{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:HYMZYJDYHG5JILMIUAUZN4WGBW","short_pith_number":"pith:HYMZYJDY","canonical_record":{"source":{"id":"1802.04305","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-02-12T19:04:37Z","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"title_canon_sha256":"29e5c05dbf170bf01a1c09e1e989a76066ce45e4e83328e7125b4fde3d44fe05","abstract_canon_sha256":"c53a96ea0137e475a8cb7fd39ecc56550bf1fa89dc2f65ca292da61825093866"},"schema_version":"1.0"},"canonical_sha256":"3e199c247839ba942d88a02996f2c60da200c6654e469ce9721689a5988c15f8","source":{"kind":"arxiv","id":"1802.04305","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.04305","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"arxiv_version","alias_value":"1802.04305v2","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.04305","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"pith_short_12","alias_value":"HYMZYJDYHG5J","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HYMZYJDYHG5JILMI","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HYMZYJDY","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:HYMZYJDYHG5JILMIUAUZN4WGBW","target":"record","payload":{"canonical_record":{"source":{"id":"1802.04305","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-02-12T19:04:37Z","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"title_canon_sha256":"29e5c05dbf170bf01a1c09e1e989a76066ce45e4e83328e7125b4fde3d44fe05","abstract_canon_sha256":"c53a96ea0137e475a8cb7fd39ecc56550bf1fa89dc2f65ca292da61825093866"},"schema_version":"1.0"},"canonical_sha256":"3e199c247839ba942d88a02996f2c60da200c6654e469ce9721689a5988c15f8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:10.300313Z","signature_b64":"ztQw1muowB1mqK43b+6cGKUCdIrI8wp0bXS8owrxPVhkHNgtDysemy4RbieMHBTUZdt0PACp9YV7Z0uI7bleDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3e199c247839ba942d88a02996f2c60da200c6654e469ce9721689a5988c15f8","last_reissued_at":"2026-05-18T00:08:10.299832Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:10.299832Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.04305","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:08:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eKYKNGcNaclZhfYOzp/R/c4J6f0WgfhuwFLYMfk7KMSQa2Cv1LbkIOn0WGXO2ulheeMb9J2Ti7nm0Ou4z6ChCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T15:09:48.425973Z"},"content_sha256":"2b75ffe2290b94f6736319daf97bd7b97cef83282f43b2ec176158633141cba6","schema_version":"1.0","event_id":"sha256:2b75ffe2290b94f6736319daf97bd7b97cef83282f43b2ec176158633141cba6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:HYMZYJDYHG5JILMIUAUZN4WGBW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Local measurements of the mean interstellar polarization at high Galactic latitudes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"D. Blinov, G. V. Panopoulou, I. Komis, I. Liodakis, K. Tassis, R. Skalidis, V. Pavlidou","submitted_at":"2018-02-12T19:04:37Z","abstract_excerpt":"We conduct a small-scale pathfinding survey designed to identify the average polarization properties of the diffuse ISM locally at the lowest dust content regions. We perform deep optopolarimetric surveys within three $\\sim 15' \\times 15'$ regions located at $b > 48^\\circ$, using the RoboPol instrument. The observed samples of stars are photometrically complete to $\\sim$16 mag in the R-band. The selected regions exhibit low dust emission at 353 GHz and low total reddening compared to the majority of high-latitude sightlines. We measure the level of systematic uncertainty for all observing epoc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.04305","kind":"arxiv","version":2},"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":"2026-05-18T00:08:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rHA9X3c3GDe7DjISPlQm4WlgxBRTnAFafUibj+N33vqmaFlLetyYefeMeFJTthOo1v2xv9YAJR2mkVihsZ/OBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T15:09:48.426332Z"},"content_sha256":"7021258fd1b2bedfcc740445ade47a65fbb2aedbe67fdffb01aff7df7477d74f","schema_version":"1.0","event_id":"sha256:7021258fd1b2bedfcc740445ade47a65fbb2aedbe67fdffb01aff7df7477d74f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HYMZYJDYHG5JILMIUAUZN4WGBW/bundle.json","state_url":"https://pith.science/pith/HYMZYJDYHG5JILMIUAUZN4WGBW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HYMZYJDYHG5JILMIUAUZN4WGBW/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":"2026-07-03T15:09:48Z","links":{"resolver":"https://pith.science/pith/HYMZYJDYHG5JILMIUAUZN4WGBW","bundle":"https://pith.science/pith/HYMZYJDYHG5JILMIUAUZN4WGBW/bundle.json","state":"https://pith.science/pith/HYMZYJDYHG5JILMIUAUZN4WGBW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HYMZYJDYHG5JILMIUAUZN4WGBW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:HYMZYJDYHG5JILMIUAUZN4WGBW","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":"c53a96ea0137e475a8cb7fd39ecc56550bf1fa89dc2f65ca292da61825093866","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-02-12T19:04:37Z","title_canon_sha256":"29e5c05dbf170bf01a1c09e1e989a76066ce45e4e83328e7125b4fde3d44fe05"},"schema_version":"1.0","source":{"id":"1802.04305","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.04305","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"arxiv_version","alias_value":"1802.04305v2","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.04305","created_at":"2026-05-18T00:08:10Z"},{"alias_kind":"pith_short_12","alias_value":"HYMZYJDYHG5J","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HYMZYJDYHG5JILMI","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HYMZYJDY","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:7021258fd1b2bedfcc740445ade47a65fbb2aedbe67fdffb01aff7df7477d74f","target":"graph","created_at":"2026-05-18T00:08:10Z","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":"We conduct a small-scale pathfinding survey designed to identify the average polarization properties of the diffuse ISM locally at the lowest dust content regions. We perform deep optopolarimetric surveys within three $\\sim 15' \\times 15'$ regions located at $b > 48^\\circ$, using the RoboPol instrument. The observed samples of stars are photometrically complete to $\\sim$16 mag in the R-band. The selected regions exhibit low dust emission at 353 GHz and low total reddening compared to the majority of high-latitude sightlines. We measure the level of systematic uncertainty for all observing epoc","authors_text":"D. Blinov, G. V. Panopoulou, I. Komis, I. Liodakis, K. Tassis, R. Skalidis, V. Pavlidou","cross_cats":["astro-ph.CO","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-02-12T19:04:37Z","title":"Local measurements of the mean interstellar polarization at high Galactic latitudes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.04305","kind":"arxiv","version":2},"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":"sha256:2b75ffe2290b94f6736319daf97bd7b97cef83282f43b2ec176158633141cba6","target":"record","created_at":"2026-05-18T00:08:10Z","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":"c53a96ea0137e475a8cb7fd39ecc56550bf1fa89dc2f65ca292da61825093866","cross_cats_sorted":["astro-ph.CO","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-02-12T19:04:37Z","title_canon_sha256":"29e5c05dbf170bf01a1c09e1e989a76066ce45e4e83328e7125b4fde3d44fe05"},"schema_version":"1.0","source":{"id":"1802.04305","kind":"arxiv","version":2}},"canonical_sha256":"3e199c247839ba942d88a02996f2c60da200c6654e469ce9721689a5988c15f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3e199c247839ba942d88a02996f2c60da200c6654e469ce9721689a5988c15f8","first_computed_at":"2026-05-18T00:08:10.299832Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:10.299832Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ztQw1muowB1mqK43b+6cGKUCdIrI8wp0bXS8owrxPVhkHNgtDysemy4RbieMHBTUZdt0PACp9YV7Z0uI7bleDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:10.300313Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.04305","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2b75ffe2290b94f6736319daf97bd7b97cef83282f43b2ec176158633141cba6","sha256:7021258fd1b2bedfcc740445ade47a65fbb2aedbe67fdffb01aff7df7477d74f"],"state_sha256":"265abd035b11a0d0758291fb47511ee31131993110b24cd4990b91661cce27ed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PF9mcAw2oCehb89/6QiS0OedoqWAym4DbmykquEa7t0DtD9yR0qyuSCi99Q3qraAOPevNiTixvo9eDDb+pEeBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T15:09:48.428432Z","bundle_sha256":"3cd52a4503427216727fed512a0ae0ffd09c5a26db996a1a9a3e5d4b7dbf85bd"}}