{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:RNMYO5HK6UNTCJ7ZX7AMZWLJMW","short_pith_number":"pith:RNMYO5HK","canonical_record":{"source":{"id":"2507.22164","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2025-07-29T18:54:06Z","cross_cats_sorted":[],"title_canon_sha256":"7502388dc9a890ccdf3140e2676eb1f94e20f81e06e30856730d471cf65eaf8f","abstract_canon_sha256":"64b71f8a2246c37f5e64e7fd472f49fca5faf17886cb05f456a8f31e0c7c8c20"},"schema_version":"1.0"},"canonical_sha256":"8b598774eaf51b3127f9bfc0ccd9696593af6c8f404596b9b15685859a9c0f6d","source":{"kind":"arxiv","id":"2507.22164","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.22164","created_at":"2026-07-05T11:45:17Z"},{"alias_kind":"arxiv_version","alias_value":"2507.22164v1","created_at":"2026-07-05T11:45:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.22164","created_at":"2026-07-05T11:45:17Z"},{"alias_kind":"pith_short_12","alias_value":"RNMYO5HK6UNT","created_at":"2026-07-05T11:45:17Z"},{"alias_kind":"pith_short_16","alias_value":"RNMYO5HK6UNTCJ7Z","created_at":"2026-07-05T11:45:17Z"},{"alias_kind":"pith_short_8","alias_value":"RNMYO5HK","created_at":"2026-07-05T11:45:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:RNMYO5HK6UNTCJ7ZX7AMZWLJMW","target":"record","payload":{"canonical_record":{"source":{"id":"2507.22164","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2025-07-29T18:54:06Z","cross_cats_sorted":[],"title_canon_sha256":"7502388dc9a890ccdf3140e2676eb1f94e20f81e06e30856730d471cf65eaf8f","abstract_canon_sha256":"64b71f8a2246c37f5e64e7fd472f49fca5faf17886cb05f456a8f31e0c7c8c20"},"schema_version":"1.0"},"canonical_sha256":"8b598774eaf51b3127f9bfc0ccd9696593af6c8f404596b9b15685859a9c0f6d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:45:17.446781Z","signature_b64":"UWOHwhLnlIXpHz5fl6qI4Y526Ntm6GUq/Aaux9M0amYkfWd9JzRFr6PpI3LsY15r/rKpo6t09wzBiiwfH6idAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8b598774eaf51b3127f9bfc0ccd9696593af6c8f404596b9b15685859a9c0f6d","last_reissued_at":"2026-07-05T11:45:17.446341Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:45:17.446341Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.22164","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":"2026-07-05T11:45:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nIuE/LtbfWJkNnD9DolCk0D1mnE9Z2mXHwZUGF9wx+S0+8xg0STgurYgH0PTaBpLLupqzNxwAGM8gcEtBLmwBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T02:43:51.668506Z"},"content_sha256":"4aaa8c2efa5990ea5ae1d3d23a9008904994d658b0a3b828500fa4afbe2223f2","schema_version":"1.0","event_id":"sha256:4aaa8c2efa5990ea5ae1d3d23a9008904994d658b0a3b828500fa4afbe2223f2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:RNMYO5HK6UNTCJ7ZX7AMZWLJMW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Two-photon emission from uniform acceleration: Unruh excitation, radiative decay, and field entanglement","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Arash Azizi","submitted_at":"2025-07-29T18:54:06Z","abstract_excerpt":"We analyze the two-photon emission process of a uniformly accelerated Unruh-DeWitt detector interacting with a massless scalar field in Minkowski spacetime. Using second-order perturbation theory, we derive the exact final quantum state of the field and classify the emitted photon pairs according to their directional decomposition into Unruh modes: right-right (RR), left-left (LL), and mixed (RL/LR) channels. The RR and LL contributions produce photon pairs within a single Rindler wedge, while RL and LR emissions generate entanglement across wedges. The first emission arises from a counter-rot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.22164","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2507.22164/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":"2026-07-05T11:45:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fY1xYuKPAhZsJE3zoYuMA+P8uSYM7V60rEShphG+i+O3jZe2DH8NJWl2o9JlzVgchtWa2hvT2nlBXcjsVSrHAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T02:43:51.668999Z"},"content_sha256":"dd112039f2a589c4ab6434090acb5f204e4e7b081535ec4720e95d0b0ceac1eb","schema_version":"1.0","event_id":"sha256:dd112039f2a589c4ab6434090acb5f204e4e7b081535ec4720e95d0b0ceac1eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RNMYO5HK6UNTCJ7ZX7AMZWLJMW/bundle.json","state_url":"https://pith.science/pith/RNMYO5HK6UNTCJ7ZX7AMZWLJMW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RNMYO5HK6UNTCJ7ZX7AMZWLJMW/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":"2026-08-11T02:43:51Z","links":{"resolver":"https://pith.science/pith/RNMYO5HK6UNTCJ7ZX7AMZWLJMW","bundle":"https://pith.science/pith/RNMYO5HK6UNTCJ7ZX7AMZWLJMW/bundle.json","state":"https://pith.science/pith/RNMYO5HK6UNTCJ7ZX7AMZWLJMW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RNMYO5HK6UNTCJ7ZX7AMZWLJMW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:RNMYO5HK6UNTCJ7ZX7AMZWLJMW","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":"64b71f8a2246c37f5e64e7fd472f49fca5faf17886cb05f456a8f31e0c7c8c20","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2025-07-29T18:54:06Z","title_canon_sha256":"7502388dc9a890ccdf3140e2676eb1f94e20f81e06e30856730d471cf65eaf8f"},"schema_version":"1.0","source":{"id":"2507.22164","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.22164","created_at":"2026-07-05T11:45:17Z"},{"alias_kind":"arxiv_version","alias_value":"2507.22164v1","created_at":"2026-07-05T11:45:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.22164","created_at":"2026-07-05T11:45:17Z"},{"alias_kind":"pith_short_12","alias_value":"RNMYO5HK6UNT","created_at":"2026-07-05T11:45:17Z"},{"alias_kind":"pith_short_16","alias_value":"RNMYO5HK6UNTCJ7Z","created_at":"2026-07-05T11:45:17Z"},{"alias_kind":"pith_short_8","alias_value":"RNMYO5HK","created_at":"2026-07-05T11:45:17Z"}],"graph_snapshots":[{"event_id":"sha256:dd112039f2a589c4ab6434090acb5f204e4e7b081535ec4720e95d0b0ceac1eb","target":"graph","created_at":"2026-07-05T11:45:17Z","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/2507.22164/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We analyze the two-photon emission process of a uniformly accelerated Unruh-DeWitt detector interacting with a massless scalar field in Minkowski spacetime. Using second-order perturbation theory, we derive the exact final quantum state of the field and classify the emitted photon pairs according to their directional decomposition into Unruh modes: right-right (RR), left-left (LL), and mixed (RL/LR) channels. The RR and LL contributions produce photon pairs within a single Rindler wedge, while RL and LR emissions generate entanglement across wedges. The first emission arises from a counter-rot","authors_text":"Arash Azizi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2025-07-29T18:54:06Z","title":"Two-photon emission from uniform acceleration: Unruh excitation, radiative decay, and field entanglement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.22164","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":"sha256:4aaa8c2efa5990ea5ae1d3d23a9008904994d658b0a3b828500fa4afbe2223f2","target":"record","created_at":"2026-07-05T11:45:17Z","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":"64b71f8a2246c37f5e64e7fd472f49fca5faf17886cb05f456a8f31e0c7c8c20","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2025-07-29T18:54:06Z","title_canon_sha256":"7502388dc9a890ccdf3140e2676eb1f94e20f81e06e30856730d471cf65eaf8f"},"schema_version":"1.0","source":{"id":"2507.22164","kind":"arxiv","version":1}},"canonical_sha256":"8b598774eaf51b3127f9bfc0ccd9696593af6c8f404596b9b15685859a9c0f6d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b598774eaf51b3127f9bfc0ccd9696593af6c8f404596b9b15685859a9c0f6d","first_computed_at":"2026-07-05T11:45:17.446341Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:45:17.446341Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UWOHwhLnlIXpHz5fl6qI4Y526Ntm6GUq/Aaux9M0amYkfWd9JzRFr6PpI3LsY15r/rKpo6t09wzBiiwfH6idAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:45:17.446781Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.22164","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4aaa8c2efa5990ea5ae1d3d23a9008904994d658b0a3b828500fa4afbe2223f2","sha256:dd112039f2a589c4ab6434090acb5f204e4e7b081535ec4720e95d0b0ceac1eb"],"state_sha256":"f0f6034f361f46db8c3a6d29e0c6d25c97fed332664cf6bdd9610284ae42b2d1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+iR1j5R4Tw6TxbnUPQFSmzoN1fMLjcKJkYO5y9O4ozAeVYtal0a8rtLquHr03Vz6k8hzwq1+qNP3GEdmYLCDDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T02:43:51.672967Z","bundle_sha256":"8793fd0f1d8bfc25ad1fbe5ba8a526d072c81d92599f1c2780868b7127084159"}}