{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:H5EZTLOA5DV7VZUNC34MQ4J3J2","short_pith_number":"pith:H5EZTLOA","canonical_record":{"source":{"id":"1606.08200","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-06-27T10:40:07Z","cross_cats_sorted":[],"title_canon_sha256":"afc5cbb0bf57a774c7c84a2d9a665dedfe6b2c12ed4aeabe1e720bd29d68a5dc","abstract_canon_sha256":"98617213445609455b0eef5e2bd9352e02fae323c70679d1550e7a83cf12421c"},"schema_version":"1.0"},"canonical_sha256":"3f4999adc0e8ebfae68d16f8c8713b4e913a5be4e80ff30392771e9e7facca62","source":{"kind":"arxiv","id":"1606.08200","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.08200","created_at":"2026-05-18T01:11:52Z"},{"alias_kind":"arxiv_version","alias_value":"1606.08200v1","created_at":"2026-05-18T01:11:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.08200","created_at":"2026-05-18T01:11:52Z"},{"alias_kind":"pith_short_12","alias_value":"H5EZTLOA5DV7","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"H5EZTLOA5DV7VZUN","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"H5EZTLOA","created_at":"2026-05-18T12:30:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:H5EZTLOA5DV7VZUNC34MQ4J3J2","target":"record","payload":{"canonical_record":{"source":{"id":"1606.08200","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-06-27T10:40:07Z","cross_cats_sorted":[],"title_canon_sha256":"afc5cbb0bf57a774c7c84a2d9a665dedfe6b2c12ed4aeabe1e720bd29d68a5dc","abstract_canon_sha256":"98617213445609455b0eef5e2bd9352e02fae323c70679d1550e7a83cf12421c"},"schema_version":"1.0"},"canonical_sha256":"3f4999adc0e8ebfae68d16f8c8713b4e913a5be4e80ff30392771e9e7facca62","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:11:52.569124Z","signature_b64":"oRGBzNs4Ubs+ffF2WpPjQr0h7GO2etXbg5MqExywfrTlBYXYvRy1c/POFiM0MKk7qbl5waufXbfZLJVxQaJOCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3f4999adc0e8ebfae68d16f8c8713b4e913a5be4e80ff30392771e9e7facca62","last_reissued_at":"2026-05-18T01:11:52.568798Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:11:52.568798Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1606.08200","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":"2026-05-18T01:11:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G3yp40aUScDlcmPk6QqQOUFmyZiqVxSFjBF1qHB40W0eJNE0tRFbuRTYN2epaaQeVSQCTr18CLRzmLzR7XBeAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:46:53.021058Z"},"content_sha256":"8b0519b8c523d7e9846858dc223966c35688535f3fb84a9c1772606b19e520f0","schema_version":"1.0","event_id":"sha256:8b0519b8c523d7e9846858dc223966c35688535f3fb84a9c1772606b19e520f0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:H5EZTLOA5DV7VZUNC34MQ4J3J2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Molecular echoes in space and time","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Erez Gershnabel, Gabriel Karras, Guillaume Siour, Heping Zeng, Ilya Sh. Averbukh, Jean-Michel Hartmann, Jian Wu, Junyang Ma, Kang Lin, Olivier Faucher, Peifen Lu, Qinying Ji, Qiying Song, Wenbin Zhang, Xiaochun Gong, Yehiam Prior","submitted_at":"2016-06-27T10:40:07Z","abstract_excerpt":"Mountain echoes are a well-known phenomenon, where an impulse excitation is mirrored by the rocks to generate a replica of the original stimulus, often with reverberating recurrences. For spin echoes in magnetic resonance and photon echoes in atomic and molecular systems the role of the mirror is played by a second, time delayed pulse which is able to reverse the ow of time and recreate the original event. Recently, laser-induced rotational alignment and orientation echoes were introduced for molecular gases, and discussed in terms of rotational-phase-space filamentation. Here we present, for "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.08200","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":"2026-05-18T01:11:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pJoYZkPminviCvz4RkTqs+YOjcBPFfLrbUdn8j6QDvmSjMo2OWa3CzapqzDCxP9MYuI6Je93lHsv9sp214UDBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:46:53.021763Z"},"content_sha256":"4488ab00cd57b165ac15bc876fda044a39b1f844c38b30b7c4776edde3047d76","schema_version":"1.0","event_id":"sha256:4488ab00cd57b165ac15bc876fda044a39b1f844c38b30b7c4776edde3047d76"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H5EZTLOA5DV7VZUNC34MQ4J3J2/bundle.json","state_url":"https://pith.science/pith/H5EZTLOA5DV7VZUNC34MQ4J3J2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H5EZTLOA5DV7VZUNC34MQ4J3J2/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":"2026-05-25T23:46:53Z","links":{"resolver":"https://pith.science/pith/H5EZTLOA5DV7VZUNC34MQ4J3J2","bundle":"https://pith.science/pith/H5EZTLOA5DV7VZUNC34MQ4J3J2/bundle.json","state":"https://pith.science/pith/H5EZTLOA5DV7VZUNC34MQ4J3J2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H5EZTLOA5DV7VZUNC34MQ4J3J2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:H5EZTLOA5DV7VZUNC34MQ4J3J2","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":"98617213445609455b0eef5e2bd9352e02fae323c70679d1550e7a83cf12421c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-06-27T10:40:07Z","title_canon_sha256":"afc5cbb0bf57a774c7c84a2d9a665dedfe6b2c12ed4aeabe1e720bd29d68a5dc"},"schema_version":"1.0","source":{"id":"1606.08200","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.08200","created_at":"2026-05-18T01:11:52Z"},{"alias_kind":"arxiv_version","alias_value":"1606.08200v1","created_at":"2026-05-18T01:11:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.08200","created_at":"2026-05-18T01:11:52Z"},{"alias_kind":"pith_short_12","alias_value":"H5EZTLOA5DV7","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"H5EZTLOA5DV7VZUN","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"H5EZTLOA","created_at":"2026-05-18T12:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:4488ab00cd57b165ac15bc876fda044a39b1f844c38b30b7c4776edde3047d76","target":"graph","created_at":"2026-05-18T01:11:52Z","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":"Mountain echoes are a well-known phenomenon, where an impulse excitation is mirrored by the rocks to generate a replica of the original stimulus, often with reverberating recurrences. For spin echoes in magnetic resonance and photon echoes in atomic and molecular systems the role of the mirror is played by a second, time delayed pulse which is able to reverse the ow of time and recreate the original event. Recently, laser-induced rotational alignment and orientation echoes were introduced for molecular gases, and discussed in terms of rotational-phase-space filamentation. Here we present, for ","authors_text":"Erez Gershnabel, Gabriel Karras, Guillaume Siour, Heping Zeng, Ilya Sh. Averbukh, Jean-Michel Hartmann, Jian Wu, Junyang Ma, Kang Lin, Olivier Faucher, Peifen Lu, Qinying Ji, Qiying Song, Wenbin Zhang, Xiaochun Gong, Yehiam Prior","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-06-27T10:40:07Z","title":"Molecular echoes in space and time"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.08200","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":"sha256:8b0519b8c523d7e9846858dc223966c35688535f3fb84a9c1772606b19e520f0","target":"record","created_at":"2026-05-18T01:11:52Z","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":"98617213445609455b0eef5e2bd9352e02fae323c70679d1550e7a83cf12421c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-06-27T10:40:07Z","title_canon_sha256":"afc5cbb0bf57a774c7c84a2d9a665dedfe6b2c12ed4aeabe1e720bd29d68a5dc"},"schema_version":"1.0","source":{"id":"1606.08200","kind":"arxiv","version":1}},"canonical_sha256":"3f4999adc0e8ebfae68d16f8c8713b4e913a5be4e80ff30392771e9e7facca62","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3f4999adc0e8ebfae68d16f8c8713b4e913a5be4e80ff30392771e9e7facca62","first_computed_at":"2026-05-18T01:11:52.568798Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:11:52.568798Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oRGBzNs4Ubs+ffF2WpPjQr0h7GO2etXbg5MqExywfrTlBYXYvRy1c/POFiM0MKk7qbl5waufXbfZLJVxQaJOCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:11:52.569124Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.08200","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8b0519b8c523d7e9846858dc223966c35688535f3fb84a9c1772606b19e520f0","sha256:4488ab00cd57b165ac15bc876fda044a39b1f844c38b30b7c4776edde3047d76"],"state_sha256":"f643993243ad2f208f4f580492e43f728ae5a26e0d6e41901896bd3fe8af1fff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xYq1r9gBTced5dNfEvIw6u9T16dHnkET6zYsi+Cf7giDPqxMF5DoGCLSXaeOro+WJOVilobOkRoI+0KiDMHbAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T23:46:53.025436Z","bundle_sha256":"4af329f588277ba81ccad116e3b4e29d6ab57e1fb077653e7004756982367fb7"}}