{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:PJVWYETYKWXFDUFNG3VLEZOWPA","short_pith_number":"pith:PJVWYETY","canonical_record":{"source":{"id":"1703.03176","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-03-09T08:38:00Z","cross_cats_sorted":[],"title_canon_sha256":"9a5efb1dfb6608770df9b5471e5ddf5fff2e5e403497e00d16b170ad7f8995cf","abstract_canon_sha256":"b59574a69aed53fceffb8fecc02e70ec7d6db0b535b151457b5ddc05ff110967"},"schema_version":"1.0"},"canonical_sha256":"7a6b6c127855ae51d0ad36eab265d6781dc090f0553c0507ac8e1a4bbf9f315c","source":{"kind":"arxiv","id":"1703.03176","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.03176","created_at":"2026-05-18T00:19:04Z"},{"alias_kind":"arxiv_version","alias_value":"1703.03176v2","created_at":"2026-05-18T00:19:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.03176","created_at":"2026-05-18T00:19:04Z"},{"alias_kind":"pith_short_12","alias_value":"PJVWYETYKWXF","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"PJVWYETYKWXFDUFN","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"PJVWYETY","created_at":"2026-05-18T12:31:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:PJVWYETYKWXFDUFNG3VLEZOWPA","target":"record","payload":{"canonical_record":{"source":{"id":"1703.03176","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-03-09T08:38:00Z","cross_cats_sorted":[],"title_canon_sha256":"9a5efb1dfb6608770df9b5471e5ddf5fff2e5e403497e00d16b170ad7f8995cf","abstract_canon_sha256":"b59574a69aed53fceffb8fecc02e70ec7d6db0b535b151457b5ddc05ff110967"},"schema_version":"1.0"},"canonical_sha256":"7a6b6c127855ae51d0ad36eab265d6781dc090f0553c0507ac8e1a4bbf9f315c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:19:04.239692Z","signature_b64":"LCTV3lRasH1rkz/wUyHylVfL2rMreZgen87V4A3XEJoDpZ3R4MMUHApv47IP2MpqQiipFIWd/04LDIpa8kJmAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a6b6c127855ae51d0ad36eab265d6781dc090f0553c0507ac8e1a4bbf9f315c","last_reissued_at":"2026-05-18T00:19:04.239100Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:19:04.239100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.03176","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":"2026-05-18T00:19:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kApVqG2BZR2KB2m6H4tETXnH7+dFxab3cP4weCgRQn+05t5TwYLeAJA8eLGKl8Zdm9/DEDSxJ82/IH9GlpR7Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T22:11:46.797444Z"},"content_sha256":"6a8f102fa8c097caf2784241dabebc4cc4c6a313b7c5ae4153c520425783eba8","schema_version":"1.0","event_id":"sha256:6a8f102fa8c097caf2784241dabebc4cc4c6a313b7c5ae4153c520425783eba8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:PJVWYETYKWXFDUFNG3VLEZOWPA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effect of the addition of Al2O3, TiO2 and ZnO on the thermal, structural and luminescence properties of Er3+-doped phosphate glasses","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chiara Novara, Daniel Milanese, Davide Janner, Diego Pugliese, Fabrizio Giorgis, Jonathan Massera, Laeticia Petit, Nadia G. Boetti, Pablo Lopez-Iscoa, Sonia Fiorilli","submitted_at":"2017-03-09T08:38:00Z","abstract_excerpt":"Er-doped phosphate glasses were fabricated by melt-quenching technique. The changes in their thermal, structural and luminescence properties with the addition of Al2O3, TiO2 or ZnO were studied. Physical and thermal properties were investigated through density measurement and differential thermal analysis. Structural characterization was performed using the Raman and Infrared spectroscopy. In order to study the influence of the composition on the luminescence properties of the glasses, the refractive index, the luminescence spectra and the lifetime values were measured. The results show that w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.03176","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":"2026-05-18T00:19:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2W6Kf/Z3/4E5r6zBc0Bo7osIU1z47f0KbrJmgTftuLcaplSw9lkjM1iczRbFwyFGuOLsTl1U7+IGdC0MpWGJBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T22:11:46.797799Z"},"content_sha256":"66b896acacf214cf5ece0512e177c7f15e197de2e3c0d01372106c4f2be30bad","schema_version":"1.0","event_id":"sha256:66b896acacf214cf5ece0512e177c7f15e197de2e3c0d01372106c4f2be30bad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PJVWYETYKWXFDUFNG3VLEZOWPA/bundle.json","state_url":"https://pith.science/pith/PJVWYETYKWXFDUFNG3VLEZOWPA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PJVWYETYKWXFDUFNG3VLEZOWPA/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":"2026-06-02T22:11:46Z","links":{"resolver":"https://pith.science/pith/PJVWYETYKWXFDUFNG3VLEZOWPA","bundle":"https://pith.science/pith/PJVWYETYKWXFDUFNG3VLEZOWPA/bundle.json","state":"https://pith.science/pith/PJVWYETYKWXFDUFNG3VLEZOWPA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PJVWYETYKWXFDUFNG3VLEZOWPA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:PJVWYETYKWXFDUFNG3VLEZOWPA","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":"b59574a69aed53fceffb8fecc02e70ec7d6db0b535b151457b5ddc05ff110967","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-03-09T08:38:00Z","title_canon_sha256":"9a5efb1dfb6608770df9b5471e5ddf5fff2e5e403497e00d16b170ad7f8995cf"},"schema_version":"1.0","source":{"id":"1703.03176","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.03176","created_at":"2026-05-18T00:19:04Z"},{"alias_kind":"arxiv_version","alias_value":"1703.03176v2","created_at":"2026-05-18T00:19:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.03176","created_at":"2026-05-18T00:19:04Z"},{"alias_kind":"pith_short_12","alias_value":"PJVWYETYKWXF","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"PJVWYETYKWXFDUFN","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"PJVWYETY","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:66b896acacf214cf5ece0512e177c7f15e197de2e3c0d01372106c4f2be30bad","target":"graph","created_at":"2026-05-18T00:19:04Z","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":"Er-doped phosphate glasses were fabricated by melt-quenching technique. The changes in their thermal, structural and luminescence properties with the addition of Al2O3, TiO2 or ZnO were studied. Physical and thermal properties were investigated through density measurement and differential thermal analysis. Structural characterization was performed using the Raman and Infrared spectroscopy. In order to study the influence of the composition on the luminescence properties of the glasses, the refractive index, the luminescence spectra and the lifetime values were measured. The results show that w","authors_text":"Chiara Novara, Daniel Milanese, Davide Janner, Diego Pugliese, Fabrizio Giorgis, Jonathan Massera, Laeticia Petit, Nadia G. Boetti, Pablo Lopez-Iscoa, Sonia Fiorilli","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-03-09T08:38:00Z","title":"Effect of the addition of Al2O3, TiO2 and ZnO on the thermal, structural and luminescence properties of Er3+-doped phosphate glasses"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.03176","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":"sha256:6a8f102fa8c097caf2784241dabebc4cc4c6a313b7c5ae4153c520425783eba8","target":"record","created_at":"2026-05-18T00:19:04Z","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":"b59574a69aed53fceffb8fecc02e70ec7d6db0b535b151457b5ddc05ff110967","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-03-09T08:38:00Z","title_canon_sha256":"9a5efb1dfb6608770df9b5471e5ddf5fff2e5e403497e00d16b170ad7f8995cf"},"schema_version":"1.0","source":{"id":"1703.03176","kind":"arxiv","version":2}},"canonical_sha256":"7a6b6c127855ae51d0ad36eab265d6781dc090f0553c0507ac8e1a4bbf9f315c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7a6b6c127855ae51d0ad36eab265d6781dc090f0553c0507ac8e1a4bbf9f315c","first_computed_at":"2026-05-18T00:19:04.239100Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:19:04.239100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LCTV3lRasH1rkz/wUyHylVfL2rMreZgen87V4A3XEJoDpZ3R4MMUHApv47IP2MpqQiipFIWd/04LDIpa8kJmAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:19:04.239692Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.03176","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a8f102fa8c097caf2784241dabebc4cc4c6a313b7c5ae4153c520425783eba8","sha256:66b896acacf214cf5ece0512e177c7f15e197de2e3c0d01372106c4f2be30bad"],"state_sha256":"5a9cdeda5aca2126d92fb634bdd58f009b3b8e8c1a2bb24316cc1d10dae5b7ee"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5UABhYlfTR6WXaC5hM4FyRSJvKfv+eHD8PmctL6Fed7n8bcHkkvqJb3OmkxvQSTp9GuN5w11paNVebqz/H3UAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T22:11:46.799938Z","bundle_sha256":"9886ec2437c8455b7218d98f8cdae5549539a89dfa1a3ff76a06f542ace38eb9"}}