{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:6T56FEJ36VWCLMLIHTFM7BJ37Q","short_pith_number":"pith:6T56FEJ3","canonical_record":{"source":{"id":"1207.6611","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-07-27T18:44:52Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"c194ce452e0055c26a3e05e93da4d029049709fb5412ffd292f58f129198dbe8","abstract_canon_sha256":"b71e8aa49d721d48a87ddaf5e2b4c9fffbb7b933003b62f14769954d028891bf"},"schema_version":"1.0"},"canonical_sha256":"f4fbe2913bf56c25b1683ccacf853bfc1a4c5e53a7e51bf57326ba48a1ad99fc","source":{"kind":"arxiv","id":"1207.6611","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.6611","created_at":"2026-05-18T03:33:48Z"},{"alias_kind":"arxiv_version","alias_value":"1207.6611v1","created_at":"2026-05-18T03:33:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.6611","created_at":"2026-05-18T03:33:48Z"},{"alias_kind":"pith_short_12","alias_value":"6T56FEJ36VWC","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6T56FEJ36VWCLMLI","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6T56FEJ3","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:6T56FEJ36VWCLMLIHTFM7BJ37Q","target":"record","payload":{"canonical_record":{"source":{"id":"1207.6611","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-07-27T18:44:52Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"c194ce452e0055c26a3e05e93da4d029049709fb5412ffd292f58f129198dbe8","abstract_canon_sha256":"b71e8aa49d721d48a87ddaf5e2b4c9fffbb7b933003b62f14769954d028891bf"},"schema_version":"1.0"},"canonical_sha256":"f4fbe2913bf56c25b1683ccacf853bfc1a4c5e53a7e51bf57326ba48a1ad99fc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:33:48.040497Z","signature_b64":"NZHBVGTVflxiDVtzXDAXo/T495PWr4cDMCn7D1J4DfVIHLB2FOJMy7QnYGjBq1ZyeMJ/nZ++2HRRf1o5CkZ8DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f4fbe2913bf56c25b1683ccacf853bfc1a4c5e53a7e51bf57326ba48a1ad99fc","last_reissued_at":"2026-05-18T03:33:48.039998Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:33:48.039998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.6611","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":"2026-05-18T03:33:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M2/UW9SbxvZQ9DSuTm8vi1xCe/BrVCf4oGR48F2X0mDW2VHaYH8YrYJxYmdnv/IK1F4mqowPA/9wjYBOzsdbBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:46:39.656222Z"},"content_sha256":"3d19c4693d33ec1b6655dda61ea3faedcd8e533fcc415dbfdb0266fc20adf7f2","schema_version":"1.0","event_id":"sha256:3d19c4693d33ec1b6655dda61ea3faedcd8e533fcc415dbfdb0266fc20adf7f2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:6T56FEJ36VWCLMLIHTFM7BJ37Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Half-Metallic Ferromagnetism in the Heusler Compound Co$_2$FeSi revealed by Resistivity, Magnetoresistance, and Anomalous Hall Effect measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Bernd B\\\"uchner, Christian G. F. Blum, Christian Hess, Dirk Bombor, Oleg Volkonskiy, Sabine Wurmehl, Steven Rodan","submitted_at":"2012-07-27T18:44:52Z","abstract_excerpt":"We present electrical transport data for single-crystalline Co$_2$FeSi which provide clear-cut evidence that this Heusler compound is truly a half-metallic ferromagnet, i.e. it possesses perfect spin-polarization. More specifically, the temperature dependence of $\\rho$ is governed by electron scattering off magnons which are thermally excited over a sizeable gap $\\Delta\\approx 100 K$ ($\\sim 9 meV$) separating the electronic majority states at the Fermi level from the unoccupied minority states. As a consequence, electron-magnon scattering is only relevant at $T\\gtrsim\\Delta$ but freezes out at"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.6611","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":"2026-05-18T03:33:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pSaEv/SltA7PgeU3EpAu8AsKHWt/UUYLuq2/ZrpINrk4b8F4g5xABOp6lpjzNPh5qmkj8Kq+wP+/mmztrZIQCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:46:39.656584Z"},"content_sha256":"f71627aab2e85775152f00c92cbf0fe5fe8ca423ce48d58dfd3c8a5ebdefebca","schema_version":"1.0","event_id":"sha256:f71627aab2e85775152f00c92cbf0fe5fe8ca423ce48d58dfd3c8a5ebdefebca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6T56FEJ36VWCLMLIHTFM7BJ37Q/bundle.json","state_url":"https://pith.science/pith/6T56FEJ36VWCLMLIHTFM7BJ37Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6T56FEJ36VWCLMLIHTFM7BJ37Q/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":"2026-06-02T15:46:39Z","links":{"resolver":"https://pith.science/pith/6T56FEJ36VWCLMLIHTFM7BJ37Q","bundle":"https://pith.science/pith/6T56FEJ36VWCLMLIHTFM7BJ37Q/bundle.json","state":"https://pith.science/pith/6T56FEJ36VWCLMLIHTFM7BJ37Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6T56FEJ36VWCLMLIHTFM7BJ37Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:6T56FEJ36VWCLMLIHTFM7BJ37Q","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":"b71e8aa49d721d48a87ddaf5e2b4c9fffbb7b933003b62f14769954d028891bf","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-07-27T18:44:52Z","title_canon_sha256":"c194ce452e0055c26a3e05e93da4d029049709fb5412ffd292f58f129198dbe8"},"schema_version":"1.0","source":{"id":"1207.6611","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.6611","created_at":"2026-05-18T03:33:48Z"},{"alias_kind":"arxiv_version","alias_value":"1207.6611v1","created_at":"2026-05-18T03:33:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.6611","created_at":"2026-05-18T03:33:48Z"},{"alias_kind":"pith_short_12","alias_value":"6T56FEJ36VWC","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6T56FEJ36VWCLMLI","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6T56FEJ3","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:f71627aab2e85775152f00c92cbf0fe5fe8ca423ce48d58dfd3c8a5ebdefebca","target":"graph","created_at":"2026-05-18T03:33:48Z","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 present electrical transport data for single-crystalline Co$_2$FeSi which provide clear-cut evidence that this Heusler compound is truly a half-metallic ferromagnet, i.e. it possesses perfect spin-polarization. More specifically, the temperature dependence of $\\rho$ is governed by electron scattering off magnons which are thermally excited over a sizeable gap $\\Delta\\approx 100 K$ ($\\sim 9 meV$) separating the electronic majority states at the Fermi level from the unoccupied minority states. As a consequence, electron-magnon scattering is only relevant at $T\\gtrsim\\Delta$ but freezes out at","authors_text":"Bernd B\\\"uchner, Christian G. F. Blum, Christian Hess, Dirk Bombor, Oleg Volkonskiy, Sabine Wurmehl, Steven Rodan","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-07-27T18:44:52Z","title":"Half-Metallic Ferromagnetism in the Heusler Compound Co$_2$FeSi revealed by Resistivity, Magnetoresistance, and Anomalous Hall Effect measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.6611","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":"sha256:3d19c4693d33ec1b6655dda61ea3faedcd8e533fcc415dbfdb0266fc20adf7f2","target":"record","created_at":"2026-05-18T03:33:48Z","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":"b71e8aa49d721d48a87ddaf5e2b4c9fffbb7b933003b62f14769954d028891bf","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-07-27T18:44:52Z","title_canon_sha256":"c194ce452e0055c26a3e05e93da4d029049709fb5412ffd292f58f129198dbe8"},"schema_version":"1.0","source":{"id":"1207.6611","kind":"arxiv","version":1}},"canonical_sha256":"f4fbe2913bf56c25b1683ccacf853bfc1a4c5e53a7e51bf57326ba48a1ad99fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f4fbe2913bf56c25b1683ccacf853bfc1a4c5e53a7e51bf57326ba48a1ad99fc","first_computed_at":"2026-05-18T03:33:48.039998Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:33:48.039998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NZHBVGTVflxiDVtzXDAXo/T495PWr4cDMCn7D1J4DfVIHLB2FOJMy7QnYGjBq1ZyeMJ/nZ++2HRRf1o5CkZ8DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:33:48.040497Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.6611","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3d19c4693d33ec1b6655dda61ea3faedcd8e533fcc415dbfdb0266fc20adf7f2","sha256:f71627aab2e85775152f00c92cbf0fe5fe8ca423ce48d58dfd3c8a5ebdefebca"],"state_sha256":"71833a1bbf88e30f661dce8c4aa5bc9ea9c16f9e61d2aca03dd8a78acb4dfd00"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LmloZOM0J9TFU0tH0c0DIlnL8htUsxmBFqxv4mP1CFadxi2p3WbqUz88rofRUgIE5lFznnQWiCLh+eGtbX6CCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T15:46:39.658538Z","bundle_sha256":"0b9b1dd25bbdb8c6842781f1d0fd1a5b72eca3e1bc902dc26cda671e83c2c473"}}