{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:D677W2NOBMX4Q55T6D4PRL5SO7","short_pith_number":"pith:D677W2NO","canonical_record":{"source":{"id":"1112.3949","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-12-16T20:49:22Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"6acd56f7b50a5470650b0c5b6ee3527432933b17e6cec1c24aa80b5524c358c9","abstract_canon_sha256":"d125e458d282847919f22f437857764a63fecbd009fcd5e3a2c32271d36b049d"},"schema_version":"1.0"},"canonical_sha256":"1fbffb69ae0b2fc877b3f0f8f8afb277c3e369e39f095333433eb9fdcc7e9ea2","source":{"kind":"arxiv","id":"1112.3949","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.3949","created_at":"2026-05-18T03:46:05Z"},{"alias_kind":"arxiv_version","alias_value":"1112.3949v1","created_at":"2026-05-18T03:46:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.3949","created_at":"2026-05-18T03:46:05Z"},{"alias_kind":"pith_short_12","alias_value":"D677W2NOBMX4","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"D677W2NOBMX4Q55T","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"D677W2NO","created_at":"2026-05-18T12:26:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:D677W2NOBMX4Q55T6D4PRL5SO7","target":"record","payload":{"canonical_record":{"source":{"id":"1112.3949","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-12-16T20:49:22Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"6acd56f7b50a5470650b0c5b6ee3527432933b17e6cec1c24aa80b5524c358c9","abstract_canon_sha256":"d125e458d282847919f22f437857764a63fecbd009fcd5e3a2c32271d36b049d"},"schema_version":"1.0"},"canonical_sha256":"1fbffb69ae0b2fc877b3f0f8f8afb277c3e369e39f095333433eb9fdcc7e9ea2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:46:05.360278Z","signature_b64":"DYOWO2uKrmLEHPPiqZIImgXNpiYEIHcfJzfwshrh2NPMXQNqRtvAD8boQ0nHKc1RTKr6hlvhFrb7epRnxh4XBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1fbffb69ae0b2fc877b3f0f8f8afb277c3e369e39f095333433eb9fdcc7e9ea2","last_reissued_at":"2026-05-18T03:46:05.359698Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:46:05.359698Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1112.3949","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":"2026-05-18T03:46:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cb7PotcNGC6LKa6vjejdTfQ73dtJy0UNy8ci1DySoZ6U0CC6MTFjAY/SBdg3cqyIeSO4AJuTcLwXLP41J55kCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T00:03:18.496772Z"},"content_sha256":"caa22b84f7b3e16d4b81bf14ec9c803970de43cb1e3a689f6c44b7003a51bd45","schema_version":"1.0","event_id":"sha256:caa22b84f7b3e16d4b81bf14ec9c803970de43cb1e3a689f6c44b7003a51bd45"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:D677W2NOBMX4Q55T6D4PRL5SO7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coherent Phonon Coupling to Individual Bloch States in Photoexcited Bismuth","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Taleb-Ibrahimi, A. van Roekeghem, B. Arnaud, E. Papalazarou, I. Reshetnyak, I. Timrov, J. Faure, J. Mauchain, L. Perfetti, M. Marsi, N. Vast","submitted_at":"2011-12-16T20:49:22Z","abstract_excerpt":"We investigate the temporal evolution of the electronic states at the bismuth (111) surface by means of time and angle resolved photoelectron spectroscopy. The binding energy of bulk-like bands oscillates with the frequency of the $A_{1g}$ phonon mode whereas surface states are insensitive to the coherent displacement of the lattice. A strong dependence of the oscillation amplitude on the electronic wavevector is correctly reproduced by \\textit{ab initio} calculations of electron-phonon coupling. Besides these oscillations, all the electronic states also display a photoinduced shift towards hi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.3949","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":"2026-05-18T03:46:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BfddvuG1FRxqqUC3skl2QG38hX9btoYl+D7oGknRxt4fPYnKs05B26AqAMhwKVhpmgwYDtgzuAIc29w/pBwlBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T00:03:18.497437Z"},"content_sha256":"67528b126beaffb1bd7db2a0ea562d1621176cfc03ee75a62db572ebb075ebf6","schema_version":"1.0","event_id":"sha256:67528b126beaffb1bd7db2a0ea562d1621176cfc03ee75a62db572ebb075ebf6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D677W2NOBMX4Q55T6D4PRL5SO7/bundle.json","state_url":"https://pith.science/pith/D677W2NOBMX4Q55T6D4PRL5SO7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D677W2NOBMX4Q55T6D4PRL5SO7/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":"2026-06-02T00:03:18Z","links":{"resolver":"https://pith.science/pith/D677W2NOBMX4Q55T6D4PRL5SO7","bundle":"https://pith.science/pith/D677W2NOBMX4Q55T6D4PRL5SO7/bundle.json","state":"https://pith.science/pith/D677W2NOBMX4Q55T6D4PRL5SO7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D677W2NOBMX4Q55T6D4PRL5SO7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:D677W2NOBMX4Q55T6D4PRL5SO7","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":"d125e458d282847919f22f437857764a63fecbd009fcd5e3a2c32271d36b049d","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-12-16T20:49:22Z","title_canon_sha256":"6acd56f7b50a5470650b0c5b6ee3527432933b17e6cec1c24aa80b5524c358c9"},"schema_version":"1.0","source":{"id":"1112.3949","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.3949","created_at":"2026-05-18T03:46:05Z"},{"alias_kind":"arxiv_version","alias_value":"1112.3949v1","created_at":"2026-05-18T03:46:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.3949","created_at":"2026-05-18T03:46:05Z"},{"alias_kind":"pith_short_12","alias_value":"D677W2NOBMX4","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"D677W2NOBMX4Q55T","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"D677W2NO","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:67528b126beaffb1bd7db2a0ea562d1621176cfc03ee75a62db572ebb075ebf6","target":"graph","created_at":"2026-05-18T03:46:05Z","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 investigate the temporal evolution of the electronic states at the bismuth (111) surface by means of time and angle resolved photoelectron spectroscopy. The binding energy of bulk-like bands oscillates with the frequency of the $A_{1g}$ phonon mode whereas surface states are insensitive to the coherent displacement of the lattice. A strong dependence of the oscillation amplitude on the electronic wavevector is correctly reproduced by \\textit{ab initio} calculations of electron-phonon coupling. Besides these oscillations, all the electronic states also display a photoinduced shift towards hi","authors_text":"A. Taleb-Ibrahimi, A. van Roekeghem, B. Arnaud, E. Papalazarou, I. Reshetnyak, I. Timrov, J. Faure, J. Mauchain, L. Perfetti, M. Marsi, N. Vast","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-12-16T20:49:22Z","title":"Coherent Phonon Coupling to Individual Bloch States in Photoexcited Bismuth"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.3949","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:caa22b84f7b3e16d4b81bf14ec9c803970de43cb1e3a689f6c44b7003a51bd45","target":"record","created_at":"2026-05-18T03:46:05Z","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":"d125e458d282847919f22f437857764a63fecbd009fcd5e3a2c32271d36b049d","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-12-16T20:49:22Z","title_canon_sha256":"6acd56f7b50a5470650b0c5b6ee3527432933b17e6cec1c24aa80b5524c358c9"},"schema_version":"1.0","source":{"id":"1112.3949","kind":"arxiv","version":1}},"canonical_sha256":"1fbffb69ae0b2fc877b3f0f8f8afb277c3e369e39f095333433eb9fdcc7e9ea2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1fbffb69ae0b2fc877b3f0f8f8afb277c3e369e39f095333433eb9fdcc7e9ea2","first_computed_at":"2026-05-18T03:46:05.359698Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:46:05.359698Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DYOWO2uKrmLEHPPiqZIImgXNpiYEIHcfJzfwshrh2NPMXQNqRtvAD8boQ0nHKc1RTKr6hlvhFrb7epRnxh4XBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:46:05.360278Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.3949","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:caa22b84f7b3e16d4b81bf14ec9c803970de43cb1e3a689f6c44b7003a51bd45","sha256:67528b126beaffb1bd7db2a0ea562d1621176cfc03ee75a62db572ebb075ebf6"],"state_sha256":"032e4a6764b9d2972c08b81376785872ed1287f616fa18c894031c7bec5e08e1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nv6SqGgw3W6mTcw97UzOjqxy9+1msnqiyDWJsUkYdvpeObPpjnuy8q5XhlNmAzHLlp46e1HiC5z0zbUQy2CGAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T00:03:18.500745Z","bundle_sha256":"bb48d9e69b4ddf64b7e5f8fab15edf645337db0562aad84a6b82e68139dd70af"}}