{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:PBBVZP4WENKHF5FVTLIY2JOPGM","short_pith_number":"pith:PBBVZP4W","canonical_record":{"source":{"id":"1302.3892","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2013-02-15T21:22:10Z","cross_cats_sorted":["cond-mat.dis-nn","cs.CL","q-bio.PE"],"title_canon_sha256":"5432464378e350885e4bd5dc16893c3c6cff4091b02550af72b63d8c7e4dd1bb","abstract_canon_sha256":"363b16c1a67d05914e841906e50c17aeffc102b5bbf7230e20220589cd3144b2"},"schema_version":"1.0"},"canonical_sha256":"78435cbf96235472f4b59ad18d25cf3311fc30c9db93e74789dfb2b1d9654654","source":{"kind":"arxiv","id":"1302.3892","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.3892","created_at":"2026-05-18T03:28:45Z"},{"alias_kind":"arxiv_version","alias_value":"1302.3892v1","created_at":"2026-05-18T03:28:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.3892","created_at":"2026-05-18T03:28:45Z"},{"alias_kind":"pith_short_12","alias_value":"PBBVZP4WENKH","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"PBBVZP4WENKHF5FV","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"PBBVZP4W","created_at":"2026-05-18T12:27:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:PBBVZP4WENKHF5FVTLIY2JOPGM","target":"record","payload":{"canonical_record":{"source":{"id":"1302.3892","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2013-02-15T21:22:10Z","cross_cats_sorted":["cond-mat.dis-nn","cs.CL","q-bio.PE"],"title_canon_sha256":"5432464378e350885e4bd5dc16893c3c6cff4091b02550af72b63d8c7e4dd1bb","abstract_canon_sha256":"363b16c1a67d05914e841906e50c17aeffc102b5bbf7230e20220589cd3144b2"},"schema_version":"1.0"},"canonical_sha256":"78435cbf96235472f4b59ad18d25cf3311fc30c9db93e74789dfb2b1d9654654","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:28:45.416685Z","signature_b64":"+4QJeFSMFaqCwugvuJ0r4TluUvha2F+tzjirWgQJQiQ+uiVJtnYR9Hq/S7LdO9AkzDkz+C6MJI0XndRN3WMWCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78435cbf96235472f4b59ad18d25cf3311fc30c9db93e74789dfb2b1d9654654","last_reissued_at":"2026-05-18T03:28:45.415884Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:28:45.415884Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.3892","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":"2026-05-18T03:28:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6RcbVA/GpdT9m8kuxjTuHkDBJhaiVq88FfmS/Uj1DFxXnQXIuOw6Ry4Z+5BH5RjYAn0fJK/rtamDEF8h6jqPBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T09:45:08.973739Z"},"content_sha256":"5cb7541c98aa4769e2069263e55bc66ec675e9a5a2e8ae9fce3f3a8aed3bca98","schema_version":"1.0","event_id":"sha256:5cb7541c98aa4769e2069263e55bc66ec675e9a5a2e8ae9fce3f3a8aed3bca98"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:PBBVZP4WENKHF5FVTLIY2JOPGM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Identifying trends in word frequency dynamics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn","cs.CL","q-bio.PE"],"primary_cat":"physics.soc-ph","authors_text":"Adilson E. Motter, Eduardo G. Altmann, Zakary L. Whichard","submitted_at":"2013-02-15T21:22:10Z","abstract_excerpt":"The word-stock of a language is a complex dynamical system in which words can be created, evolve, and become extinct. Even more dynamic are the short-term fluctuations in word usage by individuals in a population. Building on the recent demonstration that word niche is a strong determinant of future rise or fall in word frequency, here we introduce a model that allows us to distinguish persistent from temporary increases in frequency. Our model is illustrated using a 10^8-word database from an online discussion group and a 10^11-word collection of digitized books. The model reveals a strong re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.3892","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":"2026-05-18T03:28:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8z5tG0hnLAkvVm83bYCVon5qgdR79nNIoy9+2dAbCNKyADl+fGnQ57jvVxfjLQamC863mDR7LmwhKNkwaMjvDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T09:45:08.974092Z"},"content_sha256":"430e3f194f234ff0c4bda9ba6b10996e3c3f102e35b0deee52b4c075805bcdf5","schema_version":"1.0","event_id":"sha256:430e3f194f234ff0c4bda9ba6b10996e3c3f102e35b0deee52b4c075805bcdf5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PBBVZP4WENKHF5FVTLIY2JOPGM/bundle.json","state_url":"https://pith.science/pith/PBBVZP4WENKHF5FVTLIY2JOPGM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PBBVZP4WENKHF5FVTLIY2JOPGM/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":"2026-06-02T09:45:08Z","links":{"resolver":"https://pith.science/pith/PBBVZP4WENKHF5FVTLIY2JOPGM","bundle":"https://pith.science/pith/PBBVZP4WENKHF5FVTLIY2JOPGM/bundle.json","state":"https://pith.science/pith/PBBVZP4WENKHF5FVTLIY2JOPGM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PBBVZP4WENKHF5FVTLIY2JOPGM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:PBBVZP4WENKHF5FVTLIY2JOPGM","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":"363b16c1a67d05914e841906e50c17aeffc102b5bbf7230e20220589cd3144b2","cross_cats_sorted":["cond-mat.dis-nn","cs.CL","q-bio.PE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2013-02-15T21:22:10Z","title_canon_sha256":"5432464378e350885e4bd5dc16893c3c6cff4091b02550af72b63d8c7e4dd1bb"},"schema_version":"1.0","source":{"id":"1302.3892","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.3892","created_at":"2026-05-18T03:28:45Z"},{"alias_kind":"arxiv_version","alias_value":"1302.3892v1","created_at":"2026-05-18T03:28:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.3892","created_at":"2026-05-18T03:28:45Z"},{"alias_kind":"pith_short_12","alias_value":"PBBVZP4WENKH","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"PBBVZP4WENKHF5FV","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"PBBVZP4W","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:430e3f194f234ff0c4bda9ba6b10996e3c3f102e35b0deee52b4c075805bcdf5","target":"graph","created_at":"2026-05-18T03:28:45Z","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 word-stock of a language is a complex dynamical system in which words can be created, evolve, and become extinct. Even more dynamic are the short-term fluctuations in word usage by individuals in a population. Building on the recent demonstration that word niche is a strong determinant of future rise or fall in word frequency, here we introduce a model that allows us to distinguish persistent from temporary increases in frequency. Our model is illustrated using a 10^8-word database from an online discussion group and a 10^11-word collection of digitized books. The model reveals a strong re","authors_text":"Adilson E. Motter, Eduardo G. Altmann, Zakary L. Whichard","cross_cats":["cond-mat.dis-nn","cs.CL","q-bio.PE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2013-02-15T21:22:10Z","title":"Identifying trends in word frequency dynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.3892","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":"sha256:5cb7541c98aa4769e2069263e55bc66ec675e9a5a2e8ae9fce3f3a8aed3bca98","target":"record","created_at":"2026-05-18T03:28:45Z","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":"363b16c1a67d05914e841906e50c17aeffc102b5bbf7230e20220589cd3144b2","cross_cats_sorted":["cond-mat.dis-nn","cs.CL","q-bio.PE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2013-02-15T21:22:10Z","title_canon_sha256":"5432464378e350885e4bd5dc16893c3c6cff4091b02550af72b63d8c7e4dd1bb"},"schema_version":"1.0","source":{"id":"1302.3892","kind":"arxiv","version":1}},"canonical_sha256":"78435cbf96235472f4b59ad18d25cf3311fc30c9db93e74789dfb2b1d9654654","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"78435cbf96235472f4b59ad18d25cf3311fc30c9db93e74789dfb2b1d9654654","first_computed_at":"2026-05-18T03:28:45.415884Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:28:45.415884Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+4QJeFSMFaqCwugvuJ0r4TluUvha2F+tzjirWgQJQiQ+uiVJtnYR9Hq/S7LdO9AkzDkz+C6MJI0XndRN3WMWCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:28:45.416685Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.3892","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5cb7541c98aa4769e2069263e55bc66ec675e9a5a2e8ae9fce3f3a8aed3bca98","sha256:430e3f194f234ff0c4bda9ba6b10996e3c3f102e35b0deee52b4c075805bcdf5"],"state_sha256":"e8094d0d3e019f6d3d9e49b88ffd2e22267db954094e5d7fdb3595bcdddf2255"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j7pWlxYB58Sw4YBGF1svlxLYLns1tDz49wHp51i6JPnuHmUbhxY7moEbhq63fZGvdXwdR9zIpr2vfn5rAGLSBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T09:45:08.976097Z","bundle_sha256":"20fb62a4e2adf87242fe3813221f5a9e57232574c60a92653c8a5b039cd69edf"}}