{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:7AYHQLSYCX3DDQDLDAGSL77H4L","short_pith_number":"pith:7AYHQLSY","canonical_record":{"source":{"id":"1811.03341","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-11-08T10:19:40Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"17b063360acfaf7dfc29c4d13d6ffe9546a2119538c6cce57413545e4a537ef2","abstract_canon_sha256":"1305fbd66359e07c44ce051a046ba0353992dc8dd7abd555289a5db25919866d"},"schema_version":"1.0"},"canonical_sha256":"f830782e5815f631c06b180d25ffe7e2e8499d1b795766b5ed7350a2ba3632a2","source":{"kind":"arxiv","id":"1811.03341","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.03341","created_at":"2026-05-18T00:01:16Z"},{"alias_kind":"arxiv_version","alias_value":"1811.03341v1","created_at":"2026-05-18T00:01:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.03341","created_at":"2026-05-18T00:01:16Z"},{"alias_kind":"pith_short_12","alias_value":"7AYHQLSYCX3D","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"7AYHQLSYCX3DDQDL","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"7AYHQLSY","created_at":"2026-05-18T12:32:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:7AYHQLSYCX3DDQDLDAGSL77H4L","target":"record","payload":{"canonical_record":{"source":{"id":"1811.03341","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-11-08T10:19:40Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"17b063360acfaf7dfc29c4d13d6ffe9546a2119538c6cce57413545e4a537ef2","abstract_canon_sha256":"1305fbd66359e07c44ce051a046ba0353992dc8dd7abd555289a5db25919866d"},"schema_version":"1.0"},"canonical_sha256":"f830782e5815f631c06b180d25ffe7e2e8499d1b795766b5ed7350a2ba3632a2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:16.957188Z","signature_b64":"pyrxpT7bAFamq3ZI7VclA7nwVy/iixsfr9tMbs8zd+gmEfmewP/mnP3Kztbya4Ce4T571E2kL/Esfz99XMkUDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f830782e5815f631c06b180d25ffe7e2e8499d1b795766b5ed7350a2ba3632a2","last_reissued_at":"2026-05-18T00:01:16.956756Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:16.956756Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.03341","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":"2026-05-18T00:01:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"02lw8Pr6WEIrHCxbT93uJe3HqKEhidZVbulyShrmr/KQBrylUloaMh/nmcqQXdTMly/xLch453s+YvWRlffeBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T15:58:05.123963Z"},"content_sha256":"83e17768576e4210876a264b91a7d04574a69ba592c9ab965e7edea5d457471e","schema_version":"1.0","event_id":"sha256:83e17768576e4210876a264b91a7d04574a69ba592c9ab965e7edea5d457471e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:7AYHQLSYCX3DDQDLDAGSL77H4L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modelling Opinion Dynamics in the Age of Algorithmic Personalisation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SI"],"primary_cat":"physics.soc-ph","authors_text":"Luis E C Rocha, Nicola Perra","submitted_at":"2018-11-08T10:19:40Z","abstract_excerpt":"Modern technology has drastically changed the way we interact and consume information. For example, online social platforms allow for seamless communication exchanges at an unprecedented scale. However, we are still bounded by cognitive and temporal constraints. Our attention is limited and extremely valuable. Algorithmic personalisation has become a standard approach to tackle the information overload problem. As result, the exposure to our friends' opinions and our perception about important issues might be distorted. However, the effects of algorithmic gatekeeping on our hyper-connected soc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.03341","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":"2026-05-18T00:01:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JKHdaAM6STrf2WJvy3qhtHqfYZekhLfUdQQERPew2BJeQ+0da2BTnkMBrjdagX7nIhf40dV/nkfV0w1lsYLTBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T15:58:05.124300Z"},"content_sha256":"b57edcba8929b7b5f90caf3303782556ccf5cfa7d73a59c793c35e4fd3491c05","schema_version":"1.0","event_id":"sha256:b57edcba8929b7b5f90caf3303782556ccf5cfa7d73a59c793c35e4fd3491c05"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7AYHQLSYCX3DDQDLDAGSL77H4L/bundle.json","state_url":"https://pith.science/pith/7AYHQLSYCX3DDQDLDAGSL77H4L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7AYHQLSYCX3DDQDLDAGSL77H4L/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":"2026-06-30T15:58:05Z","links":{"resolver":"https://pith.science/pith/7AYHQLSYCX3DDQDLDAGSL77H4L","bundle":"https://pith.science/pith/7AYHQLSYCX3DDQDLDAGSL77H4L/bundle.json","state":"https://pith.science/pith/7AYHQLSYCX3DDQDLDAGSL77H4L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7AYHQLSYCX3DDQDLDAGSL77H4L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:7AYHQLSYCX3DDQDLDAGSL77H4L","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":"1305fbd66359e07c44ce051a046ba0353992dc8dd7abd555289a5db25919866d","cross_cats_sorted":["cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-11-08T10:19:40Z","title_canon_sha256":"17b063360acfaf7dfc29c4d13d6ffe9546a2119538c6cce57413545e4a537ef2"},"schema_version":"1.0","source":{"id":"1811.03341","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.03341","created_at":"2026-05-18T00:01:16Z"},{"alias_kind":"arxiv_version","alias_value":"1811.03341v1","created_at":"2026-05-18T00:01:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.03341","created_at":"2026-05-18T00:01:16Z"},{"alias_kind":"pith_short_12","alias_value":"7AYHQLSYCX3D","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"7AYHQLSYCX3DDQDL","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"7AYHQLSY","created_at":"2026-05-18T12:32:11Z"}],"graph_snapshots":[{"event_id":"sha256:b57edcba8929b7b5f90caf3303782556ccf5cfa7d73a59c793c35e4fd3491c05","target":"graph","created_at":"2026-05-18T00:01:16Z","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":"Modern technology has drastically changed the way we interact and consume information. For example, online social platforms allow for seamless communication exchanges at an unprecedented scale. However, we are still bounded by cognitive and temporal constraints. Our attention is limited and extremely valuable. Algorithmic personalisation has become a standard approach to tackle the information overload problem. As result, the exposure to our friends' opinions and our perception about important issues might be distorted. However, the effects of algorithmic gatekeeping on our hyper-connected soc","authors_text":"Luis E C Rocha, Nicola Perra","cross_cats":["cs.SI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-11-08T10:19:40Z","title":"Modelling Opinion Dynamics in the Age of Algorithmic Personalisation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.03341","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":"sha256:83e17768576e4210876a264b91a7d04574a69ba592c9ab965e7edea5d457471e","target":"record","created_at":"2026-05-18T00:01:16Z","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":"1305fbd66359e07c44ce051a046ba0353992dc8dd7abd555289a5db25919866d","cross_cats_sorted":["cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2018-11-08T10:19:40Z","title_canon_sha256":"17b063360acfaf7dfc29c4d13d6ffe9546a2119538c6cce57413545e4a537ef2"},"schema_version":"1.0","source":{"id":"1811.03341","kind":"arxiv","version":1}},"canonical_sha256":"f830782e5815f631c06b180d25ffe7e2e8499d1b795766b5ed7350a2ba3632a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f830782e5815f631c06b180d25ffe7e2e8499d1b795766b5ed7350a2ba3632a2","first_computed_at":"2026-05-18T00:01:16.956756Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:16.956756Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pyrxpT7bAFamq3ZI7VclA7nwVy/iixsfr9tMbs8zd+gmEfmewP/mnP3Kztbya4Ce4T571E2kL/Esfz99XMkUDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:16.957188Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.03341","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:83e17768576e4210876a264b91a7d04574a69ba592c9ab965e7edea5d457471e","sha256:b57edcba8929b7b5f90caf3303782556ccf5cfa7d73a59c793c35e4fd3491c05"],"state_sha256":"670bfec46ca5e699bed2618eb577c0834d05b12a2f7196be6c6ff94d7e769d19"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3vbCpCamDtA6z5+NoiQLfQUeQMgpwGJ3n0LlQ3iQy9BXaWrRvmebA7GXGed+h/8RfQ14zaVsOy7VU+0XTht7Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T15:58:05.126173Z","bundle_sha256":"6b01131a9d1008e3819eaa47b4e90b1f29798a9183e6e990a7ab594a470d059e"}}