{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:QWMGPAWDGIO42FO4AFRF5QTE4N","short_pith_number":"pith:QWMGPAWD","canonical_record":{"source":{"id":"1310.5965","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2013-10-22T15:44:51Z","cross_cats_sorted":[],"title_canon_sha256":"ef8ad83e0e097d7ba01434f97c73d0d1b301edf2504573167e4d50ad9e770d35","abstract_canon_sha256":"3453b7be4426bf7196209d614932997d4d8725494b21a3aba7511eb8a51faed1"},"schema_version":"1.0"},"canonical_sha256":"85986782c3321dcd15dc01625ec264e343524b6b129972abb58208a618f217d7","source":{"kind":"arxiv","id":"1310.5965","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.5965","created_at":"2026-05-18T03:09:23Z"},{"alias_kind":"arxiv_version","alias_value":"1310.5965v1","created_at":"2026-05-18T03:09:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.5965","created_at":"2026-05-18T03:09:23Z"},{"alias_kind":"pith_short_12","alias_value":"QWMGPAWDGIO4","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"QWMGPAWDGIO42FO4","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"QWMGPAWD","created_at":"2026-05-18T12:27:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:QWMGPAWDGIO42FO4AFRF5QTE4N","target":"record","payload":{"canonical_record":{"source":{"id":"1310.5965","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2013-10-22T15:44:51Z","cross_cats_sorted":[],"title_canon_sha256":"ef8ad83e0e097d7ba01434f97c73d0d1b301edf2504573167e4d50ad9e770d35","abstract_canon_sha256":"3453b7be4426bf7196209d614932997d4d8725494b21a3aba7511eb8a51faed1"},"schema_version":"1.0"},"canonical_sha256":"85986782c3321dcd15dc01625ec264e343524b6b129972abb58208a618f217d7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:09:23.767891Z","signature_b64":"1fV5J88DlnBGLLDj1Hfpw86Qmbyv7zNMGBWfulCETwyLLmkLfgQ1DzIHDSwPPsm5McwwsdXR/BwppsvV4VoPBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85986782c3321dcd15dc01625ec264e343524b6b129972abb58208a618f217d7","last_reissued_at":"2026-05-18T03:09:23.767202Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:09:23.767202Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.5965","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":"2026-05-18T03:09:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JEifPROYWTjgChnscnQcBHy/Wk3Hi6Qiy8CbCNYfVkdoT1UyI3NgMkoNJa7GWu/ymVy4GxNUHDl15uWnDwAcCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T03:07:33.532811Z"},"content_sha256":"a6c161eb6173ed4cd04233aad4fdfb27f3e32dd62edf44e5fa67da783eeecd4d","schema_version":"1.0","event_id":"sha256:a6c161eb6173ed4cd04233aad4fdfb27f3e32dd62edf44e5fa67da783eeecd4d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:QWMGPAWDGIO42FO4AFRF5QTE4N","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fusion of Hyperspectral and Panchromatic Images using Spectral Uumixing Results","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Hassan Ghassemian, Roozbeh Rajabi","submitted_at":"2013-10-22T15:44:51Z","abstract_excerpt":"Hyperspectral imaging, due to providing high spectral resolution images, is one of the most important tools in the remote sensing field. Because of technological restrictions hyperspectral sensors has a limited spatial resolution. On the other hand panchromatic image has a better spatial resolution. Combining this information together can provide a better understanding of the target scene. Spectral unmixing of mixed pixels in hyperspectral images results in spectral signature and abundance fractions of endmembers but gives no information about their location in a mixed pixel. In this paper we "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.5965","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":"2026-05-18T03:09:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P2RG+D8GCC1AvnyeyZBuCtPVTe6kxJkhxRTiQ/psWnCf+PAjEQaWYv/tWuSwGpT6UfTSORZDYcaKro+vBrghBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T03:07:33.533371Z"},"content_sha256":"a280611c4024187e984f4a21b1a406986ae4e4af486a803a0edba48908725d67","schema_version":"1.0","event_id":"sha256:a280611c4024187e984f4a21b1a406986ae4e4af486a803a0edba48908725d67"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QWMGPAWDGIO42FO4AFRF5QTE4N/bundle.json","state_url":"https://pith.science/pith/QWMGPAWDGIO42FO4AFRF5QTE4N/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QWMGPAWDGIO42FO4AFRF5QTE4N/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":"2026-06-05T03:07:33Z","links":{"resolver":"https://pith.science/pith/QWMGPAWDGIO42FO4AFRF5QTE4N","bundle":"https://pith.science/pith/QWMGPAWDGIO42FO4AFRF5QTE4N/bundle.json","state":"https://pith.science/pith/QWMGPAWDGIO42FO4AFRF5QTE4N/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QWMGPAWDGIO42FO4AFRF5QTE4N/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:QWMGPAWDGIO42FO4AFRF5QTE4N","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":"3453b7be4426bf7196209d614932997d4d8725494b21a3aba7511eb8a51faed1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2013-10-22T15:44:51Z","title_canon_sha256":"ef8ad83e0e097d7ba01434f97c73d0d1b301edf2504573167e4d50ad9e770d35"},"schema_version":"1.0","source":{"id":"1310.5965","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.5965","created_at":"2026-05-18T03:09:23Z"},{"alias_kind":"arxiv_version","alias_value":"1310.5965v1","created_at":"2026-05-18T03:09:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.5965","created_at":"2026-05-18T03:09:23Z"},{"alias_kind":"pith_short_12","alias_value":"QWMGPAWDGIO4","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"QWMGPAWDGIO42FO4","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"QWMGPAWD","created_at":"2026-05-18T12:27:57Z"}],"graph_snapshots":[{"event_id":"sha256:a280611c4024187e984f4a21b1a406986ae4e4af486a803a0edba48908725d67","target":"graph","created_at":"2026-05-18T03:09:23Z","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":"Hyperspectral imaging, due to providing high spectral resolution images, is one of the most important tools in the remote sensing field. Because of technological restrictions hyperspectral sensors has a limited spatial resolution. On the other hand panchromatic image has a better spatial resolution. Combining this information together can provide a better understanding of the target scene. Spectral unmixing of mixed pixels in hyperspectral images results in spectral signature and abundance fractions of endmembers but gives no information about their location in a mixed pixel. In this paper we ","authors_text":"Hassan Ghassemian, Roozbeh Rajabi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2013-10-22T15:44:51Z","title":"Fusion of Hyperspectral and Panchromatic Images using Spectral Uumixing Results"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.5965","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:a6c161eb6173ed4cd04233aad4fdfb27f3e32dd62edf44e5fa67da783eeecd4d","target":"record","created_at":"2026-05-18T03:09:23Z","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":"3453b7be4426bf7196209d614932997d4d8725494b21a3aba7511eb8a51faed1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2013-10-22T15:44:51Z","title_canon_sha256":"ef8ad83e0e097d7ba01434f97c73d0d1b301edf2504573167e4d50ad9e770d35"},"schema_version":"1.0","source":{"id":"1310.5965","kind":"arxiv","version":1}},"canonical_sha256":"85986782c3321dcd15dc01625ec264e343524b6b129972abb58208a618f217d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"85986782c3321dcd15dc01625ec264e343524b6b129972abb58208a618f217d7","first_computed_at":"2026-05-18T03:09:23.767202Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:09:23.767202Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1fV5J88DlnBGLLDj1Hfpw86Qmbyv7zNMGBWfulCETwyLLmkLfgQ1DzIHDSwPPsm5McwwsdXR/BwppsvV4VoPBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:09:23.767891Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.5965","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a6c161eb6173ed4cd04233aad4fdfb27f3e32dd62edf44e5fa67da783eeecd4d","sha256:a280611c4024187e984f4a21b1a406986ae4e4af486a803a0edba48908725d67"],"state_sha256":"21ad4d46900a8f239ab5ea60c60fd13ec3efc28633f1754b5566923ef78b9bad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QGNwFBNsCGzojGEmdl9j55LenQYbPMAnxUiMCA1SEiJXMPLKtC3Uw0aPakAPIbjTqQcMt4BJ/XTaPfCyJZXjAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T03:07:33.536490Z","bundle_sha256":"4a6a9881408b4a4e5452bec3318ad5b59947e31c4ac52414f8b0f43ff461f294"}}