{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:TIK46PWHTCNSRQHKSKE2K4QK75","short_pith_number":"pith:TIK46PWH","canonical_record":{"source":{"id":"2103.00015","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-02-26T19:00:03Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"0ba1b091808fc543a9e3e4a58eb4675dc8f63fb307e1c6b57d03a7664a65b960","abstract_canon_sha256":"f9d2a429c0fbfb41a8747005a0322cde96dd17432fa9b64a6a3e714336e60551"},"schema_version":"1.0"},"canonical_sha256":"9a15cf3ec7989b28c0ea9289a5720aff549bf86ffe6ee68820db7c30729644ac","source":{"kind":"arxiv","id":"2103.00015","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.00015","created_at":"2026-07-05T03:54:54Z"},{"alias_kind":"arxiv_version","alias_value":"2103.00015v1","created_at":"2026-07-05T03:54:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.00015","created_at":"2026-07-05T03:54:54Z"},{"alias_kind":"pith_short_12","alias_value":"TIK46PWHTCNS","created_at":"2026-07-05T03:54:54Z"},{"alias_kind":"pith_short_16","alias_value":"TIK46PWHTCNSRQHK","created_at":"2026-07-05T03:54:54Z"},{"alias_kind":"pith_short_8","alias_value":"TIK46PWH","created_at":"2026-07-05T03:54:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:TIK46PWHTCNSRQHKSKE2K4QK75","target":"record","payload":{"canonical_record":{"source":{"id":"2103.00015","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-02-26T19:00:03Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"0ba1b091808fc543a9e3e4a58eb4675dc8f63fb307e1c6b57d03a7664a65b960","abstract_canon_sha256":"f9d2a429c0fbfb41a8747005a0322cde96dd17432fa9b64a6a3e714336e60551"},"schema_version":"1.0"},"canonical_sha256":"9a15cf3ec7989b28c0ea9289a5720aff549bf86ffe6ee68820db7c30729644ac","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:54:54.853907Z","signature_b64":"iel/yqs1PugzsIXV9te72Xa28g/jM8qgXAGqC4pNAj0gQLWGGkKK4v01CNNyI7bvrpO/MWwseetx0o4rGbDwBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9a15cf3ec7989b28c0ea9289a5720aff549bf86ffe6ee68820db7c30729644ac","last_reissued_at":"2026-07-05T03:54:54.853450Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:54:54.853450Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2103.00015","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":"2026-07-05T03:54:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zGX0Q3h0/UhVuaVa05ss1UnbS+GNrrms6RMXKis9h/FZRjYqji0F3wGvloi0mUfPgFphnBhnO7sfNYoHvoamAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T08:50:52.933017Z"},"content_sha256":"f168c52a0a86aea4b445038b869699a0829c47381d156a1dea18983dddc9f815","schema_version":"1.0","event_id":"sha256:f168c52a0a86aea4b445038b869699a0829c47381d156a1dea18983dddc9f815"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:TIK46PWHTCNSRQHKSKE2K4QK75","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermodynamics of free and bound magnons in graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mes-hall","authors_text":"Amir Yacoby, Andrew T. Pierce, Bertrand I. Halperin, Di S. Wei, Kenji Watanabe, Patrick R. Forrester, Seung Hwan Lee, Takashi Taniguchi, Yonglong Xie","submitted_at":"2021-02-26T19:00:03Z","abstract_excerpt":"Symmetry-broken electronic phases support neutral collective excitations. For example, monolayer graphene in the quantum Hall regime hosts a nearly ideal ferromagnetic phase at filling factor $\\nu=1$ that spontaneously breaks spin rotation symmetry. This ferromagnet has been shown to support spin-wave excitations known as magnons which can be generated and detected electrically. While long-distance magnon propagation has been demonstrated via transport measurements, important thermodynamic properties of such magnon populations--including the magnon chemical potential and density--have thus far"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.00015","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2103.00015/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:54:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6jrdm/xdZtdTCFiIOX9pxtwvM0U+p0vmzA7d0bOvc9CP5Za1mjr8py1ZcBDZSkWAHZz3GhkbBp102lX7c9JAAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T08:50:52.933416Z"},"content_sha256":"462d492e462b57bcfbca8b110739182eccdb53ee97283008814041875a3886e4","schema_version":"1.0","event_id":"sha256:462d492e462b57bcfbca8b110739182eccdb53ee97283008814041875a3886e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TIK46PWHTCNSRQHKSKE2K4QK75/bundle.json","state_url":"https://pith.science/pith/TIK46PWHTCNSRQHKSKE2K4QK75/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TIK46PWHTCNSRQHKSKE2K4QK75/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":"2026-08-01T08:50:52Z","links":{"resolver":"https://pith.science/pith/TIK46PWHTCNSRQHKSKE2K4QK75","bundle":"https://pith.science/pith/TIK46PWHTCNSRQHKSKE2K4QK75/bundle.json","state":"https://pith.science/pith/TIK46PWHTCNSRQHKSKE2K4QK75/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TIK46PWHTCNSRQHKSKE2K4QK75/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:TIK46PWHTCNSRQHKSKE2K4QK75","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":"f9d2a429c0fbfb41a8747005a0322cde96dd17432fa9b64a6a3e714336e60551","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-02-26T19:00:03Z","title_canon_sha256":"0ba1b091808fc543a9e3e4a58eb4675dc8f63fb307e1c6b57d03a7664a65b960"},"schema_version":"1.0","source":{"id":"2103.00015","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.00015","created_at":"2026-07-05T03:54:54Z"},{"alias_kind":"arxiv_version","alias_value":"2103.00015v1","created_at":"2026-07-05T03:54:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.00015","created_at":"2026-07-05T03:54:54Z"},{"alias_kind":"pith_short_12","alias_value":"TIK46PWHTCNS","created_at":"2026-07-05T03:54:54Z"},{"alias_kind":"pith_short_16","alias_value":"TIK46PWHTCNSRQHK","created_at":"2026-07-05T03:54:54Z"},{"alias_kind":"pith_short_8","alias_value":"TIK46PWH","created_at":"2026-07-05T03:54:54Z"}],"graph_snapshots":[{"event_id":"sha256:462d492e462b57bcfbca8b110739182eccdb53ee97283008814041875a3886e4","target":"graph","created_at":"2026-07-05T03:54:54Z","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/2103.00015/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Symmetry-broken electronic phases support neutral collective excitations. For example, monolayer graphene in the quantum Hall regime hosts a nearly ideal ferromagnetic phase at filling factor $\\nu=1$ that spontaneously breaks spin rotation symmetry. This ferromagnet has been shown to support spin-wave excitations known as magnons which can be generated and detected electrically. While long-distance magnon propagation has been demonstrated via transport measurements, important thermodynamic properties of such magnon populations--including the magnon chemical potential and density--have thus far","authors_text":"Amir Yacoby, Andrew T. Pierce, Bertrand I. Halperin, Di S. Wei, Kenji Watanabe, Patrick R. Forrester, Seung Hwan Lee, Takashi Taniguchi, Yonglong Xie","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-02-26T19:00:03Z","title":"Thermodynamics of free and bound magnons in graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.00015","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:f168c52a0a86aea4b445038b869699a0829c47381d156a1dea18983dddc9f815","target":"record","created_at":"2026-07-05T03:54:54Z","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":"f9d2a429c0fbfb41a8747005a0322cde96dd17432fa9b64a6a3e714336e60551","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-02-26T19:00:03Z","title_canon_sha256":"0ba1b091808fc543a9e3e4a58eb4675dc8f63fb307e1c6b57d03a7664a65b960"},"schema_version":"1.0","source":{"id":"2103.00015","kind":"arxiv","version":1}},"canonical_sha256":"9a15cf3ec7989b28c0ea9289a5720aff549bf86ffe6ee68820db7c30729644ac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9a15cf3ec7989b28c0ea9289a5720aff549bf86ffe6ee68820db7c30729644ac","first_computed_at":"2026-07-05T03:54:54.853450Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:54:54.853450Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iel/yqs1PugzsIXV9te72Xa28g/jM8qgXAGqC4pNAj0gQLWGGkKK4v01CNNyI7bvrpO/MWwseetx0o4rGbDwBA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:54:54.853907Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.00015","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f168c52a0a86aea4b445038b869699a0829c47381d156a1dea18983dddc9f815","sha256:462d492e462b57bcfbca8b110739182eccdb53ee97283008814041875a3886e4"],"state_sha256":"09c6f2f1dc64d7262502e93fc2e2d99e835acea8e52cbc6480d54b8e7d57bd2d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"joHyz5eeMMfZS0hPVEHWHzxpH8wcwyXUrAtx2FrGHZEfVhAUB6pt11oFL9wWwafIYE8/ICrYHA4WlMHSfImbCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T08:50:52.936171Z","bundle_sha256":"bdaf21d67f6db036becf1361b324d6fe917fdb3aaac7351f49da189f0ae093b0"}}