{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:RGT74O2KM4UEPQSYZT3GMNQTHH","short_pith_number":"pith:RGT74O2K","canonical_record":{"source":{"id":"1703.04476","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2017-03-13T16:39:35Z","cross_cats_sorted":["math.AP","math.MP","quant-ph"],"title_canon_sha256":"ac22166751f3a0f33c9aba687b2a18ebd2578544d76a9787e6d044caa77e3f82","abstract_canon_sha256":"17bae4763594114fb893e6479dd5e996bdd366a35d8405f5f5e157c1beacb4c9"},"schema_version":"1.0"},"canonical_sha256":"89a7fe3b4a672847c258ccf666361339c28dfe881688467f77c60dfe292a644e","source":{"kind":"arxiv","id":"1703.04476","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.04476","created_at":"2026-07-04T23:50:42Z"},{"alias_kind":"arxiv_version","alias_value":"1703.04476v2","created_at":"2026-07-04T23:50:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.04476","created_at":"2026-07-04T23:50:42Z"},{"alias_kind":"pith_short_12","alias_value":"RGT74O2KM4UE","created_at":"2026-07-04T23:50:42Z"},{"alias_kind":"pith_short_16","alias_value":"RGT74O2KM4UEPQSY","created_at":"2026-07-04T23:50:42Z"},{"alias_kind":"pith_short_8","alias_value":"RGT74O2K","created_at":"2026-07-04T23:50:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:RGT74O2KM4UEPQSYZT3GMNQTHH","target":"record","payload":{"canonical_record":{"source":{"id":"1703.04476","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2017-03-13T16:39:35Z","cross_cats_sorted":["math.AP","math.MP","quant-ph"],"title_canon_sha256":"ac22166751f3a0f33c9aba687b2a18ebd2578544d76a9787e6d044caa77e3f82","abstract_canon_sha256":"17bae4763594114fb893e6479dd5e996bdd366a35d8405f5f5e157c1beacb4c9"},"schema_version":"1.0"},"canonical_sha256":"89a7fe3b4a672847c258ccf666361339c28dfe881688467f77c60dfe292a644e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:50:42.083754Z","signature_b64":"VCZ+RZZDxqU27pCQeK17GejsW/QI/jdtpAC3pqxgnKQjrtAgvtaBikUEcIhT1rKcmDvyHSxlzPJXpV3Q3XUZBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"89a7fe3b4a672847c258ccf666361339c28dfe881688467f77c60dfe292a644e","last_reissued_at":"2026-07-04T23:50:42.083387Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:50:42.083387Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.04476","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":"2026-07-04T23:50:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oLyE9jGbp5J1elCbk2F75JqeQ1kmQDTc7OFHCQslbHcyPfPjI/sdqa/uh4at22zgQ1NLa3ilOq5mngA5jUbzCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T22:59:37.694409Z"},"content_sha256":"d28433e787bac7fac5903cca3d710c4037f7cffef532a1d078304c214efb8d08","schema_version":"1.0","event_id":"sha256:d28433e787bac7fac5903cca3d710c4037f7cffef532a1d078304c214efb8d08"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:RGT74O2KM4UEPQSYZT3GMNQTHH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Particle Creation at a Point Source by Means of Interior-Boundary Conditions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.AP","math.MP","quant-ph"],"primary_cat":"math-ph","authors_text":"Jonas Lampart, Julian Schmidt, Roderich Tumulka, Stefan Teufel","submitted_at":"2017-03-13T16:39:35Z","abstract_excerpt":"We consider a way of defining quantum Hamiltonians involving particle creation and annihilation based on an interior-boundary condition (IBC) on the wave function, where the wave function is the particle-position representation of a vector in Fock space, and the IBC relates (essentially) the values of the wave function at any two configurations that differ only by the creation of a particle. Here we prove, for a model of particle creation at one or more point sources using the Laplace operator as the free Hamiltonian, that a Hamiltonian can indeed be rigorously defined in this way without the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.04476","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1703.04476/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":"2026-07-04T23:50:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cIKXZNkllAmR4W8aNF3fSMcaHjSw4VzMLqwvCwuyRvXUPbcYM1JXsUU1LRnSFLuKtTOEf4tkhgrWAt6oj+fsDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T22:59:37.695084Z"},"content_sha256":"cbd016d13b49df0f8e9a94c2c59adc9f85668a133ea0cf19b37ebf8f29ed5f9b","schema_version":"1.0","event_id":"sha256:cbd016d13b49df0f8e9a94c2c59adc9f85668a133ea0cf19b37ebf8f29ed5f9b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RGT74O2KM4UEPQSYZT3GMNQTHH/bundle.json","state_url":"https://pith.science/pith/RGT74O2KM4UEPQSYZT3GMNQTHH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RGT74O2KM4UEPQSYZT3GMNQTHH/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":"2026-08-13T22:59:37Z","links":{"resolver":"https://pith.science/pith/RGT74O2KM4UEPQSYZT3GMNQTHH","bundle":"https://pith.science/pith/RGT74O2KM4UEPQSYZT3GMNQTHH/bundle.json","state":"https://pith.science/pith/RGT74O2KM4UEPQSYZT3GMNQTHH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RGT74O2KM4UEPQSYZT3GMNQTHH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:RGT74O2KM4UEPQSYZT3GMNQTHH","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":"17bae4763594114fb893e6479dd5e996bdd366a35d8405f5f5e157c1beacb4c9","cross_cats_sorted":["math.AP","math.MP","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2017-03-13T16:39:35Z","title_canon_sha256":"ac22166751f3a0f33c9aba687b2a18ebd2578544d76a9787e6d044caa77e3f82"},"schema_version":"1.0","source":{"id":"1703.04476","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.04476","created_at":"2026-07-04T23:50:42Z"},{"alias_kind":"arxiv_version","alias_value":"1703.04476v2","created_at":"2026-07-04T23:50:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.04476","created_at":"2026-07-04T23:50:42Z"},{"alias_kind":"pith_short_12","alias_value":"RGT74O2KM4UE","created_at":"2026-07-04T23:50:42Z"},{"alias_kind":"pith_short_16","alias_value":"RGT74O2KM4UEPQSY","created_at":"2026-07-04T23:50:42Z"},{"alias_kind":"pith_short_8","alias_value":"RGT74O2K","created_at":"2026-07-04T23:50:42Z"}],"graph_snapshots":[{"event_id":"sha256:cbd016d13b49df0f8e9a94c2c59adc9f85668a133ea0cf19b37ebf8f29ed5f9b","target":"graph","created_at":"2026-07-04T23:50:42Z","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/1703.04476/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider a way of defining quantum Hamiltonians involving particle creation and annihilation based on an interior-boundary condition (IBC) on the wave function, where the wave function is the particle-position representation of a vector in Fock space, and the IBC relates (essentially) the values of the wave function at any two configurations that differ only by the creation of a particle. Here we prove, for a model of particle creation at one or more point sources using the Laplace operator as the free Hamiltonian, that a Hamiltonian can indeed be rigorously defined in this way without the ","authors_text":"Jonas Lampart, Julian Schmidt, Roderich Tumulka, Stefan Teufel","cross_cats":["math.AP","math.MP","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2017-03-13T16:39:35Z","title":"Particle Creation at a Point Source by Means of Interior-Boundary Conditions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.04476","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:d28433e787bac7fac5903cca3d710c4037f7cffef532a1d078304c214efb8d08","target":"record","created_at":"2026-07-04T23:50:42Z","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":"17bae4763594114fb893e6479dd5e996bdd366a35d8405f5f5e157c1beacb4c9","cross_cats_sorted":["math.AP","math.MP","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math-ph","submitted_at":"2017-03-13T16:39:35Z","title_canon_sha256":"ac22166751f3a0f33c9aba687b2a18ebd2578544d76a9787e6d044caa77e3f82"},"schema_version":"1.0","source":{"id":"1703.04476","kind":"arxiv","version":2}},"canonical_sha256":"89a7fe3b4a672847c258ccf666361339c28dfe881688467f77c60dfe292a644e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"89a7fe3b4a672847c258ccf666361339c28dfe881688467f77c60dfe292a644e","first_computed_at":"2026-07-04T23:50:42.083387Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:50:42.083387Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VCZ+RZZDxqU27pCQeK17GejsW/QI/jdtpAC3pqxgnKQjrtAgvtaBikUEcIhT1rKcmDvyHSxlzPJXpV3Q3XUZBw==","signature_status":"signed_v1","signed_at":"2026-07-04T23:50:42.083754Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.04476","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d28433e787bac7fac5903cca3d710c4037f7cffef532a1d078304c214efb8d08","sha256:cbd016d13b49df0f8e9a94c2c59adc9f85668a133ea0cf19b37ebf8f29ed5f9b"],"state_sha256":"73f03581f9e2ffe90f2c8a08e92f69f873384299894cb388c26eefc6f2f0ca0c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WD2+9K7saYrFTBa9ykvJN48VNZzmehQT2kzrd5Ym41feLhOs7kATNASXIjN1H01q9ZytKncGKuI5bBLsrBIvBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T22:59:37.710252Z","bundle_sha256":"d633100d89d937d8de7d8833dfd6ef4ba776850d7454b2b79b68081f6b66f952"}}