{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:EFBGE45LRHVJYOMVI5M75RGWAP","short_pith_number":"pith:EFBGE45L","canonical_record":{"source":{"id":"1705.05754","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-05-16T15:09:02Z","cross_cats_sorted":[],"title_canon_sha256":"3696067aed63cc001e37dd8f45076fb2810e598d9eff24e6342429ffbef0cd63","abstract_canon_sha256":"6414ba320b72ae2e31c15b9a3ed8088d64eca731cd8abcf2b0ed08a0add3a1ac"},"schema_version":"1.0"},"canonical_sha256":"21426273ab89ea9c39954759fec4d603d64ed72176b6bc07d0475e4d4de2da48","source":{"kind":"arxiv","id":"1705.05754","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.05754","created_at":"2026-05-18T00:44:20Z"},{"alias_kind":"arxiv_version","alias_value":"1705.05754v1","created_at":"2026-05-18T00:44:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.05754","created_at":"2026-05-18T00:44:20Z"},{"alias_kind":"pith_short_12","alias_value":"EFBGE45LRHVJ","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EFBGE45LRHVJYOMV","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EFBGE45L","created_at":"2026-05-18T12:31:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:EFBGE45LRHVJYOMVI5M75RGWAP","target":"record","payload":{"canonical_record":{"source":{"id":"1705.05754","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-05-16T15:09:02Z","cross_cats_sorted":[],"title_canon_sha256":"3696067aed63cc001e37dd8f45076fb2810e598d9eff24e6342429ffbef0cd63","abstract_canon_sha256":"6414ba320b72ae2e31c15b9a3ed8088d64eca731cd8abcf2b0ed08a0add3a1ac"},"schema_version":"1.0"},"canonical_sha256":"21426273ab89ea9c39954759fec4d603d64ed72176b6bc07d0475e4d4de2da48","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:44:20.256111Z","signature_b64":"jdrsg80EUHAgMjHwt6VCxF2yQJjP4g4FIyEtFhsn5rlsgQNpftBp02dJ5RuAT9GqCXhVyUP60eKQzYVbOvZFDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"21426273ab89ea9c39954759fec4d603d64ed72176b6bc07d0475e4d4de2da48","last_reissued_at":"2026-05-18T00:44:20.255364Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:44:20.255364Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.05754","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":"2026-05-18T00:44:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DKoePwkEmGu1cqiFdST9I/KIybDbdhAicc8ycq8zol7ZiUM17BNPu1Rky0sc5nQueUslodR3TgvtSkZAIvT0Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T17:11:49.894818Z"},"content_sha256":"028d5c0ea896c3e06f1ea9e410f52cb0e92dcb33e877db79bad44fc47b2f99b0","schema_version":"1.0","event_id":"sha256:028d5c0ea896c3e06f1ea9e410f52cb0e92dcb33e877db79bad44fc47b2f99b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:EFBGE45LRHVJYOMVI5M75RGWAP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Advances in Atomic Resolution In Situ Environmental Transmission Electron Microscopy and 1 Angstrom Aberration Corrected In Situ Electron Microscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Edward Boyes, Pratibha Gai","submitted_at":"2017-05-16T15:09:02Z","abstract_excerpt":"Advances in atomic resolution in situ environmental transmission electron microscopy for direct probing of gas-solid reactions, including at very high temperatures are described. In addition, recent developments of dynamic real time in situ studies at the Angstrom level using a hot stage in an aberration corrected environment are presented. In situ data from Pt and Pd nanoparticles on carbon with the corresponding FFT (optical diffractogram) illustrate an achieved resolution of 0.11 nm at 500 C and higher in a double aberration corrected TEM and STEM instrument employing a wider gap objective "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.05754","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":"2026-05-18T00:44:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9nLsPEgK3KOLqDukX8+FrgyGv73ZgNDWGmAYlAun7upabCYU5OEpSmK6JKbpVFiFfeBeQ0ONJ0jr2CT3hb2HAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T17:11:49.895584Z"},"content_sha256":"9413fa47664ce4601bed9d36b0ded962dd5a5ba058dba0b9bded0d861f458a25","schema_version":"1.0","event_id":"sha256:9413fa47664ce4601bed9d36b0ded962dd5a5ba058dba0b9bded0d861f458a25"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EFBGE45LRHVJYOMVI5M75RGWAP/bundle.json","state_url":"https://pith.science/pith/EFBGE45LRHVJYOMVI5M75RGWAP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EFBGE45LRHVJYOMVI5M75RGWAP/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":"2026-06-09T17:11:49Z","links":{"resolver":"https://pith.science/pith/EFBGE45LRHVJYOMVI5M75RGWAP","bundle":"https://pith.science/pith/EFBGE45LRHVJYOMVI5M75RGWAP/bundle.json","state":"https://pith.science/pith/EFBGE45LRHVJYOMVI5M75RGWAP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EFBGE45LRHVJYOMVI5M75RGWAP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:EFBGE45LRHVJYOMVI5M75RGWAP","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":"6414ba320b72ae2e31c15b9a3ed8088d64eca731cd8abcf2b0ed08a0add3a1ac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-05-16T15:09:02Z","title_canon_sha256":"3696067aed63cc001e37dd8f45076fb2810e598d9eff24e6342429ffbef0cd63"},"schema_version":"1.0","source":{"id":"1705.05754","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.05754","created_at":"2026-05-18T00:44:20Z"},{"alias_kind":"arxiv_version","alias_value":"1705.05754v1","created_at":"2026-05-18T00:44:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.05754","created_at":"2026-05-18T00:44:20Z"},{"alias_kind":"pith_short_12","alias_value":"EFBGE45LRHVJ","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_16","alias_value":"EFBGE45LRHVJYOMV","created_at":"2026-05-18T12:31:12Z"},{"alias_kind":"pith_short_8","alias_value":"EFBGE45L","created_at":"2026-05-18T12:31:12Z"}],"graph_snapshots":[{"event_id":"sha256:9413fa47664ce4601bed9d36b0ded962dd5a5ba058dba0b9bded0d861f458a25","target":"graph","created_at":"2026-05-18T00:44:20Z","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":"Advances in atomic resolution in situ environmental transmission electron microscopy for direct probing of gas-solid reactions, including at very high temperatures are described. In addition, recent developments of dynamic real time in situ studies at the Angstrom level using a hot stage in an aberration corrected environment are presented. In situ data from Pt and Pd nanoparticles on carbon with the corresponding FFT (optical diffractogram) illustrate an achieved resolution of 0.11 nm at 500 C and higher in a double aberration corrected TEM and STEM instrument employing a wider gap objective ","authors_text":"Edward Boyes, Pratibha Gai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-05-16T15:09:02Z","title":"Advances in Atomic Resolution In Situ Environmental Transmission Electron Microscopy and 1 Angstrom Aberration Corrected In Situ Electron Microscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.05754","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":"sha256:028d5c0ea896c3e06f1ea9e410f52cb0e92dcb33e877db79bad44fc47b2f99b0","target":"record","created_at":"2026-05-18T00:44:20Z","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":"6414ba320b72ae2e31c15b9a3ed8088d64eca731cd8abcf2b0ed08a0add3a1ac","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2017-05-16T15:09:02Z","title_canon_sha256":"3696067aed63cc001e37dd8f45076fb2810e598d9eff24e6342429ffbef0cd63"},"schema_version":"1.0","source":{"id":"1705.05754","kind":"arxiv","version":1}},"canonical_sha256":"21426273ab89ea9c39954759fec4d603d64ed72176b6bc07d0475e4d4de2da48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"21426273ab89ea9c39954759fec4d603d64ed72176b6bc07d0475e4d4de2da48","first_computed_at":"2026-05-18T00:44:20.255364Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:44:20.255364Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jdrsg80EUHAgMjHwt6VCxF2yQJjP4g4FIyEtFhsn5rlsgQNpftBp02dJ5RuAT9GqCXhVyUP60eKQzYVbOvZFDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:44:20.256111Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.05754","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:028d5c0ea896c3e06f1ea9e410f52cb0e92dcb33e877db79bad44fc47b2f99b0","sha256:9413fa47664ce4601bed9d36b0ded962dd5a5ba058dba0b9bded0d861f458a25"],"state_sha256":"8d409b399832ab3ad9304f9dbe4bd7803b291f982a5bb868b3e912d4f4e8dfdd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FHDMcYyWhOtsp6NNU8cuKvynns+O1tmpzEtyt7uCarFXqNbp9PTY7mWde8d+poZGHFeApxbb5iIKm6cv6BYhDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T17:11:49.899714Z","bundle_sha256":"f624a3c38be1b72273c113862989c25e75bf92aa874801c31636314b18d5eabd"}}