{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:ALYDELQNTZPTUKXOQRM73XLIQJ","short_pith_number":"pith:ALYDELQN","canonical_record":{"source":{"id":"1507.03722","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-07-14T05:27:00Z","cross_cats_sorted":[],"title_canon_sha256":"2bc27ebb71fed08b7a4bd196c542180ef46073b1fe9862283ab83c107aa84831","abstract_canon_sha256":"053366f6a575b6f9fc3f58bc468a2a48c87fc6925108b8dce4adaa73f6d3ab01"},"schema_version":"1.0"},"canonical_sha256":"02f0322e0d9e5f3a2aee8459fddd688274c45e2377d26390fa2cb5be3c646dfd","source":{"kind":"arxiv","id":"1507.03722","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.03722","created_at":"2026-05-18T01:11:51Z"},{"alias_kind":"arxiv_version","alias_value":"1507.03722v2","created_at":"2026-05-18T01:11:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.03722","created_at":"2026-05-18T01:11:51Z"},{"alias_kind":"pith_short_12","alias_value":"ALYDELQNTZPT","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"ALYDELQNTZPTUKXO","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"ALYDELQN","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:ALYDELQNTZPTUKXOQRM73XLIQJ","target":"record","payload":{"canonical_record":{"source":{"id":"1507.03722","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-07-14T05:27:00Z","cross_cats_sorted":[],"title_canon_sha256":"2bc27ebb71fed08b7a4bd196c542180ef46073b1fe9862283ab83c107aa84831","abstract_canon_sha256":"053366f6a575b6f9fc3f58bc468a2a48c87fc6925108b8dce4adaa73f6d3ab01"},"schema_version":"1.0"},"canonical_sha256":"02f0322e0d9e5f3a2aee8459fddd688274c45e2377d26390fa2cb5be3c646dfd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:11:51.524577Z","signature_b64":"firt2GzRvMt0rbmZFvQ4zDdeCT65MBIW9JfxJvuf39uytZ/7GILIzt6VGPPZxeZoZgW2rriJwnRceEDZeNy/BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"02f0322e0d9e5f3a2aee8459fddd688274c45e2377d26390fa2cb5be3c646dfd","last_reissued_at":"2026-05-18T01:11:51.524229Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:11:51.524229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1507.03722","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:11:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oTNFBMoiJrJ1tbiBllixvLTw2hOEaxomNRx3yWpyyyN/MaMYomtRIKVSrGuraCUOP4Ih+y4YICzFyZLijQ1fCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T21:36:18.309232Z"},"content_sha256":"016a3282bc8fa7d8203f35458f54341bcd070da298958af7bec9b18bb7e73eec","schema_version":"1.0","event_id":"sha256:016a3282bc8fa7d8203f35458f54341bcd070da298958af7bec9b18bb7e73eec"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:ALYDELQNTZPTUKXOQRM73XLIQJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superconductivity in La1-xSmxO0.5F0.5BiS2 (x = 0.2, 0.8) under hydrostatic pressure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A.Banerjee, Ashok Ganguli, G. Kalai Selvan, Gohil Thakur, K.Manikandan, L. C. Gupta, S. Arumugam, Zeba Haque","submitted_at":"2015-07-14T05:27:00Z","abstract_excerpt":"We have investigated the pressure effect on the newly discovered samarium doped La1-xSmxO0.5F0.5BiS2 superconductors. More than threefold increase in Tc (10.3 K) is observed with external pressure (at ~1.74 GPa at a rate of 4.08 K/GPa)) for x = 0.2 composition. There is a concomitant large improvement in the quality of the superconducting transition. Beyond this pressure Tc decreases monotonously at the rate of -2.09 K/GPa. In the x = 0.8 sample, we do not observe any enhancement in Tc with application of pressure (up to 1.76 GPa). The semiconducting behavior observed in the normal state resis"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.03722","kind":"arxiv","version":2},"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":"2026-05-18T01:11:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bASS62eGeb32WG1dZhNorG5DBEFNbaLBk6vx2mmPNhEx9MgUto/5IPxdVVgvmi+STjgQDK/SVRRq4T1hKiZUCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T21:36:18.309905Z"},"content_sha256":"e10d62de5875260414e17a579f20260f78999ae330cf1b089902e7aae376416e","schema_version":"1.0","event_id":"sha256:e10d62de5875260414e17a579f20260f78999ae330cf1b089902e7aae376416e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ALYDELQNTZPTUKXOQRM73XLIQJ/bundle.json","state_url":"https://pith.science/pith/ALYDELQNTZPTUKXOQRM73XLIQJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ALYDELQNTZPTUKXOQRM73XLIQJ/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":"2026-05-30T21:36:18Z","links":{"resolver":"https://pith.science/pith/ALYDELQNTZPTUKXOQRM73XLIQJ","bundle":"https://pith.science/pith/ALYDELQNTZPTUKXOQRM73XLIQJ/bundle.json","state":"https://pith.science/pith/ALYDELQNTZPTUKXOQRM73XLIQJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ALYDELQNTZPTUKXOQRM73XLIQJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ALYDELQNTZPTUKXOQRM73XLIQJ","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":"053366f6a575b6f9fc3f58bc468a2a48c87fc6925108b8dce4adaa73f6d3ab01","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-07-14T05:27:00Z","title_canon_sha256":"2bc27ebb71fed08b7a4bd196c542180ef46073b1fe9862283ab83c107aa84831"},"schema_version":"1.0","source":{"id":"1507.03722","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.03722","created_at":"2026-05-18T01:11:51Z"},{"alias_kind":"arxiv_version","alias_value":"1507.03722v2","created_at":"2026-05-18T01:11:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.03722","created_at":"2026-05-18T01:11:51Z"},{"alias_kind":"pith_short_12","alias_value":"ALYDELQNTZPT","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"ALYDELQNTZPTUKXO","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"ALYDELQN","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:e10d62de5875260414e17a579f20260f78999ae330cf1b089902e7aae376416e","target":"graph","created_at":"2026-05-18T01:11:51Z","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 have investigated the pressure effect on the newly discovered samarium doped La1-xSmxO0.5F0.5BiS2 superconductors. More than threefold increase in Tc (10.3 K) is observed with external pressure (at ~1.74 GPa at a rate of 4.08 K/GPa)) for x = 0.2 composition. There is a concomitant large improvement in the quality of the superconducting transition. Beyond this pressure Tc decreases monotonously at the rate of -2.09 K/GPa. In the x = 0.8 sample, we do not observe any enhancement in Tc with application of pressure (up to 1.76 GPa). The semiconducting behavior observed in the normal state resis","authors_text":"A.Banerjee, Ashok Ganguli, G. Kalai Selvan, Gohil Thakur, K.Manikandan, L. C. Gupta, S. Arumugam, Zeba Haque","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-07-14T05:27:00Z","title":"Superconductivity in La1-xSmxO0.5F0.5BiS2 (x = 0.2, 0.8) under hydrostatic pressure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.03722","kind":"arxiv","version":2},"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":"sha256:016a3282bc8fa7d8203f35458f54341bcd070da298958af7bec9b18bb7e73eec","target":"record","created_at":"2026-05-18T01:11:51Z","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":"053366f6a575b6f9fc3f58bc468a2a48c87fc6925108b8dce4adaa73f6d3ab01","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-07-14T05:27:00Z","title_canon_sha256":"2bc27ebb71fed08b7a4bd196c542180ef46073b1fe9862283ab83c107aa84831"},"schema_version":"1.0","source":{"id":"1507.03722","kind":"arxiv","version":2}},"canonical_sha256":"02f0322e0d9e5f3a2aee8459fddd688274c45e2377d26390fa2cb5be3c646dfd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"02f0322e0d9e5f3a2aee8459fddd688274c45e2377d26390fa2cb5be3c646dfd","first_computed_at":"2026-05-18T01:11:51.524229Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:11:51.524229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"firt2GzRvMt0rbmZFvQ4zDdeCT65MBIW9JfxJvuf39uytZ/7GILIzt6VGPPZxeZoZgW2rriJwnRceEDZeNy/BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:11:51.524577Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.03722","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:016a3282bc8fa7d8203f35458f54341bcd070da298958af7bec9b18bb7e73eec","sha256:e10d62de5875260414e17a579f20260f78999ae330cf1b089902e7aae376416e"],"state_sha256":"e0d4490c2b45c46adbdfa14fcc6888f4f0f5c077ed4c2017b9e2e02dec3e7581"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eagZ2caGArf1u6Lv98eemavcL9MBnFriImMoY6NqFYDVChtiNJbDehG5K7n0eltR6FGFAqO3psyuYUhhm8K+Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T21:36:18.313247Z","bundle_sha256":"2303a3decfb3aaa07b5a2c9dd1e9f5a6fb085737c1234aa8d97ceae5f422742a"}}