{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:IGPL5GXJVTNRGNAM2CLGIOOWD6","short_pith_number":"pith:IGPL5GXJ","canonical_record":{"source":{"id":"1509.06844","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-09-23T05:14:17Z","cross_cats_sorted":[],"title_canon_sha256":"f2585d602fd4960528ce5427df59dad32ddd571a12589f168f76d8ad79cce54d","abstract_canon_sha256":"cdb081f7bb4185cd8028b9ef1c0ecd2e8428a68d4c61f613493f1daaed9c1861"},"schema_version":"1.0"},"canonical_sha256":"419ebe9ae9acdb13340cd0966439d61f87c0671e7fab3bf71988d4719750e067","source":{"kind":"arxiv","id":"1509.06844","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.06844","created_at":"2026-05-18T01:32:17Z"},{"alias_kind":"arxiv_version","alias_value":"1509.06844v1","created_at":"2026-05-18T01:32:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.06844","created_at":"2026-05-18T01:32:17Z"},{"alias_kind":"pith_short_12","alias_value":"IGPL5GXJVTNR","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IGPL5GXJVTNRGNAM","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IGPL5GXJ","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:IGPL5GXJVTNRGNAM2CLGIOOWD6","target":"record","payload":{"canonical_record":{"source":{"id":"1509.06844","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-09-23T05:14:17Z","cross_cats_sorted":[],"title_canon_sha256":"f2585d602fd4960528ce5427df59dad32ddd571a12589f168f76d8ad79cce54d","abstract_canon_sha256":"cdb081f7bb4185cd8028b9ef1c0ecd2e8428a68d4c61f613493f1daaed9c1861"},"schema_version":"1.0"},"canonical_sha256":"419ebe9ae9acdb13340cd0966439d61f87c0671e7fab3bf71988d4719750e067","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:17.817624Z","signature_b64":"vb84KWEXoxZmu7qj+HJIQ4smmJXxclOCA4Zs1vswpJQ0SivOK85YqkQD7aYF5Z2ay4d8F7jk64m3IVrLY7ZFDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"419ebe9ae9acdb13340cd0966439d61f87c0671e7fab3bf71988d4719750e067","last_reissued_at":"2026-05-18T01:32:17.816893Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:17.816893Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.06844","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":"2026-05-18T01:32:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i0A5He7pJXQLV5oPFMlIhxjrnjiWfLV3I2nhDe45GhkJr2oyr4vcraivLIP4Txd+GDwP5beg/533zao2ktARAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T23:51:37.032608Z"},"content_sha256":"be50d7b4ce67c67a891629507f553fc4ee96a80850cc09cf1f764d8f7cb417c9","schema_version":"1.0","event_id":"sha256:be50d7b4ce67c67a891629507f553fc4ee96a80850cc09cf1f764d8f7cb417c9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:IGPL5GXJVTNRGNAM2CLGIOOWD6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of Breathers in an Attractive Bose Gas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Carlos C.N. Kuhn, Ciaron Quinlivan, Gordon D. McDonald, John D. Close, John E. Debs, Kyle S. Hardman, Mahasen A. Sooriyabandara, Manju Perumbil, Nicholas P. Robins, Patrick J. Everitt, Paul Wigley","submitted_at":"2015-09-23T05:14:17Z","abstract_excerpt":"In weakly nonlinear dispersive systems, solitons are spatially localized solutions which propagate without changing shape through a delicate balance between dispersion and self-focusing nonlinear effects. These states have been extensively studied in Bose-Einstein condensates, where interatomic interactions give rise to such nonlinearities. Previous experimental work with matter wave solitons has been limited to static intensity profiles. The creation of matter wave breathers--dispersionless soliton-like states with collective oscillation frequencies driven by attractive mean-field interaction"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.06844","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":"2026-05-18T01:32:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ASKczxnZWqtmf6PN6H3ZoWhqe9qnSwrxFco0YMmFskv29t2YHCoL/M5CO4T/ve8i9GtwY520m0waHElBdwScAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T23:51:37.033355Z"},"content_sha256":"4c5cbc8b5edf8cddef6fa6ff139a1c9063da2d74adda0f6855853638682d8c0d","schema_version":"1.0","event_id":"sha256:4c5cbc8b5edf8cddef6fa6ff139a1c9063da2d74adda0f6855853638682d8c0d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IGPL5GXJVTNRGNAM2CLGIOOWD6/bundle.json","state_url":"https://pith.science/pith/IGPL5GXJVTNRGNAM2CLGIOOWD6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IGPL5GXJVTNRGNAM2CLGIOOWD6/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":"2026-05-31T23:51:37Z","links":{"resolver":"https://pith.science/pith/IGPL5GXJVTNRGNAM2CLGIOOWD6","bundle":"https://pith.science/pith/IGPL5GXJVTNRGNAM2CLGIOOWD6/bundle.json","state":"https://pith.science/pith/IGPL5GXJVTNRGNAM2CLGIOOWD6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IGPL5GXJVTNRGNAM2CLGIOOWD6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:IGPL5GXJVTNRGNAM2CLGIOOWD6","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":"cdb081f7bb4185cd8028b9ef1c0ecd2e8428a68d4c61f613493f1daaed9c1861","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-09-23T05:14:17Z","title_canon_sha256":"f2585d602fd4960528ce5427df59dad32ddd571a12589f168f76d8ad79cce54d"},"schema_version":"1.0","source":{"id":"1509.06844","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.06844","created_at":"2026-05-18T01:32:17Z"},{"alias_kind":"arxiv_version","alias_value":"1509.06844v1","created_at":"2026-05-18T01:32:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.06844","created_at":"2026-05-18T01:32:17Z"},{"alias_kind":"pith_short_12","alias_value":"IGPL5GXJVTNR","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IGPL5GXJVTNRGNAM","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IGPL5GXJ","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:4c5cbc8b5edf8cddef6fa6ff139a1c9063da2d74adda0f6855853638682d8c0d","target":"graph","created_at":"2026-05-18T01:32:17Z","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"},"paper":{"abstract_excerpt":"In weakly nonlinear dispersive systems, solitons are spatially localized solutions which propagate without changing shape through a delicate balance between dispersion and self-focusing nonlinear effects. These states have been extensively studied in Bose-Einstein condensates, where interatomic interactions give rise to such nonlinearities. Previous experimental work with matter wave solitons has been limited to static intensity profiles. The creation of matter wave breathers--dispersionless soliton-like states with collective oscillation frequencies driven by attractive mean-field interaction","authors_text":"Carlos C.N. Kuhn, Ciaron Quinlivan, Gordon D. McDonald, John D. Close, John E. Debs, Kyle S. Hardman, Mahasen A. Sooriyabandara, Manju Perumbil, Nicholas P. Robins, Patrick J. Everitt, Paul Wigley","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-09-23T05:14:17Z","title":"Observation of Breathers in an Attractive Bose Gas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.06844","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:be50d7b4ce67c67a891629507f553fc4ee96a80850cc09cf1f764d8f7cb417c9","target":"record","created_at":"2026-05-18T01:32:17Z","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":"cdb081f7bb4185cd8028b9ef1c0ecd2e8428a68d4c61f613493f1daaed9c1861","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-09-23T05:14:17Z","title_canon_sha256":"f2585d602fd4960528ce5427df59dad32ddd571a12589f168f76d8ad79cce54d"},"schema_version":"1.0","source":{"id":"1509.06844","kind":"arxiv","version":1}},"canonical_sha256":"419ebe9ae9acdb13340cd0966439d61f87c0671e7fab3bf71988d4719750e067","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"419ebe9ae9acdb13340cd0966439d61f87c0671e7fab3bf71988d4719750e067","first_computed_at":"2026-05-18T01:32:17.816893Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:32:17.816893Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vb84KWEXoxZmu7qj+HJIQ4smmJXxclOCA4Zs1vswpJQ0SivOK85YqkQD7aYF5Z2ay4d8F7jk64m3IVrLY7ZFDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:32:17.817624Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.06844","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:be50d7b4ce67c67a891629507f553fc4ee96a80850cc09cf1f764d8f7cb417c9","sha256:4c5cbc8b5edf8cddef6fa6ff139a1c9063da2d74adda0f6855853638682d8c0d"],"state_sha256":"7817953512a15f3b44157a7bcad1cdca773755841a04a7b3b231bc8967627a99"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y/MnDGAfNU5CRlziLuIg4IHBPcLORz28qnn1FpAGHf8OsBeuelGdduZID1EoBDAkXQ16cMkKlbD1xY5oebJoCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T23:51:37.037210Z","bundle_sha256":"80cf7f646b9dca08b012af6df69c37a32b3e62b9570f374edaf6f1dab1a005c1"}}