{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:JQQYHZUM72A3FKL6LOCL2OSP3A","short_pith_number":"pith:JQQYHZUM","canonical_record":{"source":{"id":"2606.18267","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2026-06-01T06:21:40Z","cross_cats_sorted":["cs.LG","cs.NE"],"title_canon_sha256":"36840b83bf5c079f7d786b10da3a35c1954defb21fa52341811922fc63ef3fd0","abstract_canon_sha256":"d14a9e14e19669190b6e8298a03dc6d061ca35b4ebeb4d32121c7d7301f5c84e"},"schema_version":"1.0"},"canonical_sha256":"4c2183e68cfe81b2a97e5b84bd3a4fd828c73d9626d485afc83dba1ae1ee4e1d","source":{"kind":"arxiv","id":"2606.18267","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18267","created_at":"2026-06-19T16:10:56Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18267v1","created_at":"2026-06-19T16:10:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18267","created_at":"2026-06-19T16:10:56Z"},{"alias_kind":"pith_short_12","alias_value":"JQQYHZUM72A3","created_at":"2026-06-19T16:10:56Z"},{"alias_kind":"pith_short_16","alias_value":"JQQYHZUM72A3FKL6","created_at":"2026-06-19T16:10:56Z"},{"alias_kind":"pith_short_8","alias_value":"JQQYHZUM","created_at":"2026-06-19T16:10:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:JQQYHZUM72A3FKL6LOCL2OSP3A","target":"record","payload":{"canonical_record":{"source":{"id":"2606.18267","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2026-06-01T06:21:40Z","cross_cats_sorted":["cs.LG","cs.NE"],"title_canon_sha256":"36840b83bf5c079f7d786b10da3a35c1954defb21fa52341811922fc63ef3fd0","abstract_canon_sha256":"d14a9e14e19669190b6e8298a03dc6d061ca35b4ebeb4d32121c7d7301f5c84e"},"schema_version":"1.0"},"canonical_sha256":"4c2183e68cfe81b2a97e5b84bd3a4fd828c73d9626d485afc83dba1ae1ee4e1d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:10:56.555677Z","signature_b64":"259ditpw2vSEe/Si9Bv8PSQXN4B9rhaMigzJSdQGklNtP+y7LdjpSXkeMYFsHw72o5iJcDHPzU0VMSZJda1gDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c2183e68cfe81b2a97e5b84bd3a4fd828c73d9626d485afc83dba1ae1ee4e1d","last_reissued_at":"2026-06-19T16:10:56.555242Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:10:56.555242Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.18267","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":"2026-06-19T16:10:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V2vp0kSg8uXrEENSD0Afj8WYpyHG7pe0D8TAoiDw7DaX9tBX8tKPEmXOOj15assWxS8X5qifttuBcL0UnOZtAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T04:59:11.034076Z"},"content_sha256":"eac351eeadde79fc83d139df7e1ddd3ed323ccfc4e34a277890349c70fe47ce2","schema_version":"1.0","event_id":"sha256:eac351eeadde79fc83d139df7e1ddd3ed323ccfc4e34a277890349c70fe47ce2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:JQQYHZUM72A3FKL6LOCL2OSP3A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Graph Instance Landscapes: When Structural Similarity Does (Not) Reflect Shortest-Path Performance","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.LG","cs.NE"],"primary_cat":"cs.SI","authors_text":"Eva Tuba, Ivana Krminac, Marko Djukanovi\\'c, Maryam Gholami Shiri, Sa\\v{s}o D\\v{z}eroski, Tome Eftimov","submitted_at":"2026-06-01T06:21:40Z","abstract_excerpt":"Benchmarking shortest-path algorithms is commonly based on aggregate performance over heterogeneous graph sets, which limits insight into how different search paradigms react to instance structure. We adopt an instance-landscape view of graph benchmarking by embedding graphs into a low-cost structural feature space and clustering them into regions of similar structure. Three benchmark suites are studied: weighted Erd\\H{o}s--R\\'enyi graphs, random geometric (wireless) graphs, and real-world road networks. We evaluate four representative shortest-path solvers spanning uninformed exact search (Di"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18267","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/2606.18267/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":"2026-06-19T16:10:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w5NkBRuWq8vhNAKz2iKFPKz5GJVoeCr7kFpZqLRXkJiIgjhmsdHk7oinzsk4KaANOPfIgjs54XDq/Ipt82g/BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T04:59:11.034474Z"},"content_sha256":"eecb40a265af7a1f1a348b9ca34ebc0df5671d7c66473f9924fd31ded18f25b8","schema_version":"1.0","event_id":"sha256:eecb40a265af7a1f1a348b9ca34ebc0df5671d7c66473f9924fd31ded18f25b8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JQQYHZUM72A3FKL6LOCL2OSP3A/bundle.json","state_url":"https://pith.science/pith/JQQYHZUM72A3FKL6LOCL2OSP3A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JQQYHZUM72A3FKL6LOCL2OSP3A/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":"2026-06-24T04:59:11Z","links":{"resolver":"https://pith.science/pith/JQQYHZUM72A3FKL6LOCL2OSP3A","bundle":"https://pith.science/pith/JQQYHZUM72A3FKL6LOCL2OSP3A/bundle.json","state":"https://pith.science/pith/JQQYHZUM72A3FKL6LOCL2OSP3A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JQQYHZUM72A3FKL6LOCL2OSP3A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:JQQYHZUM72A3FKL6LOCL2OSP3A","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":"d14a9e14e19669190b6e8298a03dc6d061ca35b4ebeb4d32121c7d7301f5c84e","cross_cats_sorted":["cs.LG","cs.NE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2026-06-01T06:21:40Z","title_canon_sha256":"36840b83bf5c079f7d786b10da3a35c1954defb21fa52341811922fc63ef3fd0"},"schema_version":"1.0","source":{"id":"2606.18267","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18267","created_at":"2026-06-19T16:10:56Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18267v1","created_at":"2026-06-19T16:10:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18267","created_at":"2026-06-19T16:10:56Z"},{"alias_kind":"pith_short_12","alias_value":"JQQYHZUM72A3","created_at":"2026-06-19T16:10:56Z"},{"alias_kind":"pith_short_16","alias_value":"JQQYHZUM72A3FKL6","created_at":"2026-06-19T16:10:56Z"},{"alias_kind":"pith_short_8","alias_value":"JQQYHZUM","created_at":"2026-06-19T16:10:56Z"}],"graph_snapshots":[{"event_id":"sha256:eecb40a265af7a1f1a348b9ca34ebc0df5671d7c66473f9924fd31ded18f25b8","target":"graph","created_at":"2026-06-19T16:10:56Z","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/2606.18267/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Benchmarking shortest-path algorithms is commonly based on aggregate performance over heterogeneous graph sets, which limits insight into how different search paradigms react to instance structure. We adopt an instance-landscape view of graph benchmarking by embedding graphs into a low-cost structural feature space and clustering them into regions of similar structure. Three benchmark suites are studied: weighted Erd\\H{o}s--R\\'enyi graphs, random geometric (wireless) graphs, and real-world road networks. We evaluate four representative shortest-path solvers spanning uninformed exact search (Di","authors_text":"Eva Tuba, Ivana Krminac, Marko Djukanovi\\'c, Maryam Gholami Shiri, Sa\\v{s}o D\\v{z}eroski, Tome Eftimov","cross_cats":["cs.LG","cs.NE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2026-06-01T06:21:40Z","title":"Graph Instance Landscapes: When Structural Similarity Does (Not) Reflect Shortest-Path Performance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18267","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:eac351eeadde79fc83d139df7e1ddd3ed323ccfc4e34a277890349c70fe47ce2","target":"record","created_at":"2026-06-19T16:10:56Z","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":"d14a9e14e19669190b6e8298a03dc6d061ca35b4ebeb4d32121c7d7301f5c84e","cross_cats_sorted":["cs.LG","cs.NE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SI","submitted_at":"2026-06-01T06:21:40Z","title_canon_sha256":"36840b83bf5c079f7d786b10da3a35c1954defb21fa52341811922fc63ef3fd0"},"schema_version":"1.0","source":{"id":"2606.18267","kind":"arxiv","version":1}},"canonical_sha256":"4c2183e68cfe81b2a97e5b84bd3a4fd828c73d9626d485afc83dba1ae1ee4e1d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4c2183e68cfe81b2a97e5b84bd3a4fd828c73d9626d485afc83dba1ae1ee4e1d","first_computed_at":"2026-06-19T16:10:56.555242Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:10:56.555242Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"259ditpw2vSEe/Si9Bv8PSQXN4B9rhaMigzJSdQGklNtP+y7LdjpSXkeMYFsHw72o5iJcDHPzU0VMSZJda1gDA==","signature_status":"signed_v1","signed_at":"2026-06-19T16:10:56.555677Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.18267","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eac351eeadde79fc83d139df7e1ddd3ed323ccfc4e34a277890349c70fe47ce2","sha256:eecb40a265af7a1f1a348b9ca34ebc0df5671d7c66473f9924fd31ded18f25b8"],"state_sha256":"4419723ab512c516615691701748beb4826189b8479437cd25cb13e87e038db1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wgp+gm6xf+Fk7mT+Ax+XYr0GrboneUMJtgJY/GpZUQYip0pTSQ3m1aRbPDTzYBK+nzegktH+n73ruA50pG+gAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T04:59:11.036538Z","bundle_sha256":"fb18e764506e3deb1c8c952cd6f27718f5b543233d9331285f151b1ca35352bb"}}