{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:5UFRHHNOSWFROWNU3ELVBCCBAS","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":"40c6259032cdf0bacbe65a923b7b88f447a8568d6e954ab44adbc73d09610889","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2011-06-12T04:48:54Z","title_canon_sha256":"284e7c77860e5e0d5e7983586c626e61859233d4ee73eb8faec6692cae81fa0d"},"schema_version":"1.0","source":{"id":"1106.2277","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.2277","created_at":"2026-05-18T02:01:39Z"},{"alias_kind":"arxiv_version","alias_value":"1106.2277v1","created_at":"2026-05-18T02:01:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.2277","created_at":"2026-05-18T02:01:39Z"},{"alias_kind":"pith_short_12","alias_value":"5UFRHHNOSWFR","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"5UFRHHNOSWFROWNU","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"5UFRHHNO","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:67e0797b8cb0de7ebfaf1d312fe7e1f9d31df85b747ed0fbeba680e5b2a43f0e","target":"graph","created_at":"2026-05-18T02:01:39Z","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":"This article demonstrates an undergraduate experiment for the determination of specific heat capacities of various solids based on a calorimetric approach, where the solid vaporizes a measurable mass of liquid nitrogen. We demonstrate our technique for the metals copper and aluminum, the semi-metal graphite and also present the data in relation with Einstein's model of independent harmonic oscillators and the more accurate Debye model based on vibrational modes of a continuous crystal. Furthermore, we elucidate an interesting material property, the Verwey transition in magnetite occurring arou","authors_text":"Muhammad Sabieh Anwar, Waqas Mahmood, Wasif Zia","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2011-06-12T04:48:54Z","title":"Experimental determination of heat capacities and their correlation with quantum predictions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.2277","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:e207ebb62878fabaef2a35e5d6236f349ac5cc14d37c29be437f377e24a026a6","target":"record","created_at":"2026-05-18T02:01:39Z","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":"40c6259032cdf0bacbe65a923b7b88f447a8568d6e954ab44adbc73d09610889","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2011-06-12T04:48:54Z","title_canon_sha256":"284e7c77860e5e0d5e7983586c626e61859233d4ee73eb8faec6692cae81fa0d"},"schema_version":"1.0","source":{"id":"1106.2277","kind":"arxiv","version":1}},"canonical_sha256":"ed0b139dae958b1759b4d91750884104894c5cc14036b1e61f350745996f8a41","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ed0b139dae958b1759b4d91750884104894c5cc14036b1e61f350745996f8a41","first_computed_at":"2026-05-18T02:01:39.676968Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:39.676968Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TFJJ0dK1wZSbHweHMEPezzBBpVEaiVakFsJxtPElHD43S8wMjO77jDnJGucmN/HpWc42XNRtCo+mvEyKFbX4Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:39.677495Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.2277","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e207ebb62878fabaef2a35e5d6236f349ac5cc14d37c29be437f377e24a026a6","sha256:67e0797b8cb0de7ebfaf1d312fe7e1f9d31df85b747ed0fbeba680e5b2a43f0e"],"state_sha256":"3d89442419f82a30a832bb94ea1f189a17e5ee86e62b42a76aaf3e9c9833d6e2"}