{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:C7WBHJTREGSIZS5OVCAMSKSPP3","short_pith_number":"pith:C7WBHJTR","canonical_record":{"source":{"id":"1509.04553","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2015-09-14T05:49:45Z","cross_cats_sorted":[],"title_canon_sha256":"e9ac910d50776a1abcfe8d7bf28099c0058606d11ba6b65c193de63e4e46246d","abstract_canon_sha256":"c9f7e99e10264396f261dc079948bda35e537ce38bd5dbbf18878e4e28144cf4"},"schema_version":"1.0"},"canonical_sha256":"17ec13a67121a48ccbaea880c92a4f7ec575c1eec0413cd5569be5570c968169","source":{"kind":"arxiv","id":"1509.04553","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.04553","created_at":"2026-05-18T00:56:46Z"},{"alias_kind":"arxiv_version","alias_value":"1509.04553v3","created_at":"2026-05-18T00:56:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.04553","created_at":"2026-05-18T00:56:46Z"},{"alias_kind":"pith_short_12","alias_value":"C7WBHJTREGSI","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"C7WBHJTREGSIZS5O","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"C7WBHJTR","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:C7WBHJTREGSIZS5OVCAMSKSPP3","target":"record","payload":{"canonical_record":{"source":{"id":"1509.04553","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2015-09-14T05:49:45Z","cross_cats_sorted":[],"title_canon_sha256":"e9ac910d50776a1abcfe8d7bf28099c0058606d11ba6b65c193de63e4e46246d","abstract_canon_sha256":"c9f7e99e10264396f261dc079948bda35e537ce38bd5dbbf18878e4e28144cf4"},"schema_version":"1.0"},"canonical_sha256":"17ec13a67121a48ccbaea880c92a4f7ec575c1eec0413cd5569be5570c968169","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:56:46.687923Z","signature_b64":"CjbfzKjC/KJreftNI1UtGhKQHX54nFlPsIdpjfkbVrXCgMyz48FElTAWE0WtHX0WACvOxLXRwRZktmWen87TBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"17ec13a67121a48ccbaea880c92a4f7ec575c1eec0413cd5569be5570c968169","last_reissued_at":"2026-05-18T00:56:46.687421Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:56:46.687421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.04553","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:56:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ULbNHmyzMofBtO/yyaQb7txTj4CBnlJDBhZ3Q8ZM3HFzSTD9CXKQMXlkn5gpI8OlRe0+Xf+WXMsNsfQ00GJlDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T21:29:30.861501Z"},"content_sha256":"7ab519b51aadf9322bb0830125a12f55c6f49f34f47644d0d52a88e2e4e988c9","schema_version":"1.0","event_id":"sha256:7ab519b51aadf9322bb0830125a12f55c6f49f34f47644d0d52a88e2e4e988c9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:C7WBHJTREGSIZS5OVCAMSKSPP3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Contagion processes on urban bus networks in Indian cities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.soc-ph","authors_text":"Atanu Chatterjee, Gitakrishnan Ramadurai, Krishna Jagannathan","submitted_at":"2015-09-14T05:49:45Z","abstract_excerpt":"Bus transportation is considered as one of the most convenient and cheapest modes of public transportation in Indian cities. Due to their cost-effectiveness and wide reachability, they help a significant portion of the human population in cities to reach their destinations every day. Although from a transportation point of view they have numerous advantages over other modes of public transportation, they also pose a serious threat of contagious diseases spreading throughout the city. The presence of numerous local spatial constraints makes the process and extent of epidemic spreading extremely"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.04553","kind":"arxiv","version":3},"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":"2026-05-18T00:56:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yshw1Rt4IQ3Dnb3goJ8rAZzaxa3jfhaxSML/nmjQ+jPjChA+K3sf7bYGrP/mUvuRPFwfy3HZh8vuDOkRM2ecDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T21:29:30.861959Z"},"content_sha256":"7b604850387f357fbb429b1ce0a0341fa990da36ce7745837c2d4870d1962434","schema_version":"1.0","event_id":"sha256:7b604850387f357fbb429b1ce0a0341fa990da36ce7745837c2d4870d1962434"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C7WBHJTREGSIZS5OVCAMSKSPP3/bundle.json","state_url":"https://pith.science/pith/C7WBHJTREGSIZS5OVCAMSKSPP3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C7WBHJTREGSIZS5OVCAMSKSPP3/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":"2026-06-25T21:29:30Z","links":{"resolver":"https://pith.science/pith/C7WBHJTREGSIZS5OVCAMSKSPP3","bundle":"https://pith.science/pith/C7WBHJTREGSIZS5OVCAMSKSPP3/bundle.json","state":"https://pith.science/pith/C7WBHJTREGSIZS5OVCAMSKSPP3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C7WBHJTREGSIZS5OVCAMSKSPP3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:C7WBHJTREGSIZS5OVCAMSKSPP3","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":"c9f7e99e10264396f261dc079948bda35e537ce38bd5dbbf18878e4e28144cf4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2015-09-14T05:49:45Z","title_canon_sha256":"e9ac910d50776a1abcfe8d7bf28099c0058606d11ba6b65c193de63e4e46246d"},"schema_version":"1.0","source":{"id":"1509.04553","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.04553","created_at":"2026-05-18T00:56:46Z"},{"alias_kind":"arxiv_version","alias_value":"1509.04553v3","created_at":"2026-05-18T00:56:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.04553","created_at":"2026-05-18T00:56:46Z"},{"alias_kind":"pith_short_12","alias_value":"C7WBHJTREGSI","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"C7WBHJTREGSIZS5O","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"C7WBHJTR","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:7b604850387f357fbb429b1ce0a0341fa990da36ce7745837c2d4870d1962434","target":"graph","created_at":"2026-05-18T00:56:46Z","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":"Bus transportation is considered as one of the most convenient and cheapest modes of public transportation in Indian cities. Due to their cost-effectiveness and wide reachability, they help a significant portion of the human population in cities to reach their destinations every day. Although from a transportation point of view they have numerous advantages over other modes of public transportation, they also pose a serious threat of contagious diseases spreading throughout the city. The presence of numerous local spatial constraints makes the process and extent of epidemic spreading extremely","authors_text":"Atanu Chatterjee, Gitakrishnan Ramadurai, Krishna Jagannathan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2015-09-14T05:49:45Z","title":"Contagion processes on urban bus networks in Indian cities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.04553","kind":"arxiv","version":3},"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":"sha256:7ab519b51aadf9322bb0830125a12f55c6f49f34f47644d0d52a88e2e4e988c9","target":"record","created_at":"2026-05-18T00:56:46Z","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":"c9f7e99e10264396f261dc079948bda35e537ce38bd5dbbf18878e4e28144cf4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2015-09-14T05:49:45Z","title_canon_sha256":"e9ac910d50776a1abcfe8d7bf28099c0058606d11ba6b65c193de63e4e46246d"},"schema_version":"1.0","source":{"id":"1509.04553","kind":"arxiv","version":3}},"canonical_sha256":"17ec13a67121a48ccbaea880c92a4f7ec575c1eec0413cd5569be5570c968169","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"17ec13a67121a48ccbaea880c92a4f7ec575c1eec0413cd5569be5570c968169","first_computed_at":"2026-05-18T00:56:46.687421Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:56:46.687421Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CjbfzKjC/KJreftNI1UtGhKQHX54nFlPsIdpjfkbVrXCgMyz48FElTAWE0WtHX0WACvOxLXRwRZktmWen87TBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:56:46.687923Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.04553","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ab519b51aadf9322bb0830125a12f55c6f49f34f47644d0d52a88e2e4e988c9","sha256:7b604850387f357fbb429b1ce0a0341fa990da36ce7745837c2d4870d1962434"],"state_sha256":"77bbae0155879c1ead609d3ae02a24106a107a6c2f029fe1213e04310f0d2579"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z53ONjQicEICSbZwyJ1+xxLIJrWiGEk+/YvtXe/j3fUCLRcPath3QodCiLxA1yQoXbdKDVztW9EeaPzqe+RJBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T21:29:30.864396Z","bundle_sha256":"8d9563e280dc9910907ad5e1049110106fdbf2fc636dd8a6a9d7f6a7c3d65de6"}}