026-07-05T11:22:02Z"},{"alias_kind":"pith_short_12","alias_value":"63ACRRURZINF","created_at":"2026-07-05T11:22:02Z"},{"alias_kind":"pith_short_16","alias_value":"63ACRRURZINFGOBN","created_at":"2026-07-05T11:22:02Z"},{"alias_kind":"pith_short_8","alias_value":"63ACRRUR","created_at":"2026-07-05T11:22:02Z"}],"graph_snapshots":[{"event_id":"sha256:96b99832f862c65ca3ec8a1b8498f750871da2c6f40a90120cbdf6098e063f4c","target":"graph","created_at":"2026-07-05T11:22:02Z","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/2506.12941/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Geopolymers present a sustainable alternative to conventional binders, however, their commercial viability is hindered by a lack of standardised methods for preparing stabile activator solutions; alkaline feedstocks critical to geopolymer synthesis. This study presents a combined experimental and modelling approach to evaluate the thermochemical stability, solubility constraints, and silica speciation behaviour of sodium silicate-based activators. Using quantitative 29Si NMR analysis, thermodynamic stability and three-dimensional solubility modelling, this research identifies optimal preparati","authors_text":"Arie van Riessen, Evan Jamieson, Franca Jones, Ramon Skane, William D.A. Rickard, Xiao Sun","cross_cats":["math-ph","math.MP","math.OC","physics.app-ph","physics.chem-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-06-15T18:59:05Z","title":"Optimisation of Activator Solutions for Geopolymer Synthesis: Thermochemical Stability, Sequencing, and Standardisation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.12941","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":"sha256:5a1b2192f0d5412258493b98ad7a1860a6e266b19fb83e2a8637a6d59cda9d96","target":"record","created_at":"2026-07-05T11:22:02Z","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":"3ac20ba94f2f484939b95a70c45bd571f7c804c8c30d11456d56e7b215f5cef6","cross_cats_sorted":["math-ph","math.MP","math.OC","physics.app-ph","physics.chem-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-06-15T18:59:05Z","title_canon_sha256":"7f0822c2e39d62db06046bd6e0bbcf64505ad109db6d0b8bc33386c644ec2c3c"},"schema_version":"1.0","source":{"id":"2506.12941","kind":"arxiv","version":1}},"canonical_sha256":"f6c028c691ca1a53382d95931b4ea1f401f7f61ffdcbbecf1559b7cf669308d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f6c028c691ca1a53382d95931b4ea1f401f7f61ffdcbbecf1559b7cf669308d5","first_computed_at":"2026-07-05T11:22:02.689733Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:22:02.689733Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+AfBoJPDuOrTuBgSfJXuADmw0ggiAgFOmweNEPzDAXth+6faMecta3KqP692Poz5gKFR0EOQIbx+dasjWU5uCA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:22:02.690143Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.12941","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5a1b2192f0d5412258493b98ad7a1860a6e266b19fb83e2a8637a6d59cda9d96","sha256:96b99832f862c65ca3ec8a1b8498f750871da2c6f40a90120cbdf6098e063f4c"],"state_sha256":"4724f066d35ae966216c39fb85f1943e68b3839fc7acf7a43bb9438e94411e0c"}