{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:VJHQEUJLYZS45ZE7AYFCC5ZF2V","short_pith_number":"pith:VJHQEUJL","canonical_record":{"source":{"id":"1901.07902","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2019-01-23T16:03:53Z","cross_cats_sorted":[],"title_canon_sha256":"36cecaf798c483868e0d3f4a110621ff5d75dd467f9f01bba707b9308f5f6413","abstract_canon_sha256":"37bd25647c741bc41f97256a2670a9626f61d7d0d198cc516a721024ee39ad74"},"schema_version":"1.0"},"canonical_sha256":"aa4f02512bc665cee49f060a217725d55936c4bbcaf94f03bea54b9805796fb0","source":{"kind":"arxiv","id":"1901.07902","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.07902","created_at":"2026-05-17T23:55:39Z"},{"alias_kind":"arxiv_version","alias_value":"1901.07902v1","created_at":"2026-05-17T23:55:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.07902","created_at":"2026-05-17T23:55:39Z"},{"alias_kind":"pith_short_12","alias_value":"VJHQEUJLYZS4","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"VJHQEUJLYZS45ZE7","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"VJHQEUJL","created_at":"2026-05-18T12:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:VJHQEUJLYZS45ZE7AYFCC5ZF2V","target":"record","payload":{"canonical_record":{"source":{"id":"1901.07902","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2019-01-23T16:03:53Z","cross_cats_sorted":[],"title_canon_sha256":"36cecaf798c483868e0d3f4a110621ff5d75dd467f9f01bba707b9308f5f6413","abstract_canon_sha256":"37bd25647c741bc41f97256a2670a9626f61d7d0d198cc516a721024ee39ad74"},"schema_version":"1.0"},"canonical_sha256":"aa4f02512bc665cee49f060a217725d55936c4bbcaf94f03bea54b9805796fb0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:39.503464Z","signature_b64":"fIYmi6P7PZbl5KhlVbGoxTaAD1/PwS+FEPKCakiytqp4ttEEpTLWtVPcntnQ3Zn+Le5rr0k8oYDem1ey43PEBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa4f02512bc665cee49f060a217725d55936c4bbcaf94f03bea54b9805796fb0","last_reissued_at":"2026-05-17T23:55:39.503040Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:39.503040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.07902","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":"2026-05-17T23:55:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/7Rgu8wCKrToxR4wmQTeo+PMudXTaHH4tBgJ28FI4u97/KWb8unmBWvrVjhKv36KHsddis+o9bGJtblCqUnqAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:39:30.283555Z"},"content_sha256":"4a1f1861d0c16eee7cdd07f9936c29aea8d85ca43ee71b27aa315d20c144d216","schema_version":"1.0","event_id":"sha256:4a1f1861d0c16eee7cdd07f9936c29aea8d85ca43ee71b27aa315d20c144d216"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:VJHQEUJLYZS45ZE7AYFCC5ZF2V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Determination of Power of Groove fields belonging to the wedge regions adjacent to a convex triangular obstacle associated with Dirichlet conditions subject to axially independent EM fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.class-ph","authors_text":"Sanjay Kumar, Suresh K. Shukla","submitted_at":"2019-01-23T16:03:53Z","abstract_excerpt":"A convex triangular obstacle forms a vital part of a periodic echellete grating. A triangular grating is characterized by three parameters like period, depth and flare angle. Knowledge of groove field is essential for precise designing of triangular corrugated structures for studying the blazing effect of propagating EM wave. In the present paper, an attempt has been made to determine the power of Groove fields belonging to a pair of groove regions adjacent to a convex triangular prism. Groove fields and their associated powers based on Dirichlet conditions on the groove surfaces have been det"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.07902","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":"2026-05-17T23:55:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AnbjwnVLwJyHd3NQ5h3nDVeEX1lDRaqVjqAbfwXc0Y5Xt9g7qHvR+HqTXMhXPbgw5M0BBX1tGgFCtuug/fKdAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:39:30.283897Z"},"content_sha256":"94c48d0763b284c779b1ae5ab7647dbe3976edc829509e298d0bfb2d91bec1e6","schema_version":"1.0","event_id":"sha256:94c48d0763b284c779b1ae5ab7647dbe3976edc829509e298d0bfb2d91bec1e6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VJHQEUJLYZS45ZE7AYFCC5ZF2V/bundle.json","state_url":"https://pith.science/pith/VJHQEUJLYZS45ZE7AYFCC5ZF2V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VJHQEUJLYZS45ZE7AYFCC5ZF2V/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":"2026-05-30T11:39:30Z","links":{"resolver":"https://pith.science/pith/VJHQEUJLYZS45ZE7AYFCC5ZF2V","bundle":"https://pith.science/pith/VJHQEUJLYZS45ZE7AYFCC5ZF2V/bundle.json","state":"https://pith.science/pith/VJHQEUJLYZS45ZE7AYFCC5ZF2V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VJHQEUJLYZS45ZE7AYFCC5ZF2V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:VJHQEUJLYZS45ZE7AYFCC5ZF2V","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":"37bd25647c741bc41f97256a2670a9626f61d7d0d198cc516a721024ee39ad74","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2019-01-23T16:03:53Z","title_canon_sha256":"36cecaf798c483868e0d3f4a110621ff5d75dd467f9f01bba707b9308f5f6413"},"schema_version":"1.0","source":{"id":"1901.07902","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.07902","created_at":"2026-05-17T23:55:39Z"},{"alias_kind":"arxiv_version","alias_value":"1901.07902v1","created_at":"2026-05-17T23:55:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.07902","created_at":"2026-05-17T23:55:39Z"},{"alias_kind":"pith_short_12","alias_value":"VJHQEUJLYZS4","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"VJHQEUJLYZS45ZE7","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"VJHQEUJL","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:94c48d0763b284c779b1ae5ab7647dbe3976edc829509e298d0bfb2d91bec1e6","target":"graph","created_at":"2026-05-17T23:55:39Z","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":"A convex triangular obstacle forms a vital part of a periodic echellete grating. A triangular grating is characterized by three parameters like period, depth and flare angle. Knowledge of groove field is essential for precise designing of triangular corrugated structures for studying the blazing effect of propagating EM wave. In the present paper, an attempt has been made to determine the power of Groove fields belonging to a pair of groove regions adjacent to a convex triangular prism. Groove fields and their associated powers based on Dirichlet conditions on the groove surfaces have been det","authors_text":"Sanjay Kumar, Suresh K. Shukla","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2019-01-23T16:03:53Z","title":"Determination of Power of Groove fields belonging to the wedge regions adjacent to a convex triangular obstacle associated with Dirichlet conditions subject to axially independent EM fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.07902","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":"sha256:4a1f1861d0c16eee7cdd07f9936c29aea8d85ca43ee71b27aa315d20c144d216","target":"record","created_at":"2026-05-17T23:55:39Z","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":"37bd25647c741bc41f97256a2670a9626f61d7d0d198cc516a721024ee39ad74","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2019-01-23T16:03:53Z","title_canon_sha256":"36cecaf798c483868e0d3f4a110621ff5d75dd467f9f01bba707b9308f5f6413"},"schema_version":"1.0","source":{"id":"1901.07902","kind":"arxiv","version":1}},"canonical_sha256":"aa4f02512bc665cee49f060a217725d55936c4bbcaf94f03bea54b9805796fb0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa4f02512bc665cee49f060a217725d55936c4bbcaf94f03bea54b9805796fb0","first_computed_at":"2026-05-17T23:55:39.503040Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:39.503040Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fIYmi6P7PZbl5KhlVbGoxTaAD1/PwS+FEPKCakiytqp4ttEEpTLWtVPcntnQ3Zn+Le5rr0k8oYDem1ey43PEBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:39.503464Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.07902","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4a1f1861d0c16eee7cdd07f9936c29aea8d85ca43ee71b27aa315d20c144d216","sha256:94c48d0763b284c779b1ae5ab7647dbe3976edc829509e298d0bfb2d91bec1e6"],"state_sha256":"2bd07388289b299f16a492ce913ec8a4733d7bb80a3a4abf5cd613218d8e2d37"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sqgpk9itnROyxet5mMLMgWZtnahQqbZLylVH3bT2WS4Z6kkxQmcUdcK/uaxskOtciYDjeZPRe8+nsbheeCHcAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T11:39:30.285765Z","bundle_sha256":"3c01b78533c9061a35f9ee8b5c10b97eba5c55cc3b5cf60aae1419f81ef65cf6"}}