{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:2S4FIC2IZLNTFLPTP4P6MDO5XG","short_pith_number":"pith:2S4FIC2I","canonical_record":{"source":{"id":"1707.09380","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2017-07-28T19:04:37Z","cross_cats_sorted":[],"title_canon_sha256":"1998822c4aac855fa7224f1e6e23e513fbc24ff40763c49adbb001c23b903f95","abstract_canon_sha256":"86c92fc68e0be9978870e84281c1241ec4cfa7085ebc5a278f07f46638133688"},"schema_version":"1.0"},"canonical_sha256":"d4b8540b48cadb32adf37f1fe60dddb99e16e4a5f56edffe519c88fee3887f39","source":{"kind":"arxiv","id":"1707.09380","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.09380","created_at":"2026-05-18T00:39:11Z"},{"alias_kind":"arxiv_version","alias_value":"1707.09380v1","created_at":"2026-05-18T00:39:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.09380","created_at":"2026-05-18T00:39:11Z"},{"alias_kind":"pith_short_12","alias_value":"2S4FIC2IZLNT","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"2S4FIC2IZLNTFLPT","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"2S4FIC2I","created_at":"2026-05-18T12:30:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:2S4FIC2IZLNTFLPTP4P6MDO5XG","target":"record","payload":{"canonical_record":{"source":{"id":"1707.09380","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2017-07-28T19:04:37Z","cross_cats_sorted":[],"title_canon_sha256":"1998822c4aac855fa7224f1e6e23e513fbc24ff40763c49adbb001c23b903f95","abstract_canon_sha256":"86c92fc68e0be9978870e84281c1241ec4cfa7085ebc5a278f07f46638133688"},"schema_version":"1.0"},"canonical_sha256":"d4b8540b48cadb32adf37f1fe60dddb99e16e4a5f56edffe519c88fee3887f39","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:39:11.514050Z","signature_b64":"aNUTvDWLd7hJ5WlODII0wNI9nqbltACcPbvfzrPHU8W/3KTKmS2/9lQOziERCepzLE6NoANaJBK0AsYTFxbZDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d4b8540b48cadb32adf37f1fe60dddb99e16e4a5f56edffe519c88fee3887f39","last_reissued_at":"2026-05-18T00:39:11.513341Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:39:11.513341Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.09380","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":"2026-05-18T00:39:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GUYP3Y5s0pll3SbqOJmElaW5qpl0ajjdBo5Y6SNjoY7JDnAj/T3OKijt+E+ENfihzBKJVPre9OVdu2dME6AoAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T01:37:18.635580Z"},"content_sha256":"5bf3c25136044289738d2d45bf98c47d52b8421b9455295deee7b4b68b89f73d","schema_version":"1.0","event_id":"sha256:5bf3c25136044289738d2d45bf98c47d52b8421b9455295deee7b4b68b89f73d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:2S4FIC2IZLNTFLPTP4P6MDO5XG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamics of homelessness in urban America","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"stat.AP","authors_text":"Chris Glynn, Emily B. Fox","submitted_at":"2017-07-28T19:04:37Z","abstract_excerpt":"The relationship between housing costs and homelessness has important implications for the way that city and county governments respond to increasing homeless populations. Though many analyses in the public policy literature have examined inter-community variation in homelessness rates to identify causal mechanisms of homelessness (Byrne et al., 2013; Lee et al., 2003; Fargo et al., 2013), few studies have examined time-varying homeless counts within the same community (McCandless et al., 2016). To examine trends in homeless population counts in the 25 largest U.S. metropolitan areas, we devel"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.09380","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":"2026-05-18T00:39:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i8xpufo22mN7BcVZLvzBbONk8Edlqi1MqbWCoXAI1Kexxnmc24JNm6ip/cQRWOP3E8fu5A9dNneEgD/QnlxZCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T01:37:18.635937Z"},"content_sha256":"ebd023fc2eedbbc8a9b3ff39e5e13f7beb08ef5fa3c8789fec7af2951f52a3e4","schema_version":"1.0","event_id":"sha256:ebd023fc2eedbbc8a9b3ff39e5e13f7beb08ef5fa3c8789fec7af2951f52a3e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2S4FIC2IZLNTFLPTP4P6MDO5XG/bundle.json","state_url":"https://pith.science/pith/2S4FIC2IZLNTFLPTP4P6MDO5XG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2S4FIC2IZLNTFLPTP4P6MDO5XG/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":"2026-06-20T01:37:18Z","links":{"resolver":"https://pith.science/pith/2S4FIC2IZLNTFLPTP4P6MDO5XG","bundle":"https://pith.science/pith/2S4FIC2IZLNTFLPTP4P6MDO5XG/bundle.json","state":"https://pith.science/pith/2S4FIC2IZLNTFLPTP4P6MDO5XG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2S4FIC2IZLNTFLPTP4P6MDO5XG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:2S4FIC2IZLNTFLPTP4P6MDO5XG","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":"86c92fc68e0be9978870e84281c1241ec4cfa7085ebc5a278f07f46638133688","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2017-07-28T19:04:37Z","title_canon_sha256":"1998822c4aac855fa7224f1e6e23e513fbc24ff40763c49adbb001c23b903f95"},"schema_version":"1.0","source":{"id":"1707.09380","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.09380","created_at":"2026-05-18T00:39:11Z"},{"alias_kind":"arxiv_version","alias_value":"1707.09380v1","created_at":"2026-05-18T00:39:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.09380","created_at":"2026-05-18T00:39:11Z"},{"alias_kind":"pith_short_12","alias_value":"2S4FIC2IZLNT","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"2S4FIC2IZLNTFLPT","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"2S4FIC2I","created_at":"2026-05-18T12:30:55Z"}],"graph_snapshots":[{"event_id":"sha256:ebd023fc2eedbbc8a9b3ff39e5e13f7beb08ef5fa3c8789fec7af2951f52a3e4","target":"graph","created_at":"2026-05-18T00:39:11Z","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":"The relationship between housing costs and homelessness has important implications for the way that city and county governments respond to increasing homeless populations. Though many analyses in the public policy literature have examined inter-community variation in homelessness rates to identify causal mechanisms of homelessness (Byrne et al., 2013; Lee et al., 2003; Fargo et al., 2013), few studies have examined time-varying homeless counts within the same community (McCandless et al., 2016). To examine trends in homeless population counts in the 25 largest U.S. metropolitan areas, we devel","authors_text":"Chris Glynn, Emily B. Fox","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2017-07-28T19:04:37Z","title":"Dynamics of homelessness in urban America"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.09380","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":"sha256:5bf3c25136044289738d2d45bf98c47d52b8421b9455295deee7b4b68b89f73d","target":"record","created_at":"2026-05-18T00:39:11Z","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":"86c92fc68e0be9978870e84281c1241ec4cfa7085ebc5a278f07f46638133688","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2017-07-28T19:04:37Z","title_canon_sha256":"1998822c4aac855fa7224f1e6e23e513fbc24ff40763c49adbb001c23b903f95"},"schema_version":"1.0","source":{"id":"1707.09380","kind":"arxiv","version":1}},"canonical_sha256":"d4b8540b48cadb32adf37f1fe60dddb99e16e4a5f56edffe519c88fee3887f39","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d4b8540b48cadb32adf37f1fe60dddb99e16e4a5f56edffe519c88fee3887f39","first_computed_at":"2026-05-18T00:39:11.513341Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:39:11.513341Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aNUTvDWLd7hJ5WlODII0wNI9nqbltACcPbvfzrPHU8W/3KTKmS2/9lQOziERCepzLE6NoANaJBK0AsYTFxbZDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:39:11.514050Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.09380","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5bf3c25136044289738d2d45bf98c47d52b8421b9455295deee7b4b68b89f73d","sha256:ebd023fc2eedbbc8a9b3ff39e5e13f7beb08ef5fa3c8789fec7af2951f52a3e4"],"state_sha256":"0afc5b89a29b05d739b39878a3dfa8defebf2060f03a3f473ddaae9e86dc43e1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kHH4hYM0BPk36L92i2uKP/0a3ggGjaNlVYWBpWBr1WmW4dEYKVXDGhvRIU4l4gOrQmstWrlhlBtCNgNrmEC0CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T01:37:18.637867Z","bundle_sha256":"9b28ad49bbf1d2c38de65561b482706cba67f0393ca874e83424276375dd29e2"}}