{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:WIV3DJ3BLMUBENQRRLUOQBYDSR","short_pith_number":"pith:WIV3DJ3B","canonical_record":{"source":{"id":"1601.08222","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-01-29T19:04:36Z","cross_cats_sorted":[],"title_canon_sha256":"b6dbbca9e821ee5df405ac4bc347ef5899a95aead9a8c99e7696ba8d5707f7f7","abstract_canon_sha256":"b2ee584242d5fcf72f7a30ba5d7855bb2386124ec01d4ec2d59ce025119ffca5"},"schema_version":"1.0"},"canonical_sha256":"b22bb1a7615b281236118ae8e80703947ddd1f0fdac5e64a55726e7c936be1ed","source":{"kind":"arxiv","id":"1601.08222","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.08222","created_at":"2026-05-18T01:12:25Z"},{"alias_kind":"arxiv_version","alias_value":"1601.08222v2","created_at":"2026-05-18T01:12:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.08222","created_at":"2026-05-18T01:12:25Z"},{"alias_kind":"pith_short_12","alias_value":"WIV3DJ3BLMUB","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"WIV3DJ3BLMUBENQR","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"WIV3DJ3B","created_at":"2026-05-18T12:30:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:WIV3DJ3BLMUBENQRRLUOQBYDSR","target":"record","payload":{"canonical_record":{"source":{"id":"1601.08222","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-01-29T19:04:36Z","cross_cats_sorted":[],"title_canon_sha256":"b6dbbca9e821ee5df405ac4bc347ef5899a95aead9a8c99e7696ba8d5707f7f7","abstract_canon_sha256":"b2ee584242d5fcf72f7a30ba5d7855bb2386124ec01d4ec2d59ce025119ffca5"},"schema_version":"1.0"},"canonical_sha256":"b22bb1a7615b281236118ae8e80703947ddd1f0fdac5e64a55726e7c936be1ed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:25.058603Z","signature_b64":"w+sOT/ylGtEx1V37LuVIFrAMIRjy0Ai8qOLARCR1/Trj/VHI2IM/JeqtpMfIX6I5tfaqmBP52/D0U9yvpkk2Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b22bb1a7615b281236118ae8e80703947ddd1f0fdac5e64a55726e7c936be1ed","last_reissued_at":"2026-05-18T01:12:25.058263Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:25.058263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.08222","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":"2026-05-18T01:12:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9sC3Q+y3+TrbasMrA6IAUZq3/VEHSHbsPQle/Uh/2dNoePtupd7DAnlVxkDum2MpEG2a3G0vQ1Wme4iGUuQLDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:52:25.407560Z"},"content_sha256":"c00d6dad5684a5ce7643360da70633b7314fe73e85da93816fff902036ff8c4e","schema_version":"1.0","event_id":"sha256:c00d6dad5684a5ce7643360da70633b7314fe73e85da93816fff902036ff8c4e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:WIV3DJ3BLMUBENQRRLUOQBYDSR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Numerical Simulation of Tidal Evolution of a Viscoelastic Body Modelled with a Mass-Spring Network","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Alice C. Quillen, David Giannella, Julien Frouard, Michael Efroimsky","submitted_at":"2016-01-29T19:04:36Z","abstract_excerpt":"We use a damped mass-spring model within an N-body code to simulate the tidal evolution of the spin and orbit of a self-gravitating viscoelastic spherical body moving around a point-mass perturber. The damped mass-spring model represents a Kelvin-Voigt viscoelastic solid. We measure the tidal quality function (the dynamical Love number $\\,k_2\\,$ divided by the tidal quality factor $\\,Q\\,$) from the numerically computed tidal drift of the semimajor axis of the binary. The shape of $\\,k_2/Q\\,$, as a function of the principal tidal frequency, reproduces the kink shape predicted by Efroimsky (2012"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.08222","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":"2026-05-18T01:12:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xCG8kYnJaGCDtVb5ohMyBf2/dFkFRtZodEcLGPq8vt5wirWBCb5hHAGUAc4lBcTuTKY6QjYryBOKyELe+eIxAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:52:25.407899Z"},"content_sha256":"eae3fe1b2ee5c1cc6bbc89747ff1791726de80679c4e5a6805b716107847831b","schema_version":"1.0","event_id":"sha256:eae3fe1b2ee5c1cc6bbc89747ff1791726de80679c4e5a6805b716107847831b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WIV3DJ3BLMUBENQRRLUOQBYDSR/bundle.json","state_url":"https://pith.science/pith/WIV3DJ3BLMUBENQRRLUOQBYDSR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WIV3DJ3BLMUBENQRRLUOQBYDSR/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":"2026-05-28T00:52:25Z","links":{"resolver":"https://pith.science/pith/WIV3DJ3BLMUBENQRRLUOQBYDSR","bundle":"https://pith.science/pith/WIV3DJ3BLMUBENQRRLUOQBYDSR/bundle.json","state":"https://pith.science/pith/WIV3DJ3BLMUBENQRRLUOQBYDSR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WIV3DJ3BLMUBENQRRLUOQBYDSR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:WIV3DJ3BLMUBENQRRLUOQBYDSR","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":"b2ee584242d5fcf72f7a30ba5d7855bb2386124ec01d4ec2d59ce025119ffca5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-01-29T19:04:36Z","title_canon_sha256":"b6dbbca9e821ee5df405ac4bc347ef5899a95aead9a8c99e7696ba8d5707f7f7"},"schema_version":"1.0","source":{"id":"1601.08222","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.08222","created_at":"2026-05-18T01:12:25Z"},{"alias_kind":"arxiv_version","alias_value":"1601.08222v2","created_at":"2026-05-18T01:12:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.08222","created_at":"2026-05-18T01:12:25Z"},{"alias_kind":"pith_short_12","alias_value":"WIV3DJ3BLMUB","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"WIV3DJ3BLMUBENQR","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"WIV3DJ3B","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:eae3fe1b2ee5c1cc6bbc89747ff1791726de80679c4e5a6805b716107847831b","target":"graph","created_at":"2026-05-18T01:12:25Z","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 use a damped mass-spring model within an N-body code to simulate the tidal evolution of the spin and orbit of a self-gravitating viscoelastic spherical body moving around a point-mass perturber. The damped mass-spring model represents a Kelvin-Voigt viscoelastic solid. We measure the tidal quality function (the dynamical Love number $\\,k_2\\,$ divided by the tidal quality factor $\\,Q\\,$) from the numerically computed tidal drift of the semimajor axis of the binary. The shape of $\\,k_2/Q\\,$, as a function of the principal tidal frequency, reproduces the kink shape predicted by Efroimsky (2012","authors_text":"Alice C. Quillen, David Giannella, Julien Frouard, Michael Efroimsky","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-01-29T19:04:36Z","title":"Numerical Simulation of Tidal Evolution of a Viscoelastic Body Modelled with a Mass-Spring Network"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.08222","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:c00d6dad5684a5ce7643360da70633b7314fe73e85da93816fff902036ff8c4e","target":"record","created_at":"2026-05-18T01:12:25Z","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":"b2ee584242d5fcf72f7a30ba5d7855bb2386124ec01d4ec2d59ce025119ffca5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-01-29T19:04:36Z","title_canon_sha256":"b6dbbca9e821ee5df405ac4bc347ef5899a95aead9a8c99e7696ba8d5707f7f7"},"schema_version":"1.0","source":{"id":"1601.08222","kind":"arxiv","version":2}},"canonical_sha256":"b22bb1a7615b281236118ae8e80703947ddd1f0fdac5e64a55726e7c936be1ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b22bb1a7615b281236118ae8e80703947ddd1f0fdac5e64a55726e7c936be1ed","first_computed_at":"2026-05-18T01:12:25.058263Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:25.058263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"w+sOT/ylGtEx1V37LuVIFrAMIRjy0Ai8qOLARCR1/Trj/VHI2IM/JeqtpMfIX6I5tfaqmBP52/D0U9yvpkk2Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:25.058603Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.08222","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c00d6dad5684a5ce7643360da70633b7314fe73e85da93816fff902036ff8c4e","sha256:eae3fe1b2ee5c1cc6bbc89747ff1791726de80679c4e5a6805b716107847831b"],"state_sha256":"e1b21b49a9cba8bcd1dc45a98d4324f84c16fbde77c462c3cf376366967c421e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lgBcvgeItiGVvs6B/TGI6zeXlelM118zwJSAxt/0TAkKhL1+mDgCbyW+OvpcxBHxx5StJlRWmO19CwMpaDX7Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T00:52:25.409903Z","bundle_sha256":"c4c133dae27d7d3914c42a98f524bdf5bf98ce1d0b240da26e7cd327350aa677"}}